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(Os)2Bi(CO)6 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of eight bismuth molecules, forty-eight formaldehyde molecules, and sixteen osmium molecules.
ReI(CO)5 is alpha carbon monoxide-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is zero-dimensional and consists of twenty formaldehyde molecules and four iodorhenium molecules.
Ru(CO)4 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of eight formaldehyde molecules and two ruthenium molecules.
ReBr(CO)5 is gamma nitrogen-derived structured and crystallizes in the orthorhombic Pnma space group. The structure is zero-dimensional and consists of four bromorhenium molecules and twenty formaldehyde molecules.
Re2COI4(CO)2 crystallizes in the monoclinic C2/c space group. The structure is one-dimensional and consists of sixteen formaldehyde molecules and two Re2COI4 ribbons oriented in the (0, 0, 1) direction. In each Re2COI4 ribbon, there are two inequivalent Re3+ sites. In the first Re3+ site, Re3+ is bonded in a distorted square co-planar geometry to four I1- atoms. There are a spread of Re–I bond distances ranging from 2.68–2.76 Å. In the second Re3+ site, Re3+ is bonded in a 3-coordinate geometry to three I1- atoms. There are a spread of Re–I bond distances ranging from 2.84–2.87 Å. C+1.33+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.17 Å. O2- is bonded in a single-bond geometry to one C+1.33+ and two I1- atoms. There are one shorter (3.54 Å) and one longer (3.60 Å) O–I bond lengths. There are four inequivalent I1- sites. In the first I1- site, I1- is bonded in a 3-coordinate geometry to two Re3+ and one O2- atom. In the second I1- site, I1- is bonded in a distorted single-bond geometry to one Re3+ atom. In the third I1- site, I1- is bonded in an L-shaped geometry to two Re3+ atoms. In the fourth I1- site, I1- is bonded in a 2-coordinate geometry to two Re3+ and one O2- atom.
ReI(CO)4 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of thirty-two formaldehyde molecules and four ReI clusters. In each ReI cluster, there are two inequivalent Re3+ sites. In the first Re3+ site, Re3+ is bonded in a 2-coordinate geometry to two I1- atoms. There are one shorter (2.87 Å) and one longer (2.88 Å) Re–I bond lengths. In the second Re3+ site, Re3+ is bonded in a 2-coordinate geometry to two I1- atoms. There are one shorter (2.86 Å) and one longer (2.87 Å) Re–I bond lengths. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a 2-coordinate geometry to two Re3+ atoms. In the second I1- site, I1- is bonded in a distorted water-like geometry to two Re3+ atoms.
Co2C5O4Co(CO)2Co2C2SO2Co5C10SO9(CSCoO)2(CO)5 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of five formaldehyde molecules, two CSCoO clusters, one Co(CO)2 cluster, one Co2C2SO2 cluster, one Co2C5O4 cluster, and one Co5C10SO9 cluster. In each CSCoO cluster, Co2+ is bonded in a 2-coordinate geometry to one C+1.23+ and one S2- atom. The Co–C bond length is 1.73 Å. The Co–S bond length is 1.81 Å. C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.15 Å. S2- is bonded in a distorted single-bond geometry to one Co2+ atom. O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the Co(CO)2 cluster, Co2+ is bonded in a distorted L-shaped geometry to two C+1.23+ atoms. There is one shorter (1.53 Å) and one longer (1.70 Å) Co–C bond length. There are two inequivalent C+1.23+ sites. In the first C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 0.98 Å. In the second C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.12 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the Co2C2SO2 cluster, there are two inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded in a distorted bent 120 degrees geometry to one C+1.23+ and one S2- atom. The Co–C bond length is 1.76 Å. The Co–S bond length is 1.85 Å. In the second Co2+ site, Co2+ is bonded in a 2-coordinate geometry to one C+1.23+ and one S2- atom. The Co–C bond length is 1.84 Å. The Co–S bond length is 2.14 Å. There are two inequivalent C+1.23+ sites. In the first C+1.23+ site, C+1.23+ is bonded in a distorted linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.22 Å. In the second C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.17 Å. S2- is bonded in a 1-coordinate geometry to two Co2+ atoms. