Download Structure Types. Part 5: Space Groups (173) P63 - (166) R-3m by P. Villars, K. Cenzual, J. Daams (auth.), P. Villars, K. PDF

By P. Villars, K. Cenzual, J. Daams (auth.), P. Villars, K. Cenzual (eds.)

In the Nineteen Seventies Landolt-Börnstein released a sequence of volumes containing crystallographic information for natural (III/5 constitution facts of natural Crystals), intermetallic (III/6 constitution facts of components and Intermetallic levels) and inorganic compounds (III/7 Crystal constitution information of Inorganic Compounds). through the 30 years that experience handed, the experimental equipment resulting in a whole constitution decision have significantly stronger and the massive variety of crystal buildings recognized this present day justifies the e-book of a brand new compilation. the current quantity will disguise either intermetallic and classical inorganic compounds, a transparent restrict having been drawn through except compounds that include C-H bonds. while the sooner variation indexed house group/crystal process and mobile parameters for various periods of compounds, we have now the following selected a special method through grouping recognized crystal constructions into constitution kinds. The constitution kind idea is known between inorganic compounds, the place the variety of isotypic compounds can achieve a number of hundreds of thousands. the 1st subvolumes will comprise entire crystallographic facts units, together with atom coordinates, that signify specified constitution varieties, while the final subvolumes will checklist cellphone parameters of isotypic compounds. The crystallographic facts are observed via feedback and crystallographic positive aspects universal to isotypic compounds, comparable to the atomic environments, a quick description of the most structural good points, and drawings of chosen constitution types.

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Structure Types. Part 5: Space Groups (173) P63 - (166) R-3m

Within the Seventies Landolt-Börnstein released a sequence of volumes containing crystallographic facts for natural (III/5 constitution info of natural Crystals), intermetallic (III/6 constitution info of components and Intermetallic stages) and inorganic compounds (III/7 Crystal constitution facts of Inorganic Compounds).

Additional info for Structure Types. Part 5: Space Groups (173) P63 - (166) R-3m

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3.. 3.. 3.. 2956 1 2 occ. 029 Remarks: Natural specimen from Saga, Tvedalen, Oslo region, Norway. 1 % F detected by chromatography. In [1] the origin of the cell is shifted by 2/31/3 0 from the description in the International Tables for Crystallography. 008 (from the description of the structure; checked on interatomic distances). Hydrogen atoms are not taken into consideration for Pearson symbol, Wyckoff sequence and atomic environments. : Neues Jahrb. , Abh. 162 (1990) 101–116. 1007/978-3-540-46933-9_12 # Springer 2007 KLi[SO4] 1 KLi[SO4] Structure Types hP18 KLi[SO4] (173) P63 – c2b2a KLiSO4 form IV [1]; KAlSiO4 [2] Structural features: K and Li atoms and SO4 tetrahedra (splitting of the out-of-plane vertex) in a ZrBeSi-type arrangement.

C 41 (1985) 306–307. : Mater. Res. Bull. 11 (1976) 1527–1532. : J. Less-Common Met. 105 (1985) L5–L7. 1007/978-3-540-46933-9_11 # Springer 2007 Be2[BO3][OH][H2O] 1 Be2[BO3][OH][H2O] Structure Types hP16 Be2[BO3][OH][H2O] (173) P63 – cb3a2 Be2(BO3)OH H2O 2H [1], berborite-2H Structural features: Be(O3[OH]) tetrahedra and BO3 trigonal units share vertices to form infinite slabs perpendicular to [001]. Giuseppetti G. et al. 1810 nm3, Z = 2 site Wyck. sym. x y z O1 Be2 O3 B4 Be5 O6 H7 H8 6c 2b 2b 2b 2a 2a 6c 6c 1 3..

Et al. 2720 nm3, Z = 2 site Wyck. sym. x y z S1 Nb2 S3 Pb4 6c 6c 2b 2a 1 1 3.. 3.. 0 occ. 028 Remarks: Short interatomic distances for partly occupied site(s). Refinements of TlxV3S4 in space group (173) P63 with different distributions of Tl are reported in [2] and [3]. : Acta Crystallogr. C 41 (1985) 306–307. : Mater. Res. Bull. 11 (1976) 1527–1532. : J. Less-Common Met. 105 (1985) L5–L7. 1007/978-3-540-46933-9_11 # Springer 2007 Be2[BO3][OH][H2O] 1 Be2[BO3][OH][H2O] Structure Types hP16 Be2[BO3][OH][H2O] (173) P63 – cb3a2 Be2(BO3)OH H2O 2H [1], berborite-2H Structural features: Be(O3[OH]) tetrahedra and BO3 trigonal units share vertices to form infinite slabs perpendicular to [001].

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