35Cl Nuclear Quadrupole Resonance from Some Charge‐Transfer Complexes

1967 ◽  
Vol 47 (11) ◽  
pp. 4855-4856 ◽  
Author(s):  
Robert A. Bennett ◽  
H. O. Hooper
Keyword(s):  
Charge Transfer ◽  
Nuclear Quadrupole Resonance ◽  
Charge Transfer Complexes ◽  
Quadrupole Resonance ◽  
Nuclear Quadrupole ◽  
35Cl Nuclear Quadrupole Resonance

Nuclear quadrupole resonance of charge-transfer complexes. II. The aminehalogen complexes

1969 ◽  
Vol 22 (10) ◽  
pp. 2047 ◽  
Author(s):  
GA Bowmaker ◽  
S Hacobian
Keyword(s):  
Charge Transfer ◽  
Nuclear Quadrupole Resonance ◽  
Charge Transfer Complexes ◽  
Iodine Monochloride ◽  
Bonding Theory ◽  
Resonance Frequencies ◽  
Quadrupole Resonance ◽  
Iodine Monobromide ◽  
Nuclear Quadrupole ◽  
Electronic Ground

Nuclear quadrupole resonance frequencies have been measured for some of the halogen nuclei in a number of crystalline charge-transfer complexes of amines with bromide, iodine, iodine monobromide, and iodine monochloride. From these measurements it has been possible to calculate approximate charge distributions for the bromine, iodine monobromide, and iodine monochloride complexes of 3,5-di-bromopyridine. The results correlate well with a three-centre delocalized LCAO-MO bonding theory. The correlation of this MO description with Mulliken's charge-transfer bonding scheme for n-σ complexes is discussed. This approach indicates the importance of considering an ?ionic? structure (which does not involve transfer of charge from the donor to the acceptor) in the electronic ground state of these complexes.

Nuclear quadrupole resonance of charge transfer complexes. I. The trihalide ions

1968 ◽  
Vol 21 (3) ◽  
pp. 551 ◽  
Author(s):  
GA Bowmaker ◽  
S Hacobian
Keyword(s):  
Charge Transfer ◽  
Nuclear Quadrupole Resonance ◽  
Charge Distribution ◽  
Crystal Field ◽  
Charge Transfer Complexes ◽  
Halogen Atoms ◽  
Charge Distributions ◽  
Resonance Frequencies ◽  
Quadrupole Resonance ◽  
Nuclear Quadrupole

The nuclear quadrupole resonance frequencies of the halogen atoms in the trihalide ions 13 and Ibr2 in some of their crystalline salts have been measured. The results have been correlated with a simple LOAD-MO bonding description and the charge distributions in the ions have been calculated. These ions can be regarded as charge-transfer complexes as described by Mulliken. The effect of the crystal field on the charge distribution in the I3 ion has been investigated.

35Cl Nuclear Quadrupole Resonance in NH4H(ClCH2COO)2

1968 ◽  
Vol 25 (1) ◽  
pp. 291-291 ◽  
Author(s):  
Taisei Yamamoto ◽  
Nobuo Nakamura ◽  
Hideaki Chihara
Keyword(s):  
Nuclear Quadrupole Resonance ◽  
Quadrupole Resonance ◽  
Nuclear Quadrupole ◽  
35Cl Nuclear Quadrupole Resonance
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