Materials Data on Si(CO)2 by Materials Project
Si(CO)2 crystallizes in the orthorhombic Immm space group. The structure is zero-dimensional and consists of two dimethoxysilicon;silicon molecules and four formaldehyde molecules.
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Si(CO)2 crystallizes in the orthorhombic Immm space group. The structure is zero-dimensional and consists of two dimethoxysilicon;silicon molecules and four formaldehyde molecules.
Si4CO13 crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one Si4CO13 sheet oriented in the (2, 0, -1) direction. there are two inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form distorted corner-sharing SiO4 trigonal pyramids. There are a spread of Si–O bond distances ranging from 1.53–2.30 Å. In the second Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. C is bonded in a linear geometry to two equivalent O atoms. Both C–O bond lengths are 1.18 Å. There are seven inequivalent O sites. In the first O site, O is bonded in a distorted bent 120 degrees geometry to one Si and one C atom. In the second O site, O is bonded in a bent 120 degrees geometry to two Si atoms. In the third O site, O is bonded in a water-like geometry to two O atoms. There is one shorter (1.20 Å) and one longer (1.83 Å) O–O bond length. In the fourth O site, O is bonded in a bent 120 degrees geometry to two equivalent Si atoms. In the fifth O site, O is bonded in a single-bond geometry to one Si and one O atom. In the sixth O site, O is bonded in a single-bond geometry to one Si atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to two Si atoms.
C(SiO2)17 is beta Tridymite-derived structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional and consists of eight methane molecules and one SiO2 framework. In the SiO2 framework, there are three inequivalent Si sites. In the first Si site, Si is bonded to four equivalent O atoms to form corner-sharing SiO4 tetrahedra. All Si–O bond lengths are 1.60 Å. In the second Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is one shorter (1.60 Å) and three longer (1.61 Å) Si–O bond length. In the third Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.63 Å. There are four inequivalent O sites. In the first O site, O is bonded in a linear geometry to two Si atoms. In the second O site, O is bonded in a linear geometry to two equivalent Si atoms. In the third O site, O is bonded in a linear geometry to two Si atoms. In the fourth O site, O is bonded in a linear geometry to two equivalent Si atoms.
Si12CO24 is Low Tridymite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are eight inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.64 Å. In the second Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is one shorter (1.62 Å) and three longer (1.63 Å) Si–O bond length. In the third Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. All Si–O bond lengths are 1.62 Å. In the fourth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.63 Å. In the fifth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.69 Å. In the sixth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is two shorter (1.62 Å) and two longer (1.63 Å) Si–O bond length. In the seventh Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.70 Å. In the eighth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is two shorter (1.62 Å) and two longer (1.63 Å) Si–O bond length. C is bonded in a single-bond geometry to one O atom. The C–O bond length is 1.77 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the second O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the third O site, O is bonded in a distorted T-shaped geometry to two Si and one C atom. In the fourth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the fifth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the sixth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the seventh O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the eighth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the ninth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the tenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the eleventh O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the twelfth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the fourteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms.