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Materials Data on NbS2 by Materials Project

NbS2 is trigonal omega-like structured and crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three NbS2 sheets oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form edge-sharing NbS6 octahedra. All Nb–S bond lengths are 2.49 Å. S2- is bonded in a distorted T-shaped geometry to three equivalent Nb4+ atoms.

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Materials Data on NbS2 by Materials Project

NbS2 is Molybdenite-like structured and crystallizes in the hexagonal P-6m2 space group. The structure is two-dimensional and consists of one NbS2 sheet oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. All Nb–S bond lengths are 2.49 Å. S2- is bonded in a distorted T-shaped geometry to three equivalent Nb4+ atoms.

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Materials Data on NbS2 by Materials Project

NbS2 is Molybdenite-like structured and crystallizes in the orthorhombic Fmm2 space group. The structure is two-dimensional and consists of two NbS2 sheets oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. All Nb–S bond lengths are 2.49 Å. S2- is bonded in a distorted T-shaped geometry to three equivalent Nb4+ atoms.

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Materials Data on NbS2 by Materials Project

NbS2 is Molybdenite-like structured and crystallizes in the orthorhombic Cmc2_1 space group. The structure is two-dimensional and consists of four NbS2 sheets oriented in the (0, 0, 1) direction. Nb4+ is bonded to six S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. All Nb–S bond lengths are 2.49 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a 3-coordinate geometry to three equivalent Nb4+ atoms. In the second S2- site, S2- is bonded in a distorted T-shaped geometry to three equivalent Nb4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NbS2 by Materials Project

NbS2 is Molybdenite-like structured and crystallizes in the monoclinic C2 space group. The structure is two-dimensional and consists of one NbS2 sheet oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. All Nb–S bond lengths are 2.49 Å. S2- is bonded in a distorted T-shaped geometry to three equivalent Nb4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NbS2 by Materials Project

NbS2 crystallizes in the orthorhombic Amm2 space group. The structure is two-dimensional and consists of two NbS2 sheets oriented in the (0, 1, 0) direction. Nb4+ is bonded in a 6-coordinate geometry to six S2- atoms. There are two shorter (2.41 Å) and four longer (2.57 Å) Nb–S bond lengths. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted L-shaped geometry to two equivalent Nb4+ atoms. In the second S2- site, S2- is bonded in a 4-coordinate geometry to four equivalent Nb4+ atoms.

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Materials Data on NbS2 by Materials Project

NbS2 is Molybdenite-like structured and crystallizes in the trigonal R3m space group. The structure is two-dimensional and consists of three NbS2 sheets oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. There are three shorter (2.49 Å) and three longer (2.50 Å) Nb–S bond lengths. S2- is bonded in a 3-coordinate geometry to three equivalent Nb4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NbS2 by Materials Project

NbS2 is trigonal omega-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is two-dimensional and consists of two NbS2 sheets oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form edge-sharing NbS6 octahedra. All Nb–S bond lengths are 2.49 Å. S2- is bonded in a distorted T-shaped geometry to three equivalent Nb4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NbS2 by Materials Project

NbS2 crystallizes in the tetragonal I4/mmm space group. The structure is two-dimensional and consists of two NbS2 sheets oriented in the (0, 0, 1) direction. Nb4+ is bonded in a body-centered cubic geometry to eight equivalent S2- atoms. All Nb–S bond lengths are 2.63 Å. S2- is bonded in a 4-coordinate geometry to four equivalent Nb4+ atoms.