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the Co2C5O4 cluster, there are two inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded in a distorted trigonal non-coplanar geometry to three C+1.23+ atoms. There are a spread of Co–C bond distances ranging from 1.51–1.74 Å. In the second Co2+ site, Co2+ is bonded in a 3-coordinate geometry to three C+1.23+ atoms. There are a spread of Co–C bond distances ranging from 1.55–1.86 Å. There are five inequivalent C+1.23+ sites. In the first C+1.23+ site, C+1.23+ is bonded in a 2-coordinate geometry to two Co2+ atoms. In the second C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 0.99 Å. In the third C+1.23+ site, C+1.23+ is bonded in a distorted linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.22 Å. In the fourth C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.13 Å. In the fifth C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.03 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the Co5C10SO9 cluster, there are five inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded in a 3-coordinate geometry to two C+1.23+ and one S2- atom. There is one shorter (1.78 Å) and one longer (1.81 Å) Co–C bond length. The Co–S bond length is 2.08 Å. In the second Co2+ site, Co2+ is bonded in a 3-coordinate geometry to two C+1.23+ and one S2- atom. There is one shorter (1.63 Å) and one longer (1.80 Å) Co–C bond length. The Co–S bond length is 2.27 Å. In the third Co2+ site, Co2+ is bonded in a 3-coordinate geometry to three C+1.23+ atoms. There are a spread of Co–C bond distances ranging from 1.63–1.75 Å. In the fourth Co2+ site, Co2+ is bonded in a 2-coordinate geometry to two C+1.23+ atoms. There is one shorter (1.71 Å) and one longer (1.86 Å) Co–C bond length. In the fifth Co2+ site, Co2+ is bonded in a distorted trigonal non-coplanar geometry to three C+1.23+ atoms. There are a spread of Co–C bond distances ranging from 1.39–1.81 Å. There are ten inequivalent C+1.23+ sites. In the first C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.09 Å. In the second C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.15 Å. In the third C+1.23+ site, C+1.23+ is bonded in a distorted linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.18 Å. In the fourth C+1.23+ site, C+1.23+ is bonded in a 2-coordinate geometry to three Co2+ atoms. In the fifth C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.17 Å. In the sixth C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.17 Å. In the seventh C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.06 Å. In the eighth C+1.23+ site, C+1.23+ is bonded in a distorted linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.19 Å. In the ninth C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.12 Å. In the tenth C+1.23+ site, C+1.23+ is bonded in a linear geometry to one Co2+ and one O2- atom. The C–O bond length is 1.11 Å. S2- is bonded in a 3-coordinate geometry to two Co2+ and one O2- atom. The S–O bond length is 3.00 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ and one S2- atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to one C+1.23+ atom.
WFe2C6TeSeO6(CO)4 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of eight formaldehyde molecules and one WFe2C6TeSeO6 ribbon oriented in the (1, 0, 0) direction. In the WFe2C6TeSeO6 ribbon, W2+ is bonded in a 2-coordinate geometry to one Te2- and one Se2- atom. The W–Te bond length is 2.79 Å. The W–Se bond length is 2.61 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in a 5-coordinate geometry to three C+1.60+, one Te2-, and one Se2- atom. There is one shorter (1.77 Å) and two longer (1.81 Å) Fe–C bond length. The Fe–Te bond length is 2.57 Å. The Fe–Se bond length is 2.42 Å. In the second Fe3+ site, Fe3+ is bonded in a 5-coordinate geometry to three C+1.60+, one Te2-, and one Se2- atom. There is one shorter (1.77 Å) and two longer (1.80 Å) Fe–C bond length. The Fe–Te bond length is 2.57 Å. The Fe–Se bond length is 2.43 Å. There are six inequivalent C+1.60+ sites. In the first C+1.60+ site, C+1.60+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the second C+1.60+ site, C+1.60+ is bonded in a linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the third C+1.60+ site, C+1.60+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fourth C+1.60+ site, C+1.60+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fifth C+1.60+ site, C+1.60+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the sixth C+1.60+ site, C+1.60+ is bonded in a linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. Te2- is bonded in a 2-coordinate geometry to one W2+, two Fe3+, and three O2- atoms. There are a spread of Te–O bond distances ranging from 3.43–3.72 Å. Se2- is bonded in a 2-coordinate geometry to one W2+ and two Fe3+ atoms. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ and one Te2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ and one Te2- atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ and one Te2- atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ atom.
