Title: Materials Data on Mg12Fe4C2O47 by Materials Project

Abstract

Mg12Fe4C2O35(O2)6 crystallizes in the triclinic P1 space group. The structure is three-dimensional and consists of six hydrogen peroxide molecules and one Mg12Fe4C2O35 framework. In the Mg12Fe4C2O35 framework, there are twelve inequivalent Mg sites. In the first Mg site, Mg is bonded in a 3-coordinate geometry to five O atoms. There are a spread of Mg–O bond distances ranging from 1.86–2.59 Å. In the second Mg site, Mg is bonded in a trigonal planar geometry to four O atoms. There are a spread of Mg–O bond distances ranging from 1.86–2.77 Å. In the third Mg site, Mg is bonded to four O atoms to form distorted MgO4 tetrahedra that share an edgeedge with one FeO6 octahedra. There are a spread of Mg–O bond distances ranging from 1.88–2.15 Å. In the fourth Mg site, Mg is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Mg–O bond distances ranging from 1.89–2.54 Å. In the fifth Mg site, Mg is bonded in a trigonal planar geometry to four O atoms. There are a spread of Mg–O bond distances ranging from 1.87–2.77 Å. In the sixth Mg site, Mg is bonded in a 3-coordinate geometry to four O atoms.more » There are a spread of Mg–O bond distances ranging from 1.85–2.69 Å. In the seventh Mg site, Mg is bonded in a 5-coordinate geometry to six O atoms. There are a spread of Mg–O bond distances ranging from 2.03–2.71 Å. In the eighth Mg site, Mg is bonded in a 5-coordinate geometry to six O atoms. There are a spread of Mg–O bond distances ranging from 2.01–2.73 Å. In the ninth Mg site, Mg is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Mg–O bond distances ranging from 2.00–2.67 Å. In the tenth Mg site, Mg is bonded in a distorted rectangular see-saw-like geometry to four O atoms. There are a spread of Mg–O bond distances ranging from 1.90–2.09 Å. In the eleventh Mg site, Mg is bonded in a 4-coordinate geometry to four O atoms. There are a spread of Mg–O bond distances ranging from 1.91–2.11 Å. In the twelfth Mg site, Mg is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Mg–O bond distances ranging from 1.91–2.52 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share an edgeedge with one MgO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 1.85–2.10 Å. In the second Fe site, Fe is bonded in a distorted trigonal pyramidal geometry to four O atoms. There is two shorter (1.82 Å) and two longer (1.86 Å) Fe–O bond length. In the third Fe site, Fe is bonded in a see-saw-like geometry to four O atoms. There are a spread of Fe–O bond distances ranging from 1.81–1.86 Å. In the fourth Fe site, Fe is bonded in a see-saw-like geometry to four O atoms. There are a spread of Fe–O bond distances ranging from 1.81–1.87 Å. There are two inequivalent C sites. In the first C site, C is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.21 Å) and two longer (1.37 Å) C–O bond length. In the second C site, C is bonded in a trigonal planar geometry to three O atoms. There are a spread of C–O bond distances ranging from 1.24–1.35 Å. There are thirty-five inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two Mg and one Fe atom. In the second O site, O is bonded in a trigonal planar geometry to two Mg and one Fe atom. In the third O site, O is bonded in a distorted trigonal planar geometry to two Mg and one Fe atom. In the fourth O site, O is bonded in a trigonal planar geometry to two Mg and one Fe atom. In the fifth O site, O is bonded in a distorted trigonal planar geometry to two Mg and one Fe atom. In the sixth O site, O is bonded in a trigonal planar geometry to two Mg and one Fe atom. In the seventh O site, O is bonded in a distorted T-shaped geometry to two Mg and one Fe atom. In the eighth O site, O is bonded in a distorted trigonal planar geometry to two Mg and one Fe atom. In the ninth O site, O is bonded in a distorted T-shaped geometry to two Mg and one Fe atom. In the tenth O site, O is bonded in a distorted T-shaped geometry to two Mg and one Fe atom. In the eleventh O site, O is bonded in a distorted T-shaped geometry to two Mg and one Fe atom. In the twelfth O site, O is bonded in a distorted T-shaped geometry to two Mg and one Fe atom. In the thirteenth O site, O is bonded in a trigonal planar geometry to two Mg and one Fe atom. In the fourteenth O site, O is bonded to two Mg, one Fe, and one O atom to form distorted corner-sharing OMg2FeO tetrahedra. The O–O bond length is 1.52 Å. In the fifteenth O site, O is bonded to two Mg, one Fe, and one O atom to form distorted corner-sharing OMg2FeO tetrahedra. The O–O bond length is 1.51 Å. In the sixteenth O site, O is bonded in a trigonal non-coplanar geometry to two Mg and one Fe atom. In the seventeenth O site, O is bonded in a 1-coordinate geometry to one Mg, one Fe, and one O atom. The O–O bond length is 1.48 Å. In the eighteenth O site, O is bonded in a distorted single-bond geometry to one Mg, one Fe, and one O atom. The O–O bond length is 1.48 Å. In the nineteenth O site, O is bonded in a trigonal planar geometry to three Mg atoms. In the twentieth O site, O is bonded in a trigonal planar geometry to three Mg atoms. In the twenty-first O site, O is bonded in a trigonal planar geometry to three Mg atoms. In the twenty-second O site, O is bonded in a distorted bent 120 degrees geometry to one Mg and one O atom. The O–O bond length is 1.23 Å. In the twenty-third O site, O is bonded in a distorted rectangular see-saw-like geometry to three Mg and one O atom. The O–O bond length is 1.24 Å. In the twenty-fourth O site, O is bonded in a 1-coordinate geometry to three Mg and one O atom. The O–O bond length is 1.24 Å. In the twenty-fifth O site, O is bonded in a distorted trigonal non-coplanar geometry to three Mg atoms. In the twenty-sixth O site, O is bonded in a distorted T-shaped geometry to three Mg atoms. In the twenty-seventh O site, O is bonded in a single-bond geometry to one C atom. In the twenty-eighth O site, O is bonded in a single-bond geometry to one C and one O atom. In the twenty-ninth O site, O is bonded in a distorted single-bond geometry to one C and one O atom. In the thirtieth O site, O is bonded in a distorted single-bond geometry to one Mg and one C atom. In the thirty-first O site, O is bonded in a distorted single-bond geometry to one C and one O atom. In the thirty-second O site, O is bonded in a distorted single-bond geometry to one C and one O atom. In the thirty-third O site, O is bonded in a single-bond geometry to one O atom. In the thirty-fourth O site, O is bonded in a single-bond geometry to one O atom. In the thirty-fifth O site, O is bonded in a single-bond geometry to one O atom.« less

Publication Date:

2020-04-29

Other Number(s):

mp-1182703

DOE Contract Number:  

AC02-05CH11231

Research Org.:

LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Org.:

USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

Collaborations:

The Materials Project; MIT; UC Berkeley; Duke; U Louvain

Subject:

36 MATERIALS SCIENCE; C-Fe-Mg-O; Mg12Fe4C2O47; crystal structure

OSTI Identifier:

1687680

DOI:

https://doi.org/10.17188/1687680