Pearson Symbol
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High Quality Content by WIKIPEDIA articles! 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 first two letters specify the Bravais lattice, the first lower case letter specifying the crystal class, and the second upper case letter the lattice type. The number suffix is the number of the atoms in the unit cell. IUPAC (2005) recommends that this symbol can be used to specify the structure of inorganic solids where there is possible ambiguity, and should be italicised. The Pearson symbol does n...
High Quality Content by WIKIPEDIA articles! 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 first two letters specify the Bravais lattice, the first lower case letter specifying the crystal class, and the second upper case letter the lattice type. The number suffix is the number of the atoms in the unit cell. IUPAC (2005) recommends that this symbol can be used to specify the structure of inorganic solids where there is possible ambiguity, and should be italicised. The Pearson symbol does not uniquely identify the space group of a crystal structure, for example both the NaCl structure, (space group Fm3m) and diamond (space group Fd3m) have the same Pearson symbol cF8.
