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DOE OSTI2020

Materials Data on K3Mn2F7 by Materials Project

K3Mn2F7 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are a spread of K–F bond distances ranging from 2.61–3.02 Å. In the second K1+ site, K1+ is bonded to twelve F1- atoms to form KF12 cuboctahedra that share corners with four equivalent KF12 cuboctahedra, faces with four equivalent KF12 cuboctahedra, and faces with eight equivalent MnF6 octahedra. There are eight shorter (3.00 Å) and four longer (3.01 Å) K–F bond lengths. Mn2+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with five equivalent MnF6 octahedra and faces with four equivalent KF12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Mn–F bond distances ranging from 2.12–2.15 Å. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted linear geometry to four equivalent K1+ and two equivalent Mn2+ atoms. In the second F1- site, F1- is bonded in a distorted linear geometry to four K1+ and two equivalent Mn2+ atoms. In the third F1- site, F1- is bonded to five equivalent K1+ and one Mn2+ atom to form a mixture of distorted edge and corner-sharing FK5Mn octahedra. The corner-sharing octahedral tilt angles are 8°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KMnF3 by Materials Project

KMnF3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. K1+ is bonded to twelve equivalent F1- atoms to form KF12 cuboctahedra that share corners with twelve equivalent KF12 cuboctahedra, faces with six equivalent KF12 cuboctahedra, and faces with eight equivalent MnF6 octahedra. All K–F bond lengths are 3.01 Å. Mn2+ is bonded to six equivalent F1- atoms to form MnF6 octahedra that share corners with six equivalent MnF6 octahedra and faces with eight equivalent KF12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Mn–F bond lengths are 2.13 Å. F1- is bonded in a distorted linear geometry to four equivalent K1+ and two equivalent Mn2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KMnF3 by Materials Project

KMnF3 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. K1+ is bonded to twelve F1- atoms to form distorted KF12 cuboctahedra that share corners with twelve equivalent KF12 cuboctahedra, faces with six equivalent KF12 cuboctahedra, and faces with eight equivalent MnF6 octahedra. There are a spread of K–F bond distances ranging from 2.81–3.23 Å. Mn2+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with six equivalent MnF6 octahedra and faces with eight equivalent KF12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–16°. All Mn–F bond lengths are 2.14 Å. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted linear geometry to four equivalent K1+ and two equivalent Mn2+ atoms. In the second F1- site, F1- is bonded in a 2-coordinate geometry to four equivalent K1+ and two equivalent Mn2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K2MnF6 by Materials Project

K2MnF6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. K1+ is bonded to twelve equivalent F1- atoms to form KF12 cuboctahedra that share corners with twelve equivalent KF12 cuboctahedra, faces with six equivalent KF12 cuboctahedra, and faces with four equivalent MnF6 octahedra. All K–F bond lengths are 2.97 Å. Mn4+ is bonded to six equivalent F1- atoms to form MnF6 octahedra that share faces with eight equivalent KF12 cuboctahedra. All Mn–F bond lengths are 1.85 Å. F1- is bonded in a single-bond geometry to four equivalent K1+ and one Mn4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KMnF3 by Materials Project

KMnF3 is Orthorhombic Perovskite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. K1+ is bonded to twelve F1- atoms to form distorted KF12 cuboctahedra that share corners with twelve equivalent KF12 cuboctahedra, faces with six equivalent KF12 cuboctahedra, and faces with eight equivalent MnF6 octahedra. There are a spread of K–F bond distances ranging from 2.76–3.27 Å. Mn2+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with six equivalent MnF6 octahedra and faces with eight equivalent KF12 cuboctahedra. The corner-sharing octahedra tilt angles range from 13–14°. All Mn–F bond lengths are 2.14 Å. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a 2-coordinate geometry to four equivalent K1+ and two equivalent Mn2+ atoms. In the second F1- site, F1- is bonded in a 2-coordinate geometry to four equivalent K1+ and two equivalent Mn2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KMnF4 by Materials Project

