Search NASA⌕ Search

SEARCH · Search NASA

Results for “Os(OF)2”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 19 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2022

Terahertz nano-imaging of metal-insulator transition in Cd 2 Os 2 O 7

The osmate pyrochlore Cd 2 Os 2 O 7 supports an antiferromagnet insulator ground state with an all-in/all-out (AIAO) spin ordering at low temperature. Above 225 K, Cd 2 Os 2 O 7 becomes a paramagnetic metal whereas the mechanism of this metal-to-insulator transition (MIT) remains elusive. In this letter, we use cryogenic near-field technique operating at terahertz frequencies to study the evolution of low-energy response across the MIT. We observed a systematic variation of the magnitude of nano-THz signal across the transition, consistent with the trend in the direct-current conductivity. Conducting domain walls that dominate the nano-scale landscape of the conductivity of a closely related AIAO system Nd 2 Ir 2 O 7 are not apparent in Cd 2 Os 2 O 7

36 MATERIALS SCIENCE↗
DOE OSTI2020

Spin and orbital excitations through the metal-to-insulator transition in Cd 2 Os 2 O 7 probed with high-resolution resonant inelastic x-ray scattering

Here, high-resolution resonant inelastic x-ray scattering measurements (ΔE=46meV) have been performed on Cd 2 Os 2 O 7 through the metal-to-insulator transition (MIT). A magnetic excitation at 125 meV evolves continuously through the MIT, in agreement with recent Raman-scattering results, and provides further confirmation for an all-in all-out magnetic ground state. Asymmetry of this feature is likely a result of coupling between the electronic and the magnetic degrees of freedom. We also observe a broad continuum of interband excitations centered at 0.3 eV energy loss. This is indicative of significant hybridization between Os 5d and O 2p states and the concurrent itinerant nature of the system. In turn, this suggests a possible breakdown of the free-ion model for Cd 2 Os 2 O 7 .

75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND↗
DOE OSTI2024

Local site behavior of the 5$d$ and 4$f$ ions in the frustrated pyrochlore Ho 2 Os 2 O 7

The pyrochlore osmate Ho 2 Os 2 O 7 is a candidate material for a fragile J=0 local singlet ground state, however little is known regarding the single-ion behavior of either the Os or Ho ions. To address this we present polarized neutron powder diffraction (PNPD) and resonant inelastic x-ray scattering (RIXS) measurements that separately probe the local site behavior of the Os and Ho ions. The PNPD results are dominated by Ho 3+ scattering and the analysis reveals local site susceptibility behavior consistent with spin ice materials. Complimentary unpolarized neutron powder diffraction show an ordered spin ice ground state in an applied magnetic field. To isolate the Os 4+ single-ion behavior we present resonant inelastic x-ray scattering (RIXS) measurements at the osmium L-edge. Analysis of the RIXS spectra parameterize the spin-orbit coupling (0.35 eV), Hund’s coupling (0.27 eV) and trigonal distortion (-0.17 eV). Here, the results are considered within the context of a J=0 model and possible departures from this through structural distortions, excitonic interactions and 5d-4f interactions between the Os ion and the surrounding Ho lattice. The experimental methodology employed highlights the complimentary information available in rare earth based 5d pyrochlores from distinct neutron and x-ray scattering techniques that allow for the isolation and determination of the behavior of the different ions.

75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND↗
DOE OSTI2021

First-principles studies of the unconventional spin-phonon coupling mediated by spin-orbit coupling in pyrochlore Cd 2 Os 2 O 7

Here, we perform systematic first-principles calculations to investigate the spin-phonon coupling (SPC) mediated by spin-orbit coupling in pyrochlore Cd 2 Os 2 O 7 which has the peculiar all-in-all-out noncollinear magnetic ground state. A large SPC coefficient up to 34 cm –1 is found, showing the potential of using this material in thermal spin devices.We further split the SPC coefficients to contributions from symmetric exchange interaction, Dzyaloshinskii-Moriya interaction (DMI), and the single ion anisotropy. Unlike what was assumed in previous studies, the DMI contributions are rather important for most modes. These results provide insights for the understanding of the SPC in 5d transition metal oxides and useful guidance for the search of excellent spin caloritronic materials.

