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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on MnCrSi2 by Materials Project

CrMnSi2 is alpha-derived structured and crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. Cr6+ is bonded in a 7-coordinate geometry to seven Si4- atoms. There are a spread of Cr–Si bond distances ranging from 2.32–2.55 Å. Mn2+ is bonded in a 7-coordinate geometry to seven Si4- atoms. There are a spread of Mn–Si bond distances ranging from 2.26–2.53 Å. There are two inequivalent Si4- sites. In the first Si4- site, Si4- is bonded in a 7-coordinate geometry to three equivalent Cr6+ and four equivalent Mn2+ atoms. In the second Si4- site, Si4- is bonded in a 7-coordinate geometry to four equivalent Cr6+ and three equivalent Mn2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn2CrSi by Materials Project

Mn2CrSi is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Cr is bonded in a distorted body-centered cubic geometry to eight equivalent Mn atoms. All Cr–Mn bond lengths are 2.42 Å. Mn is bonded in a body-centered cubic geometry to four equivalent Cr and four equivalent Si atoms. All Mn–Si bond lengths are 2.42 Å. Si is bonded in a body-centered cubic geometry to eight equivalent Mn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn2CrSi by Materials Project

Mn2CrSi crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Mn2CrSi ribbons oriented in the (0, 1, 0) direction. Cr is bonded in a linear geometry to two equivalent Mn atoms. Both Cr–Mn bond lengths are 2.77 Å. Mn is bonded in a linear geometry to one Cr and one Si atom. The Mn–Si bond length is 2.32 Å. Si is bonded in a linear geometry to two equivalent Mn atoms.

36 MATERIALS SCIENCE↗