MoFe2C6(SeO3)2(CO)4 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of eight formaldehyde molecules and one MoFe2C6(SeO3)2 ribbon oriented in the (1, 0, 0) direction. In the MoFe2C6(SeO3)2 ribbon, Mo2+ is bonded in a 2-coordinate geometry to two Se2- atoms. Both Mo–Se bond lengths are 2.61 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to three C+1.60+ and two Se2- atoms to form distorted edge-sharing FeC3Se2 square pyramids. There are a spread of Fe–C bond distances ranging from 1.77–1.82 Å. There are one shorter (2.40 Å) and one longer (2.41 Å) Fe–Se bond lengths. In the second Fe3+ site, Fe3+ is bonded to three C+1.60+ and two Se2- atoms to form distorted edge-sharing FeC3Se2 square pyramids. There is one shorter (1.77 Å) and two longer (1.81 Å) Fe–C bond length. Both Fe–Se bond lengths are 2.41 Å. There are six inequivalent C+1.60+ sites. In the first C+1.60+ site, C+1.60+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the second C+1.60+ site, C+1.60+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the third C+1.60+ site, C+1.60+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fourth C+1.60+ site, C+1.60+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fifth C+1.60+ site, C+1.60+ is bonded in a linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the sixth C+1.60+ site, C+1.60+ is bonded in a linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 2-coordinate geometry to one Mo2+ and two Fe3+ atoms. In the second Se2- site, Se2- is bonded in a 2-coordinate geometry to one Mo2+, two Fe3+, and two O2- atoms. There are one shorter (3.47 Å) and one longer (3.61 Å) Se–O bond lengths. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ and one Se2- atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one C+1.60+ and one Se2- atom.
(Fe2Te(CO)5)2CO crystallizes in the orthorhombic Pccn space group. The structure is two-dimensional and consists of four formaldehyde molecules and two Fe2Te(CO)5 sheets oriented in the (0, 0, 1) direction. In each Fe2Te(CO)5 sheet, there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in a 2-coordinate geometry to two C+1.27+ and two equivalent Te2- atoms. Both Fe–C bond lengths are 1.79 Å. Both Fe–Te bond lengths are 2.64 Å. In the second Fe3+ site, Fe3+ is bonded in a 5-coordinate geometry to three C+1.27+ and two equivalent Te2- atoms. There is one shorter (1.78 Å) and two longer (1.79 Å) Fe–C bond length. Both Fe–Te bond lengths are 2.59 Å. There are five inequivalent C+1.27+ sites. In the first C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the second C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the third C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fourth C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fifth C+1.27+ site, C+1.27+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.17 Å. Te2- is bonded in a 6-coordinate geometry to four Fe3+ and two O2- atoms. There are one shorter (3.45 Å) and one longer (3.74 Å) Te–O bond lengths. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ and one Te2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ and one Te2- atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ atom.