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Materials Data on Na(NbS2)2 by Materials Project

Na(NbS2)2 crystallizes in the trigonal P3m1 space group. The structure is two-dimensional and consists of one Na(NbS2)2 sheet oriented in the (0, 0, 1) direction. Na1+ is bonded in a 6-coordinate geometry to six S2- atoms. There are three shorter (2.82 Å) and three longer (2.83 Å) Na–S bond lengths. There are two inequivalent Nb+3.50+ sites. In the first Nb+3.50+ site, Nb+3.50+ is bonded to six S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. There are three shorter (2.49 Å) and three longer (2.53 Å) Nb–S bond lengths. In the second Nb+3.50+ site, Nb+3.50+ is bonded to six S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. There are three shorter (2.49 Å) and three longer (2.53 Å) Nb–S bond lengths. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded to three equivalent Na1+ and three equivalent Nb+3.50+ atoms to form a mixture of corner, edge, and face-sharing SNa3Nb3 octahedra. In the second S2- site, S2- is bonded to three equivalent Na1+ and three equivalent Nb+3.50+ atoms to form a mixture of distorted corner, edge, and face-sharing SNa3Nb3 pentagonal pyramids. The corner-sharing octahedral tilt angles are 41°. In the third S2- site, S2- is bonded in a distorted T-shaped geometry to three equivalent Nb+3.50+ atoms. In the fourth S2- site, S2- is bonded in a distorted T-shaped geometry to three equivalent Nb+3.50+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NbS2 by Materials Project

NbS2 is Molybdenite-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is two-dimensional and consists of two NbS2 sheets oriented in the (0, 0, 1) direction. Nb4+ is bonded to six equivalent S2- atoms to form distorted edge-sharing NbS6 pentagonal pyramids. All Nb–S bond lengths are 2.50 Å. S2- is bonded in a distorted T-shaped geometry to three equivalent Nb4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Mn(NbS2)4 by Materials Project

Mn(NbS2)4 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Nb+3.50+ sites. In the first Nb+3.50+ site, Nb+3.50+ is bonded to six S2- atoms to form distorted NbS6 pentagonal pyramids that share corners with four equivalent MnS6 octahedra and edges with six NbS6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 48°. There are two shorter (2.47 Å) and four longer (2.51 Å) Nb–S bond lengths. In the second Nb+3.50+ site, Nb+3.50+ is bonded to six equivalent S2- atoms to form distorted NbS6 pentagonal pyramids that share edges with six equivalent NbS6 pentagonal pyramids and faces with two equivalent MnS6 octahedra. All Nb–S bond lengths are 2.50 Å. Mn2+ is bonded to six equivalent S2- atoms to form MnS6 octahedra that share corners with twelve equivalent NbS6 pentagonal pyramids and faces with two equivalent NbS6 pentagonal pyramids. All Mn–S bond lengths are 2.48 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a 3-coordinate geometry to three equivalent Nb+3.50+ atoms. In the second S2- site, S2- is bonded in a rectangular see-saw-like geometry to three Nb+3.50+ and one Mn2+ atom.

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Materials Data on Ti(NbS2)3 by Materials Project

Ti(NbS2)3 is Ilmenite-like structured and crystallizes in the hexagonal P6_322 space group. The structure is three-dimensional. Ti4+ is bonded to six equivalent S2- atoms to form TiS6 octahedra that share corners with twelve NbS6 pentagonal pyramids and faces with two equivalent NbS6 pentagonal pyramids. All Ti–S bond lengths are 2.47 Å. There are two inequivalent Nb+2.67+ sites. In the first Nb+2.67+ site, Nb+2.67+ is bonded to six equivalent S2- atoms to form distorted NbS6 pentagonal pyramids that share corners with six equivalent TiS6 octahedra and edges with six equivalent NbS6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 45°. All Nb–S bond lengths are 2.50 Å. In the second Nb+2.67+ site, Nb+2.67+ is bonded to six equivalent S2- atoms to form distorted NbS6 pentagonal pyramids that share corners with three equivalent TiS6 octahedra, edges with six NbS6 pentagonal pyramids, and a faceface with one TiS6 octahedra. The corner-sharing octahedral tilt angles are 46°. There are three shorter (2.50 Å) and three longer (2.51 Å) Nb–S bond lengths. S2- is bonded to one Ti4+ and three Nb+2.67+ atoms to form a mixture of distorted corner, edge, and face-sharing STiNb3 trigonal pyramids.

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