FCT/ZTF

[ The crystallographic site at the Condensed Matter Physics Dept. of the University of the Basque Country ]

[ Space Groups ] [ Layer Groups ] [ Rod Groups ] [ Frieze Groups ] [ Wyckoff Sets ]

Sections Retrieval Tools Group-Subgroup Representations Solid State Structure Utilities Subperiodic ICSDB Contact us About us Links Publications How to cite the server? New programs and updates: New article! 9-2009: D. Orobengoa, C. Capillas, M.I. Aroyo & J. M. Perez-Mato. "AMPLIMODES: symmetry-mode analysis on the Bilbao Crystallographic Server". J. Appl. Cryst. (2009), A42, 820-833. INDEX 6-2009: Index for a group subgroup relation. VISUALIZE 6-2009: Visualize structures using Jmol. TRANSTRU 6-2009: New option for TRANSTRU: Transform structures using an arbitrary matrix. AMPLIMODES 06-2009: Added the option to make pairings by hand. SYMMETRY OPERATIONS 06-2009: Geometric interpretation of matrix column representations of symmetry operations. EQUIVSTRU 05-2009: Added specialized metrics Euclidean normalizers. AMPLIMODES for FullProf 10-2008: Refine your structures with FullProf using symmetry modes. TRANSTRU 5-2008: Transform structures. NORMALIZER 9-2007: Added specialized metrics Euclidean normalizers. AMPLIMODES 2-2008: Symmetry Mode Analysis of Structural Phase Transitions. CELLSUPER 10-2007: New version of program CELLSUPER. TRANPATH 7-2007: Minor update and fixes. SUPERGROUPS 6-2007: Added link to Wyckoff Positions splitting. SERIES 1-2007: New version of series of maximal isomorphic subgroups for a given maximum index. SIMPLE RETRIEVAL TOOLS 1-2007: Minor upgrade for GENPOS, WYCKPOS, MAXSUB and SERIES programs. HERMANN 1-2007: New version of program HERMANN. SETSTRU 1-2007: CIF input data, JMOL visualization and minor bugs fixed WPASSIGN & EQUIVSTRU 1-2007: CIF input data and JMOL visualization Results in text/plain format Results in text/xml format

Space Groups Retrieval Tools GENPOS Generators and General Positions of Space Groups WYCKPOS Wyckoff Positions of Space Groups HKLCOND Reflection conditions of Space Groups MAXSUB Maximal Subgroups of Space Groups SERIES Series of Maximal Isomorphic Subgroups of Space Groups WYCKSETS Equivalent Sets of Wyckoff Positions NORMALIZER Normalizers of Space Groups KVEC The k-vector types and Brillouin zones of Space Groups SYMMETRY OPERATIONS Geometric interpretation of matrix column representations of symmetry operations Group - Subgroup Relations of Space Groups SUBGROUPGRAPH Lattice of Maximal Subgroups HERMANN Distribution of subgroups in conjugated classes COSETS Coset decomposition for a group-subgroup pair WYCKSPLIT The splitting of the Wyckoff Positions MINSUP Minimal Supergroups of Space Groups SUPERGROUPS Supergroups of Space Groups CELLSUB List of subgroups for a given k-index. CELLSUPER List of supergroups for a given k-index. NONCHAR Non Characteristic orbits. COMMONSUBS Common Subgroups of Space Groups COMMONSUPER Common Supergroups of Two Space Groups INDEX Index of a group subgroup pair Representation Theory Applications REPRES Space Groups Representations DIRPRO Direct Products of Space Group Irreducible Representations CORREL Correlations Between Representations POINT Point Group Tables SITESYM Site-symmetry induced representations of Space Groups Solid State Theory Applications SAM Spectral Active Modes (IR and RAMAN Selection Rules) NEUTRON Neutron Scattering Selection Rules SYMMODES Primary and Secondary Modes for a Group - Subgroup pair AMPLIMODES Symmetry Mode Analysis PSEUDO Pseudosymmetry Search in a Structure DOPE Degree of Pseudosymmetry Estimation BPLOT Pseudosymmetry Search with KPLOT TRANPATH Transition Paths (Group not subgroup relations) Structure Utilities CELLTRAN Transform Unit Cells STRAIN Strain Tensor Calculation WPASSIGN Assignment of Wyckoff Positions TRANSTRU Transform structures. SETSTRU Alternative Settings for a given Crystal Structure EQUIVSTRU Equivalent Descriptions for a given Crystal Structure VISUALIZE Visualize structures using Jmol Subperiodic Groups: Layer, Rod and Frieze Groups Retrieval Tools GENPOS Generators and General Positions of Subperiodic Groups WPOS Wyckoff Positions of Subperiodic Groups MAXSUB Maximal Subgroups of Subperiodic Groups Databases ICSDB Inconmensurate Crystal Structure Database

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