inorganic chemistry
cleavage (Y 1 ) and CO elimination (Y 2 ) was evaluated as Y 1 / Y 2 ¼0.13 ( 35 ). Irradiation of LnMRe(CO) 3 (L–L) (LnM¼(CO) 5 ...
(CF 3 SO 3 ) (L–L¼2,2^0 -bipyrimidine (bpm), 4,4^0 -dimethyl-2,2^0 - bipyridine (dmb), 2,2^0 -bipyridine (bpy), and 1,10-phenant ...
D. PHOTOCHEMICALLIGANDSUBSTITUTIONREACTION OF fac-[Re(DIIMINE)(CO) 3 PR 3 ]þ Recently, the excited states of the rhenium complex ...
(OEt) 3 }(CH 3 CN)]þ, in which an MeCN ligand occupies a position trans to the P(OEt) 3 ligand. This product was obtained quanti ...
ligands were bleached, and other three absorption peaks (at 1970, 2017,2070 cm^1 ) attributed to the lowest excited state, (^ ...
energies of these states can be controlled by systematic chemical modification of the bipyridine and axial ligands. In doing so, ...
should cause stabilization (destabilization) of thep* orbital of the bipyridine ligand, with only a small effect on the central ...
state from the^3 MLCT state (Scheme 2) and by using Eqs. (5)–(10) as shown in Figs. 11 and 12. kr¼ Fr te ¼k^0 rexp DE RT ð 5 ...
Interestingly, this effect was inversely proportional to the energy of the^3 MLCT state (E 00 in Tables III and IV). Therefore, ...
TABLE IV T HERMODYNAMIC D ATA FOR THE P HOTOCHEMICAL L IGAND SUBSTITUTION R EACTIONS OF [Re(X bpy)(CO) 2 (PR 3 )] 3 þ (^3 ) IN C ...
as the excitation energy of the^3 MLCT state (E 00 ). However, var- iation of the phosphorous ligand, which should give larger e ...
as the energy caused by dependence of the solvent viscosity on temperature, and therefore, it should not be attributed toDG6¼ of ...
E. MULTINUCLEARRHENIUM(I) COMPLEXES Because of the significant features of the rhenium(I) complexes, such as strong photoabsorpt ...
“molecular polygons”because various kinds of molecules could be introduced into these complexes as the diimine ligand and the mo ...
OR OR RO RO RO OR OC OC CO Re N RO OR OC OC OC Br Re N OC CO R = C 6 H 13 , C 12 H 25 Br Re CO NN N OC L = R = -(CH 2 ) 3 CH 3 , ...
by the edge Re(I) tricarbonyl units is rapidly transferred to the interior units( 49 ). The photophysical properties of linear-s ...
TABLE VI P HOTOPHYSICAL P ROPERTIES OF [Re(bpy)(CO) (dppe){Re(bpy)(CO) 3 (dppe)} 2 N Re(bpy)(CO) 2 ] 3 Nþ C OMPLEXES a. n lem ( ...
photochemical reactions. Irradiation of1ausing 313-nm light in an Ar-saturated acetonitrile solution gave (OC-6-34)-[Re(bpy) (CO ...
G. PHOTOCHEMICALREACTIONS OF THELIGAND INRe(I) COMPLEXES Three types of photochemical reactions of the ligand in rhenium(I) diim ...
CO CO CO TEA/DMF Ar sat. Re Br N N CO CO CO Re Br C 2 H 5 N hn (l> 400 nm) N ð 14 Þ The formation yield was 10–43% depending ...
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