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Mg(NO3)2 crystallizes in the cubic Pa-3 space group. The structure is three-dimensional. Mg2+ is bonded in a distorted octahedral geometry to six equivalent O2- atoms. All Mg–O bond lengths are 2.13 Å. N5+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All N–O bond lengths are 1.26 Å. O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom.
Mg(NO3)2 crystallizes in the orthorhombic Pca2_1 space group. The structure is three-dimensional. there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.09–2.18 Å. In the second Mg2+ site, Mg2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.11–2.18 Å. There are four inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.26 Å) and one longer (1.27 Å) N–O bond length. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.26 Å. In the third N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.26 Å. In the fourth N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.26 Å) and one longer (1.27 Å) N–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one N5+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one N5+ atom.
Mg4N6O19 crystallizes in the trigonal P3 space group. The structure is zero-dimensional and consists of three Mg4N6O19 clusters. In one of the Mg4N6O19 clusters, there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to four O2- atoms to form corner-sharing MgO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 1.97–2.01 Å. In the second Mg2+ site, Mg2+ is bonded to four O2- atoms to form corner-sharing MgO4 tetrahedra. There is one shorter (1.94 Å) and three longer (2.01 Å) Mg–O bond length. There are two inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.22 Å) and two longer (1.30 Å) N–O bond length. In the second 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 1.21–1.30 Å. There are seven 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 in a single-bond geometry to one N5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a tetrahedral geometry to four Mg2+ atoms. In two of the Mg4N6O19 clusters, there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to four O2- atoms to form corner-sharing MgO4 tetrahedra. There is one shorter (1.95 Å) and three longer (1.99 Å) Mg–O bond length. In the second Mg2+ site, Mg2+ is bonded to four O2- atoms to form corner-sharing MgO4 tetrahedra. There is one shorter (1.95 Å) and three longer (1.99 Å) Mg–O bond length. There are two 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 1.21–1.30 Å. In the second N5+ site, 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 seven 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 in a tetrahedral geometry to four Mg2+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom.
Mg(NO3)2 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. there are four inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.06–2.16 Å. In the second Mg2+ site, Mg2+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Mg–O bond lengths are 2.10 Å. In the third Mg2+ site, Mg2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.10–2.15 Å. In the fourth Mg2+ site, Mg2+ is bonded in an octahedral geometry to six O2- atoms. There are three shorter (2.08 Å) and three longer (2.15 Å) Mg–O bond lengths. There are six inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All N–O bond lengths are 1.26 Å. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.26 Å. In the third N5+ site, N5+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All N–O bond lengths are 1.26 Å. In the fourth N5+ site, N5+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All N–O bond lengths are 1.26 Å. In the fifth N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.26 Å. In the sixth N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.26 Å) and one longer (1.27 Å) N–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one N5+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one N5+ atom. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one N5+ atom.
Mg(NO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one Mg(NO4)2 sheet oriented in the (1, 0, 0) direction. Mg is bonded in an octahedral geometry to six O atoms. There are a spread of Mg–O bond distances ranging from 2.09–2.16 Å. N is bonded in a trigonal planar geometry to three O atoms. There are a spread of N–O bond distances ranging from 1.23–1.30 Å. There are four inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to one Mg and one N atom. In the second O site, O is bonded in a single-bond geometry to one N atom. In the third O site, O is bonded in a bent 120 degrees geometry to one Mg and one N atom. In the fourth O site, O is bonded in a single-bond geometry to one Mg atom.
MgO6(NO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four nitric acid molecules and two MgO6 clusters. In each MgO6 cluster, Mg is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Mg–O bond distances ranging from 1.93–2.60 Å. There are three inequivalent O sites. In the first O site, O is bonded in an L-shaped geometry to one Mg and one O atom. The O–O bond length is 1.25 Å. In the second O site, O is bonded in a single-bond geometry to one Mg atom. In the third O site, O is bonded in a 1-coordinate geometry to one Mg and one O atom.
MgO8N2(NO2)4 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four ammonia molecules, eight nitrous acid molecules, and two MgO8 clusters. In each MgO8 cluster, Mg2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.02–2.48 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Mg2+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one O2- atom. The O–O bond length is 1.22 Å. In the third O2- site, O2- is bonded in a single-bond geometry to one Mg2+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one O2- atom.