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Cover Picture: Chem. Eur. J. 21/2002
Author(s) -
Del Sesto Rico E.,
Miller Joel S.,
Lafuente Pilar,
Novoa Juan J.
Publication year - 2002
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/1521-3765(20021104)8:21<4821::aid-chem4821>3.0.co;2-y
Subject(s) - dichloromethane , cover (algebra) , dimer , crystallography , chemistry , organic chemistry , engineering , mechanical engineering , solvent
The cover picture shows the b 2g HOMO for [TCNE] .− , the structure (top, middle) and bonding of the π‐[TCNE] 2 2− dimer and its b 2u HOMO and b 1g LUMO. At the bottom of the picture solutions of [Et 4 N] 2 [TCNE] 2 in dichloromethane solution at room temperature, which is yellow due to the presence of [TCNE] .− , and at −90 °C, which is red due to shifting of the 2 [TCNE] .− ⇌ [TCNE] 2 2− equilibrium to the right, thus forming [TCNE] 2 2− in solution. For more details see the article by J. S. Miller et al. on p. 4894 ff.