Information card for entry 1536017

Structure parameters

• Chemical name: K3 Er (Si2 O7)
• Formula: Er K3 O7 Si2
• Calculated formula: Er K3 O7 Si2
• Title of publication: Crystal growth, structure determination and optical properties of new potassium-rare-earth silicates K3 RE Si2 O7 (RE = Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu)
• Authors of publication: Vidican, I.; zur Loye, H.C.; Smith, M.D.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 2003
• Journal volume: 170
• Pages of publication: 203 - 210
• a: 9.8212 Å
• b: 9.8212 Å
• c: 14.2986 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1194.41 ų
• Number of distinct elements: 4
• Space group number: 193
• Hermann-Mauguin space group symbol: P 63/m c m
• Hall space group symbol: -P 6c 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No