space group

Noun

Meaning

space group (plural space groups)

(crystallography, mineralogy) The set of all symmetry operations that can be applied to a given crystal without changing it.

Source: en.wiktionary.org

Examples

Greenwood, p. 1275 Chemical compounds Here a, b and c are lattice constants in picometers, No is space group number and Z is the number of formula units per unit cell ; fcc stands for the face-centered cubic symmetry. Source: Internet

Judson describes how Watson spent a large amount of time ignoring Crick's belief (based on Franklin's determination of the space group) that the two backbone strands were antiparallel. Source: Internet

The bromide is an exception with the orthorhombic PuBr 3 -type structure and space group Cmcm. Source: Internet

Seldom, a third hexagonal structure of space group may be observed (Type H). Source: Internet

So, chloride (AmCl 3 ) is reddish and has a structure isotypic to uranium(III) chloride (space group P6 3 /m) and the melting point of 715 °C. Source: Internet

Space groups In addition to the operations of the point group, the space group of the crystal structure contains translational symmetry operations. Source: Internet

Close letter words and terms

Space Forces space frame space genetics space guidance space gun space headgear