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Materials Data on Ho6N8O33 by Materials Project

Ho6N4O21(NO3)4 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of four nitric acid molecules and one Ho6N4O21 ribbon oriented in the (1, 0, 0) direction. In the Ho6N4O21 ribbon, there are three inequivalent Ho sites. In the first Ho site, Ho is bonded in a 2-coordinate geometry to three O atoms. There are a spread of Ho–O bond distances ranging from 1.90–2.37 Å. In the second Ho site, Ho is bonded in a 4-coordinate geometry to four O atoms. There are a spread of Ho–O bond distances ranging from 1.88–2.34 Å. In the third Ho site, Ho is bonded in a distorted single-bond geometry to three O atoms. There are a spread of Ho–O bond distances ranging from 1.63–2.64 Å. There are two inequivalent N sites. In the first N site, N is bonded in a trigonal planar geometry to three O atoms. There are a spread of N–O bond distances ranging from 1.18–1.43 Å. In the second N site, N is bonded in a distorted trigonal planar geometry to three O atoms. There are a spread of N–O bond distances ranging from 1.28–1.80 Å. There are eleven inequivalent O sites. In the first O site, O is bonded in a water-like geometry to one Ho and one N atom. In the second O site, O is bonded in a distorted linear geometry to two equivalent Ho atoms. In the third O site, O is bonded in a water-like geometry to one Ho and one N atom. In the fourth O site, O is bonded in a 1-coordinate geometry to one Ho atom. In the fifth O site, O is bonded in a distorted bent 150 degrees geometry to one Ho and one N atom. In the sixth O site, O is bonded in a single-bond geometry to one N atom. In the seventh O site, O is bonded in a distorted bent 120 degrees geometry to two Ho atoms. In the eighth O site, O is bonded in a bent 120 degrees geometry to two Ho atoms. In the ninth O site, O is bonded in a single-bond geometry to one N atom. In the tenth O site, O is bonded in a single-bond geometry to one N atom. In the eleventh O site, O is bonded in a distorted single-bond geometry to one Ho atom.

36 MATERIALS SCIENCE↗

Materials Data on HoN7O15 by Materials Project

Ho(NO3)5N2 crystallizes in the trigonal P3_1 space group. The structure is zero-dimensional and consists of six ammonia molecules and three Ho(NO3)5 clusters. In each Ho(NO3)5 cluster, Ho3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ho–O bond distances ranging from 2.40–2.56 Å. There are five inequivalent N+3.86+ sites. In the first N+3.86+ site, N+3.86+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.23–1.29 Å. In the second N+3.86+ site, N+3.86+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.23 Å) and two longer (1.28 Å) N–O bond length. In the third N+3.86+ site, N+3.86+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.23 Å) and two longer (1.28 Å) N–O bond length. In the fourth N+3.86+ site, N+3.86+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.23–1.29 Å. In the fifth N+3.86+ site, N+3.86+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.23 Å) and two longer (1.28 Å) N–O bond length. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Ho3+ and one N+3.86+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one N+3.86+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Ho3+ and one N+3.86+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Ho3+ and one N+3.86+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ho3+ and one N+3.86+ atom. In the sixth O2- site, O2- is bonded in a distorted L-shaped geometry to one Ho3+ and one N+3.86+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one N+3.86+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Ho3+ and one N+3.86+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to one N+3.86+ atom. In the tenth O2- site, O2- is bonded in a distorted water-like geometry to one Ho3+ and one N+3.86+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one N+3.86+ atom. In the twelfth O2- site, O2- is bonded in a distorted water-like geometry to one Ho3+ and one N+3.86+ atom. In the thirteenth O2- site, O2- is bonded in a single-bond geometry to one N+3.86+ atom. In the fourteenth O2- site, O2- is bonded in a distorted L-shaped geometry to one Ho3+ and one N+3.86+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ho3+ and one N+3.86+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ho(NO3)3 by Materials Project

Ho(NO3)3 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one Ho(NO3)3 sheet oriented in the (0, 0, 1) direction. Ho3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ho–O bond distances ranging from 2.34–2.68 Å. There are three inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.26–1.28 Å. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.26 Å) and two longer (1.27 Å) N–O bond length. In the third N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.24–1.31 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ho3+ and one N5+ atom. In the second O2- site, O2- is bonded in a distorted L-shaped geometry to one Ho3+ and one N5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ho3+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Ho3+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a distorted L-shaped geometry to one Ho3+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Ho3+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Ho3+ and one N5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Ho3+ and one N5+ atom. In the ninth O2- site, O2- is bonded in a distorted L-shaped geometry to one Ho3+ and one N5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on HoNO4 by Materials Project

HoNO4 crystallizes in the orthorhombic Aem2 space group. The structure is two-dimensional and consists of one HoNO4 sheet oriented in the (0, 0, 1) direction. Ho3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Ho–O bond distances ranging from 2.22–2.59 Å. N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.21 Å) and two longer (1.30 Å) N–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the second O2- site, O2- is bonded to four equivalent Ho3+ atoms to form a mixture of edge and corner-sharing OHo4 tetrahedra. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ho3+ and one N5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on HoN3O10 by Materials Project

HoN3O10 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of one HoN3O10 ribbon oriented in the (0, 1, 0) direction. Ho is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Ho–O bond distances ranging from 2.33–2.47 Å. There are three inequivalent N sites. In the first N site, N is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.22 Å) and two longer (1.29 Å) N–O bond length. In the second N site, N is bonded in a trigonal planar geometry to three O atoms. There are a spread of N–O bond distances ranging from 1.21–1.33 Å. In the third N site, N is bonded in a trigonal planar geometry to three O atoms. There are a spread of N–O bond distances ranging from 1.21–1.33 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Ho atom. In the second O site, O is bonded in an L-shaped geometry to one Ho and one N atom. In the third O site, O is bonded in an L-shaped geometry to one Ho and one N atom. In the fourth O site, O is bonded in a single-bond geometry to one N atom. In the fifth O site, O is bonded in a 3-coordinate geometry to two equivalent Ho and one N atom. In the sixth O site, O is bonded in a water-like geometry to one Ho and one N atom. In the seventh O site, O is bonded in a single-bond geometry to one N atom. In the eighth O site, O is bonded in a 1-coordinate geometry to two equivalent Ho and one N atom. In the ninth O site, O is bonded in a distorted water-like geometry to one Ho and one N atom. In the tenth O site, O is bonded in a single-bond geometry to one N atom.

36 MATERIALS SCIENCE↗