75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND↗
DOE OSTI2021

A continuous metal-insulator transition driven by spin correlations

While Mott insulators induced by Coulomb interactions are a well-recognized class of metal-insulator transitions, insulators purely driven by spin correlations are much less common, as the reduced energy scale often invites competition from other degrees of freedom. Here, we demonstrate a clean example of a spin-correlation-driven metal-insulator transition in the all-in-all-out pyrochlore antiferromagnet Cd 2 Os 2 O 7 , where the lattice symmetry is preserved by the antiferromagnetism. After the antisymmetric linear magnetoresistance from conductive, ferromagnetic domain walls is removed experimentally, the bulk Hall coefficient reveals four Fermi surfaces of both electron and hole types, sequentially departing the Fermi level with decreasing temperature below the Néel temperature, T N = 227 K. In Cd 2 Os 2 O 7 , the charge gap of a continuous metal-insulator transition opens only at T ~ 10 K << T N . The insulating mechanism parallels the Slater picture, but without a folded Brillouin zone, and contrasts sharply with Mott insulators and spin density waves, where the electronic gap opens above and at T N , respectively.

36 MATERIALS SCIENCE↗
DOE OSTI2022

Heat capacity of URu 2 - x Os x Si 2 at low temperatures

Here we perform measurements of the heat capacity as a function of temperature on URu 2-x Os x Si 2 alloys. Our experimental results show that the critical temperature of the second-order phase transition increases while the value of the Sommerfeld coefficient in the ordered state decreases with an increase in osmium concentration. We also observe an increase in the values of the heat capacity at the critical temperature as well as a broadening of the critical fluctuation region with an increase in x. We analyze the experimental data using the Haule-Kotliar model which, in particular, identifies the “hidden order” transition in the parent material UR u2 Si 2 as a transition to a state with a nonzero hexadecapole moment. We demonstrate that our experimental results are consistent with the predictions of that model.

36 MATERIALS SCIENCE↗
DOE OSTI2020

High-Pressure Synthesis of Metal–Inorganic Frameworks Hf 4 N 20 •N 2 , WN 8 •N 2 , and Os 5 N 28 •3N 2 with Polymeric Nitrogen Linkers

Polynitrides are intrinsically thermodynamically unstable at ambient conditions and require peculiar synthetic approaches. Now, a one-step synthesis of metal–inorganic frameworks Hf 4 N 20 •N 2 , WN 8 •N 2 , and Os 5 N 28 •3N 2 via direct reactions between elements in a diamond anvil cell at pressures exceeding 100 GPa is reported. The porous frameworks (Hf 4 N 20 , WN 8 , and Os 5 N 28 ) are built from transition-metal atoms linked either by polymeric polydiazenediyl (polyacetylene-like) nitrogen chains or through dinitrogen units. Triply bound dinitrogen molecules occupy channels of these frameworks. Owing to conjugated polydiazenediyl chains, these compounds exhibit metallic properties. The high-pressure reaction between Hf and N 2 also leads to a non-centrosymmetric polynitride Hf 2 N 11 that features double-helix catena-poly[tetraz-1-ene-1,4-diyl] nitrogen chains [–N–N–N=N–] ∞ .

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
DOE OSTI2020

High-Pressure Synthesis of Metal–Inorganic Frameworks Hf 4 N 20 &centerdot;N 2 , WN 8 &centerdot;N 2 , and Os 5 N 28 &centerdot;3 N 2 with Polymeric Nitrogen Linkers

Polynitrides are intrinsically thermodynamically unstable at ambient conditions and require peculiar synthetic approaches. Now, a one-step synthesis of metal–inorganic frameworks Hf 4 N 20 &centerdot;N 2 , WN 8 &centerdot;N 2 , and Os 5 N 28 &centerdot;3 N 2 via direct reactions between elements in a diamond anvil cell at pressures exceeding 100 GPa is reported. The porous frameworks (Hf 4 N 20 , WN 8 , and Os 5 N 28 ) are built from transition-metal atoms linked either by polymeric polydiazenediyl (polyacetylene-like) nitrogen chains or through dinitrogen units. Triply bound dinitrogen molecules occupy channels of these frameworks. Owing to conjugated polydiazenediyl chains, these compounds exhibit metallic properties. The high-pressure reaction between Hf and N 2 also leads to a non-centrosymmetric polynitride Hf 2 N 11 that features double-helix catena-poly[tetraz-1-ene-1,4-diyl] nitrogen chains [–N–N–N=N–] ∞ .

