Information card for entry 1522108

Structure parameters

• Chemical name: Er4 (Ga1.355 Ge5.645)
• Formula: Er4 Ga1.355 Ge5.645
• Calculated formula: Er4 Ga1.3545 Ge5.6455
• Title of publication: Evolution of the non-stoichiometry in the Er (Ge1-x Gax)2 compounds. Crystal structure of Er4 (Ge, Ga)7, a new hexagonal Al B2 derivative
• Authors of publication: Venturini, G.; Verniere, A.; Malaman, B.
• Journal of publication: Journal of Alloys Compd.
• Year of publication: 1999
• Journal volume: 291
• Pages of publication: 201 - 207
• a: 7.964 Å
• b: 7.964 Å
• c: 4.095 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 224.93 ų
• Number of distinct elements: 3
• Space group number: 187
• Hermann-Mauguin space group symbol: P -6 m 2
• Hall space group symbol: P -6 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No