KMnF4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. K1+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are a spread of K–F bond distances ranging from 2.72–3.09 Å. There are two inequivalent Mn3+ sites. In the first Mn3+ site, Mn3+ is bonded to six F1- atoms to form corner-sharing MnF6 octahedra. The corner-sharing octahedra tilt angles range from 33–38°. There are a spread of Mn–F bond distances ranging from 1.85–2.23 Å. In the second Mn3+ site, Mn3+ is bonded to six F1- atoms to form corner-sharing MnF6 octahedra. The corner-sharing octahedra tilt angles range from 33–38°. There are a spread of Mn–F bond distances ranging from 1.86–2.19 Å. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted single-bond geometry to three equivalent K1+ and one Mn3+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to three equivalent K1+ and one Mn3+ atom. In the third F1- site, F1- is bonded in a 2-coordinate geometry to two equivalent K1+ and two Mn3+ atoms. In the fourth F1- site, F1- is bonded in a 2-coordinate geometry to one K1+ and two Mn3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K2MnF6 by Materials Project

K2MnF6 crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to twelve F1- atoms to form KF12 cuboctahedra that share corners with six equivalent KF12 cuboctahedra, corners with three equivalent MnF6 octahedra, faces with eight KF12 cuboctahedra, and faces with three equivalent MnF6 octahedra. The corner-sharing octahedral tilt angles are 17°. There are a spread of K–F bond distances ranging from 2.90–3.12 Å. In the second K1+ site, K1+ is bonded to twelve F1- atoms to form KF12 cuboctahedra that share corners with twelve equivalent KF12 cuboctahedra, faces with six equivalent KF12 cuboctahedra, and faces with four equivalent MnF6 octahedra. There are a spread of K–F bond distances ranging from 2.88–2.99 Å. Mn4+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with three equivalent KF12 cuboctahedra and faces with seven KF12 cuboctahedra. All Mn–F bond lengths are 1.85 Å. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted single-bond geometry to four K1+ and one Mn4+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to four K1+ and one Mn4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K4Mn3F12 by Materials Project

K4Mn3F12 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. K1+ is bonded to twelve F1- atoms to form distorted KF12 cuboctahedra that share corners with twelve equivalent KF12 cuboctahedra, faces with six equivalent KF12 cuboctahedra, and faces with six MnF6 octahedra. There are a spread of K–F bond distances ranging from 2.86–3.19 Å. There are two inequivalent Mn+2.67+ sites. In the first Mn+2.67+ site, Mn+2.67+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with six equivalent MnF6 octahedra and faces with eight equivalent KF12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are four shorter (2.11 Å) and two longer (2.13 Å) Mn–F bond lengths. In the second Mn+2.67+ site, Mn+2.67+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with three equivalent MnF6 octahedra and faces with eight equivalent KF12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Mn–F bond distances ranging from 1.87–2.15 Å. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a linear geometry to four equivalent K1+ and two Mn+2.67+ atoms. In the second F1- site, F1- is bonded in a distorted single-bond geometry to four equivalent K1+ and one Mn+2.67+ atom. In the third F1- site, F1- is bonded in a distorted linear geometry to four equivalent K1+ and two Mn+2.67+ atoms. In the fourth F1- site, F1- is bonded in a distorted single-bond geometry to four equivalent K1+ and one Mn+2.67+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KMnF3 by Materials Project

KMnF3 is (Cubic) Perovskite-like structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to twelve F1- atoms to form KF12 cuboctahedra that share corners with twelve KF12 cuboctahedra, faces with six KF12 cuboctahedra, and faces with eight MnF6 octahedra. There are a spread of K–F bond distances ranging from 2.92–3.14 Å. In the second K1+ site, K1+ is bonded to twelve F1- atoms to form KF12 cuboctahedra that share corners with twelve KF12 cuboctahedra, faces with six KF12 cuboctahedra, and faces with eight MnF6 octahedra. There are a spread of K–F bond distances ranging from 2.88–3.15 Å. There are two inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with six MnF6 octahedra and faces with eight KF12 cuboctahedra. The corner-sharing octahedra tilt angles range from 4–7°. There are two shorter (2.13 Å) and four longer (2.14 Å) Mn–F bond lengths. In the second Mn2+ site, Mn2+ is bonded to six F1- atoms to form MnF6 octahedra that share corners with six MnF6 octahedra and faces with eight KF12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–7°. There are two shorter (2.13 Å) and four longer (2.14 Å) Mn–F bond lengths. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted linear geometry to four K1+ and two equivalent Mn2+ atoms. In the second F1- site, F1- is bonded in a distorted linear geometry to four K1+ and two equivalent Mn2+ atoms. In the third F1- site, F1- is bonded in a 2-coordinate geometry to four K1+ and two Mn2+ atoms. In the fourth F1- site, F1- is bonded in a distorted linear geometry to four K1+ and two Mn2+ atoms.

36 MATERIALS SCIENCE↗