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
DOE OSTI2020

Materials Data on Os(OF2)2 by Materials Project

Os(OF2)2 crystallizes in the hexagonal P6_1 space group. The structure is zero-dimensional and consists of six Os(OF2)2 clusters. Os8+ is bonded in an octahedral geometry to two O2- and four F1- atoms. There is one shorter (1.71 Å) and one longer (1.72 Å) Os–O bond length. There are a spread of Os–F bond distances ranging from 1.89–1.93 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Os8+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Os8+ atom. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Os8+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Os8+ atom. In the third F1- site, F1- is bonded in a distorted single-bond geometry to one Os8+ atom. In the fourth F1- site, F1- is bonded in a distorted single-bond geometry to one Os8+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Os(OF)2 by Materials Project

Os(OF)2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one Os(OF)2 cluster. Os6+ is bonded in a T-shaped geometry to one O2- and two F1- atoms. The Os–O bond length is 1.85 Å. There is one shorter (1.87 Å) and one longer (1.88 Å) Os–F bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Os6+ and one O2- atom. The O–O bond length is 1.33 Å. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one O2- and one F1- atom. The O–F bond length is 2.72 Å. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted single-bond geometry to one Os6+ and one O2- atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Os6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Os10C23S2O23 by Materials Project

Os(CO)2(OsC3O2)2(Os(CO)3)2Os5C9S2O11 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of two Os(CO)2 clusters, four Os(CO)3 clusters, two Os5C9S2O11 clusters, and four OsC3O2 clusters. In each Os(CO)2 cluster, Os+1.80- is bonded in an L-shaped geometry to two C+2.96+ atoms. Both Os–C bond lengths are 1.92 Å. There are two inequivalent C+2.96+ sites. In the first C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the second C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In each Os(CO)3 cluster, Os+1.80- is bonded in a 3-coordinate geometry to three C+2.96+ atoms. There are a spread of Os–C bond distances ranging from 1.89–1.91 Å. There are three inequivalent C+2.96+ sites. In the first C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the second C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the third C+2.96+ site, C+2.96+ is bonded in a linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In each Os5C9S2O11 cluster, there are five inequivalent Os+1.80- sites. In the first Os+1.80- site, Os+1.80- is bonded in a 3-coordinate geometry to two C+2.96+ and one S2- atom. There is one shorter (1.90 Å) and one longer (1.91 Å) Os–C bond length. The Os–S bond length is 2.38 Å. In the second Os+1.80- site, Os+1.80- is bonded in a distorted T-shaped geometry to one C+2.96+ and two S2- atoms. The Os–C bond length is 1.91 Å. Both Os–S bond lengths are 2.30 Å. In the third Os+1.80- site, Os+1.80- is bonded in a 3-coordinate geometry to two C+2.96+ and one S2- atom. There is one shorter (1.89 Å) and one longer (1.90 Å) Os–C bond length. The Os–S bond length is 2.46 Å. In the fourth Os+1.80- site, Os+1.80- is bonded in a 3-coordinate geometry to two C+2.96+ and one S2- atom. There is one shorter (1.89 Å) and one longer (1.90 Å) Os–C bond length. The Os–S bond length is 2.46 Å. In the fifth Os+1.80- site, Os+1.80- is bonded in a 3-coordinate geometry to two C+2.96+ and one S2- atom. There is one shorter (1.90 Å) and one longer (1.91 Å) Os–C bond length. The Os–S bond length is 2.38 Å. There are nine inequivalent C+2.96+ sites. In the first C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.17 Å. In the second C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.17 Å. In the third C+2.96+ site, C+2.96+ is bonded in a linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the fourth C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the fifth C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.17 Å. In the sixth C+2.96+ site, C+2.96+ is bonded in a linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.17 Å. In the seventh C+2.96+ site, C+2.96+ is bonded in a linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the eighth C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.17 Å. In the ninth C+2.96+ site, C+2.96+ is bonded in a linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted single-bond geometry to three Os+1.80- and one O2- atom. The S–O bond length is 1.47 Å. In the second S2- site, S2- is bonded in a distorted single-bond geometry to three Os+1.80- and one O2- atom. The S–O bond length is 1.47 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one S2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. The O–C bond length is 1.16 Å. In the tenth O2- site, O2- is bonded in a single-bond geometry to one S2- atom. In each OsC3O2 cluster, Os+1.80- is bonded in a 4-coordinate geometry to three C+2.96+ atoms. There is one shorter (1.76 Å) and two longer (1.93 Å) Os–C bond length. There are three inequivalent C+2.96+ sites. In the first C+2.96+ site, C+2.96+ is bonded in a distorted linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the second C+2.96+ site, C+2.96+ is bonded in a linear geometry to one Os+1.80- and one O2- atom. The C–O bond length is 1.16 Å. In the third C+2.96+ site, C+2.96+ is bonded in a single-bond geometry to one Os+1.80- atom. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+2.96+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Os(OF2)2 by Materials Project

Os(OF2)2 is Protactinium-like structured and crystallizes in the hexagonal P6_1 space group. The structure is zero-dimensional and consists of six Os(OF2)2 clusters. Os8+ is bonded in an octahedral geometry to two O2- and four F1- atoms. There is one shorter (1.71 Å) and one longer (1.72 Å) Os–O bond length. There is two shorter (1.88 Å) and two longer (1.94 Å) Os–F bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Os8+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Os8+ atom. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Os8+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Os8+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Os8+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one Os8+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Os(SeCl6)2 by Materials Project

