Information card for entry 9013139

Structure parameters

• Mineral name: Nierite
• Formula: N4 Si3
• Calculated formula: N4 Si3
• Title of publication: Two phase refinements of the structures of a-Si3N4 and B-Si3N4 made from rice husk by Rietveld analysis Locality: synthetic Sample: Alpha phase Note: changed N4 location to match reported bond distances
• Authors of publication: Yang, P.; Fun, H.-K.; Rahman, I. A.; Saleh, M. I.
• Journal of publication: Ceramics International
• Year of publication: 1995
• Journal volume: 21
• Pages of publication: 137 - 142
• a: 7.765 Å
• b: 7.765 Å
• c: 5.6275 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 293.852 ų
• Number of distinct elements: 2
• Space group number: 159
• Hermann-Mauguin space group symbol: P 3 1 c
• Hall space group symbol: P 3 -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No