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configuration (electronic) definition
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A distribution of the electrons of an atom or a molecular entity over a set of one-electron wavefunctions called orbitals, according to the Pauli principle. From one configuration several states with different multiplicities may result. For example, the ground electronic configuration of the oxygen molecule (O2) is

1g2, 1u2, 2g2, 2u2, 1u4, 3g2, 1g2resulting in the

3g, 1g, and 3g+ multipletsIUPAC PHOTOCHEMICAL GLOSSARY (1992).

See also:
conversation definition
compound transfer definition
conform definition
Conformational Analysis definition
connectivity definition
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