Os(SeCl6)2 crystallizes in the orthorhombic Fdd2 space group. The structure is three-dimensional. Os8+ is bonded in an octahedral geometry to six Cl1- atoms. There are a spread of Os–Cl bond distances ranging from 2.33–2.36 Å. Se2+ is bonded in a 6-coordinate geometry to six Cl1- atoms. There are a spread of Se–Cl bond distances ranging from 2.20–3.00 Å. There are six inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Se2+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Se2+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one Os8+ and one Se2+ atom. In the fourth Cl1- site, Cl1- is bonded in a distorted water-like geometry to one Os8+ and one Se2+ atom. In the fifth Cl1- site, Cl1- is bonded in a single-bond geometry to one Se2+ atom. In the sixth Cl1- site, Cl1- is bonded in a distorted water-like geometry to one Os8+ and one Se2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2022

Hydrogen Atom Abstraction from an Os II (NH 3 ) 2 Complex Generates an Os IV (NH 2 ) 2 Complex: Experimental and Computational Analysis of the N–H Bond Dissociation Free Energies and Reactivity

We report double hydrogen atom abstraction from (TMP)Os II (NH 3 ) 2 (TMP = tetramesitylporphyrin) with phenoxyl or nitroxyl radicals leads to (TMP)Os IV (NH 2 ) 2 . This unusual bis(amide) complex is diamagnetic and displays an N-H resonance at 12.0 ppm in its 1 H NMR spectrum. 1 H- 15 N correlation experiments identified a 15 N NMR spectroscopic resonance at –267 ppm. Experimental reactivity studies and density functional theory calculations support relatively weak N-H bonds of 73.3 kcal/mol for (TMP)Os II (NH 3 ) 2 and 74.2 kcal/mol for (TMP)Os III (NH 3 )(NH 2 ). Cyclic voltammetry experiments provide an estimate of the pK a of [(TMP)Os III (NH 3 ) 2 ] + . In the presence of Barton’s base, a current enhancement is observed at the Os(III/II) couple, consistent with an ECE event. Spectroscopic experiments confirmed (TMP)Os IV (NH 2 ) 2 as the product of bulk electrolysis. Double hydrogen atom abstraction is influenced by π donation from the amides of (TMP)Os IV (NH 2 ) 2 into the d orbitals of the Os center, favoring the formation of (TMP)Os IV (NH 2 ) 2 over N-N coupling. This π donation leads to a Jahn-Teller distortion that splits the energy levels of the d xz and d yz orbitals of Os, results in a low spin electron configuration, and leads to minimal aminyl character on the N atoms, rendering (TMP)Os IV (NH 2 ) 2 unreactive towards amide-amide coupling.

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
DOE OSTI2020

Materials Data on Os(OF)2 by Materials Project

OsF4(OsO3F)2Os(OF)2 is Iron carbide-derived structured and crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of two tetrafluoroosmium molecules, two Os(OF)2 clusters, and four OsO3F clusters. In each Os(OF)2 cluster, Os6+ is bonded in a tetrahedral geometry to two O2- and two F1- atoms. Both Os–O bond lengths are 1.70 Å. Both Os–F bond lengths are 1.90 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Os6+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Os6+ atom. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Os6+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Os6+ atom. In each OsO3F cluster, Os6+ is bonded in a tetrahedral geometry to three O2- and one F1- atom. There are a spread of Os–O bond distances ranging from 1.72–1.75 Å. The Os–F bond length is 1.88 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Os6+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Os6+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Os6+ atom. F1- is bonded in a single-bond geometry to one Os6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Os(SeBr6)2 by Materials Project

OsSe2Br12 crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of two OsSe2Br12 clusters. Os8+ is bonded to six Br1- atoms to form OsBr6 octahedra that share faces with two equivalent SeBr6 octahedra. All Os–Br bond lengths are 2.50 Å. Se2+ is bonded to six Br1- atoms to form distorted SeBr6 octahedra that share a faceface with one OsBr6 octahedra. There are a spread of Se–Br bond distances ranging from 2.41–2.98 Å. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted L-shaped geometry to one Os8+ and one Se2+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Se2+ atom. In the third Br1- site, Br1- is bonded in a distorted L-shaped geometry to one Os8+ and one Se2+ atom. In the fourth Br1- site, Br1- is bonded in a single-bond geometry to one Se2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Os(NCl3)2 by Materials Project

OsCl6N2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. The structure is zero-dimensional and consists of eight ammonia molecules and four hexachloroosmium molecules.

36 MATERIALS SCIENCE↗