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Optical Absorption and Structure of a Highly Symmetrical Neptunium( V ) Diamide Complex
Author(s) -
Tian Guoxin,
Xu Jide,
Rao Linfeng
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200501281
Subject(s) - neptunium , absorption (acoustics) , dipole , absorption spectroscopy , ion , electric dipole transition , chemistry , analytical chemistry (journal) , crystallography , nuclear chemistry , physics , magnetic dipole , optics , actinide , environmental chemistry , organic chemistry
A reflection on neptunium absorption : The absorption spectrum of Np V around 980 nm originates from a 5f→5f electric‐dipole transition, which is allowed if the Np V ion lies in a coordination environment that lacks a center of inversion, such as in [NpO 2 (H 2 O) 5 ] + . However, the transition is completely forbidden by Laporte's rule in the highly symmetrical Np V diamide complex [NpO 2 (L) 2 ] + (see structure; Np green, O red, N blue, C gray).
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