(Fe(CO)3)2CO(CF2)2 crystallizes in the orthorhombic Pnma space group. The structure is zero-dimensional and consists of eight difluoromethane molecules, four formaldehyde molecules, and eight Fe(CO)3 clusters. In four of the Fe(CO)3 clusters, Fe3+ is bonded in a 3-coordinate geometry to three C+1.33+ atoms. There is one shorter (1.80 Å) and two longer (1.82 Å) Fe–C bond length. There are two inequivalent C+1.33+ sites. In the first C+1.33+ site, C+1.33+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.15 Å. In the second C+1.33+ site, C+1.33+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.15 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.33+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.33+ atom. In four of the Fe(CO)3 clusters, Fe3+ is bonded in a 3-coordinate geometry to three C+1.33+ atoms. There is one shorter (1.80 Å) and two longer (1.82 Å) Fe–C bond length. There are two inequivalent C+1.33+ sites. In the first C+1.33+ site, C+1.33+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.15 Å. In the second C+1.33+ site, C+1.33+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.15 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.33+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.33+ atom.
RuSe(CO)3 crystallizes in the cubic I-43m space group. The structure is zero-dimensional and consists of twenty-four formaldehyde molecules and two RuSe clusters. In each RuSe cluster, Ru4+ is bonded in a 6-coordinate geometry to three equivalent Se2- atoms. All Ru–Se bond lengths are 2.61 Å. Se2- is bonded in a 3-coordinate geometry to three equivalent Ru4+ atoms.
Mn(CO)5Br crystallizes in the orthorhombic Pnma space group. The structure is zero-dimensional and consists of twenty formaldehyde molecules and four MnBr clusters. In each MnBr cluster, Mn3+ is bonded in a 6-coordinate geometry to one Br1- atom. The Mn–Br bond length is 2.56 Å. Br1- is bonded in a single-bond geometry to one Mn3+ atom.
OsCl2(CO)4 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four dichloroosmium molecules and sixteen formaldehyde molecules.
C2S(CO)2C4SO2 crystallizes in the orthorhombic Pca2_1 space group. The structure is zero-dimensional and consists of four dimethyl sulfide molecules, eight formaldehyde molecules, and four C4SO2 clusters. In each C4SO2 cluster, there are four inequivalent C+1.50+ sites. In the first C+1.50+ site, C+1.50+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.22 Å. In the second C+1.50+ site, C+1.50+ is bonded in a distorted single-bond geometry to one S2- atom. The C–S bond length is 1.73 Å. In the third C+1.50+ site, C+1.50+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.21 Å. In the fourth C+1.50+ site, C+1.50+ is bonded in a distorted single-bond geometry to one S2- atom. The C–S bond length is 1.73 Å. S2- is bonded in a 4-coordinate geometry to two C+1.50+ and two O2- atoms. There are one shorter (3.08 Å) and one longer (3.41 Å) S–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.50+ and one S2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.50+ and one S2- atom.
Ag(CN)4(CO)2SbF6 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of eight formaldehyde molecules, four Ag(CN)4 clusters, and four SbF6 clusters. In each Ag(CN)4 cluster, Ag1+ is bonded in a 4-coordinate geometry to four N3- atoms. There are two shorter (2.27 Å) and two longer (2.32 Å) Ag–N bond lengths. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.16 Å. In the second C4+ site, C4+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.16 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted linear geometry to one Ag1+ and one C4+ atom. In the second N3- site, N3- is bonded in a distorted linear geometry to one Ag1+ and one C4+ atom. In each SbF6 cluster, Sb3- is bonded in an octahedral geometry to six F1- atoms. There is four shorter (1.92 Å) and two longer (1.93 Å) Sb–F bond length. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Sb3- atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Sb3- atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Sb3- atom.
Fe2(CO)9 crystallizes in the hexagonal P6_3/m space group. The structure is zero-dimensional and consists of six formaldehyde molecules and four Fe(CO)3 clusters. In each Fe(CO)3 cluster, Fe3+ is bonded in a 3-coordinate geometry to three equivalent C+1.33+ atoms. All Fe–C bond lengths are 1.82 Å. C+1.33+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. O2- is bonded in a single-bond geometry to one C+1.33+ atom.
(CNH4)2CO crystallizes in the orthorhombic Fdd2 space group. The structure is zero-dimensional and consists of eight formaldehyde molecules and sixteen methylamine molecules.