Materials Data on Cd2H18C8O17 by Materials Project
(CdH8(CO3)2)2(CO)4H2O crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of sixteen formaldehyde molecules, four water molecules, and two CdH8(CO3)2 clusters. In each CdH8(CO3)2 cluster, there are two inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Cd–O bond distances ranging from 2.31–2.37 Å. In the second Cd2+ site, Cd2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Cd–O bond distances ranging from 2.31–2.37 Å. 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 1.27 Å. In the second C+1.50+ site, C+1.50+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.26 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 1.27 Å. In the fourth C+1.50+ site, C+1.50+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.27 Å. There are sixteen inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.72 Å) H–O bond length. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the seventh H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.71 Å) H–O bond length. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the thirteenth H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.01 Å. In the fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Cd2+ and one C+1.50+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Cd2+, one C+1.50+, and one H1+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the ninth O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the tenth O2- site, O2- is bonded in a distorted water-like geometry to one Cd2+ and two H1+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Cd2+, one C+1.50+, and one H1+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one Cd2+ and one C+1.50+ atom.