66 relations: Acta Crystallographica, Alkali metal halide, Aluminium, Atomic packing factor, Atomium, Binary phase, Bravais lattice, Cadmium telluride, Caesium chloride, Centrosymmetry, Chemistry, Chirality (chemistry), Chromium, Clathrate compound, Clathrate hydrate, Close-packing of equal spheres, Coordination number, Copper, Coxeter notation, Crystal, Crystal structure, Crystal system, Crystallographic point group, Crystallography, Cube, Diamond, Diamond cubic, Dislocation, Facet, Galena, Gallium arsenide, Gold, Halite, Hermann–Mauguin notation, Hexagonal crystal family, Hydrogen bond, Iron, Lattice (group), Lead(II) nitrate, Miller index, Mineral, Molecular geometry, Niobium, Octahedral symmetry, Octahedron, Orbifold, Orbital hybridisation, Pearson symbol, Petzite, Polonium, ..., Primitive cell, Pyrite, Reciprocal lattice, Schoenflies notation, Silver, Sodium chloride, Space group, Sphalerite, Tetradecahedron, Tetragonal crystal system, Tetrahedron, Tungsten, Ullmannite, Water, Weaire–Phelan structure, Zinc sulfide. Expand index (16 more) » « Shrink index
Acta Crystallographica is a series of peer-reviewed scientific journals, with articles centred on crystallography, published by the International Union of Crystallography (IUCr).
Alkali metal halides (also known as alkali halides) are the family of inorganic compounds with the chemical formula MX, where M is an alkali metal and X is a halogen.
Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.
In crystallography, atomic packing factor (APF), packing efficiency or packing fraction is the fraction of volume in a crystal structure that is occupied by constituent particles.
The Atomium is a landmark building in Brussels, originally constructed for the 1958 Brussels World's Fair (Expo 58).
In materials chemistry, a binary phase is chemical compound containing two different elements.
In geometry and crystallography, a Bravais lattice, named after, is an infinite array of discrete points in three dimensional space generated by a set of discrete translation operations described by: where ni are any integers and ai are known as the primitive vectors which lie in different directions and span the lattice.
Cadmium telluride (CdTe) is a stable crystalline compound formed from cadmium and tellurium.
Caesium chloride or cesium chloride is the inorganic compound with the formula CsCl.
In crystallography, a point group which contains an inversion center as one of its symmetry elements is centrosymmetric.
Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.
Chirality is a geometric property of some molecules and ions.
Chromium is a chemical element with symbol Cr and atomic number 24.
A clathrate is a chemical substance consisting of a lattice that traps or contains molecules.
Clathrate hydrates, or gas clathrates, gas hydrates, clathrates, hydrates, etc., are crystalline water-based solids physically resembling ice, in which small non-polar molecules (typically gases) or polar molecules with large hydrophobic moieties are trapped inside "cages" of hydrogen bonded, frozen water molecules.
In geometry, close-packing of equal spheres is a dense arrangement of congruent spheres in an infinite, regular arrangement (or lattice).
In chemistry, crystallography, and materials science the coordination number, also called ligancy, of a central atom in a molecule or crystal is the number of atoms, molecules or ions bonded to it.
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
In geometry, Coxeter notation (also Coxeter symbol) is a system of classifying symmetry groups, describing the angles between with fundamental reflections of a Coxeter group in a bracketed notation expressing the structure of a Coxeter-Dynkin diagram, with modifiers to indicate certain subgroups.
A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material.
In crystallography, the terms crystal system, crystal family and lattice system each refer to one of several classes of space groups, lattices, point groups or crystals.
In crystallography, a crystallographic point group is a set of symmetry operations, like rotations or reflections, that leave a central point fixed while moving other directions and faces of the crystal to the positions of features of the same kind.
Crystallography is the experimental science of determining the arrangement of atoms in crystalline solids (see crystal structure).
In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex.
Diamond is a solid form of carbon with a diamond cubic crystal structure.
The diamond cubic crystal structure is a repeating pattern of 8 atoms that certain materials may adopt as they solidify.
In materials science, a dislocation or Taylor's dislocation is a crystallographic defect or irregularity within a crystal structure.
Facets are flat faces on geometric shapes.
Galena, also called lead glance, is the natural mineral form of lead(II) sulfide.
Gallium arsenide (GaAs) is a compound of the elements gallium and arsenic.
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
Halite, commonly known as rock salt, is a type of salt, the mineral (natural) form of sodium chloride (NaCl).
In geometry, Hermann–Mauguin notation is used to represent the symmetry elements in point groups, plane groups and space groups.
In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes 2 crystal systems (hexagonal and trigonal) and 2 lattice systems (hexagonal and rhombohedral).
A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
In geometry and group theory, a lattice in \mathbbR^n is a subgroup of the additive group \mathbb^n which is isomorphic to the additive group \mathbbZ^n, and which spans the real vector space \mathbb^n.
Lead(II) nitrate is an inorganic compound with the chemical formula Pb(NO3)2.
Miller indices form a notation system in crystallography for planes in crystal (Bravais) lattices.
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule.
Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41.
A regular octahedron has 24 rotational (or orientation-preserving) symmetries, and a symmetry order of 48 including transformations that combine a reflection and a rotation.
In geometry, an octahedron (plural: octahedra) is a polyhedron with eight faces, twelve edges, and six vertices.
In the mathematical disciplines of topology, geometry, and geometric group theory, an orbifold (for "orbit-manifold") is a generalization of a manifold.
In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals into new hybrid orbitals (with different energies, shapes, etc., than the component atomic orbitals) suitable for the pairing of electrons to form chemical bonds in valence bond theory.
The Pearson symbol, or Pearson notation, is used in crystallography as a means of describing a crystal structure, and was originated by W.B. Pearson.
The mineral petzite, Ag3AuTe2, is a soft, steel-gray telluride mineral generally deposited by hydrothermal activity.
Polonium is a chemical element with symbol Po and atomic number 84.
In geometry, crystallography, mineralogy, and solid state physics, a primitive cell is a minimum volume cell (a unit cell) corresponding to a single lattice point of a structure with discrete translational symmetry.
The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide).
In physics, the reciprocal lattice represents the Fourier transform of another lattice (usually a Bravais lattice).
The Schoenflies (or Schönflies) notation, named after the German mathematician Arthur Moritz Schoenflies, is one of two conventions commonly used to describe point groups.
Silver is a chemical element with symbol Ag (from the Latin argentum, derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47.
Sodium chloride, also known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.
In mathematics, physics and chemistry, a space group is the symmetry group of a configuration in space, usually in three dimensions.
Sphalerite ((Zn, Fe)S) is a mineral that is the chief ore of zinc.
A tetradecahedron with ''D2d'' symmetry, existing in the Weaire–Phelan structure A tetradecahedron is a polyhedron with 14 faces.
In crystallography, the tetragonal crystal system is one of the 7 crystal systems.
In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.
Tungsten, or wolfram, is a chemical element with symbol W (referring to wolfram) and atomic number 74.
Ullmannite is a nickel antimony sulfide mineral with formula: NiSbS.
Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
In geometry, the Weaire–Phelan structure is a complex 3-dimensional structure representing an idealised foam of equal-sized bubbles.
Zinc sulfide (or zinc sulphide) is an inorganic compound with the chemical formula of ZnS.
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