Materials Data on BaRe2H2O9 by Materials Project
BaRe2H2O9 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.25 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.78–3.20 Å. There are four inequivalent Re7+ sites. In the first Re7+ site, Re7+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Re–O bond distances ranging from 1.75–1.77 Å. In the second Re7+ site, Re7+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Re–O bond distances ranging from 1.74–1.77 Å. In the third Re7+ site, Re7+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.75 Å) and one longer (1.76 Å) Re–O bond length. In the fourth Re7+ site, Re7+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.75 Å) and one longer (1.76 Å) Re–O bond length. There are four 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 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are eighteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Re7+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Re7+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Re7+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Re7+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+ and one Re7+ atom. In the seventeenth O2- site, O2- is bonded in a water-like geometry to two Ba2+ and two H1+ atoms. In the eighteenth O2- site, O2- is bonded in a water-like geometry to two Ba2+ and two H1+ atoms.