Sinoite is a native element or alloy mineral with the formula Si2N2O, crystallizing in the orthorhombic system. It has a calculated density of 2.817 g/cm3. Its streak is white.
Crystallography
Crystal system
orthorhombic crystal systemWikidata (CC0)
Space group
C m c 21
Cell (Å, °)
a = 8.869, b = 5.493, c = 4.849; α = 90, β = 90, γ = 90
Cell volume
236.2 ų, Z = 4
Axial ratios
1.6146:1:0.8828calculated from COD 1001780
Source structure
COD 1001780 (Materials Research Bulletin, 1980) — 1 of 4 structures
Powder X-ray diffraction (calculated)
d (Å)
4.434
3.364
4.67
2.425
2.39
2.603
I/I₀
100
97.4
50.9
44.4
37.3
30.6
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 1001780; idealized occupancies, no preferred orientation.