it has been well known that attention must be paid to photoselection, linear dichroism, and birefringence effects: important caveats with relative examples have been
0.001
Trans(~25%)
cis(~75%)
trans-(R)
X
–
=CH 3 COO
–
1
0
450
550
650
R
R
S
S
R
S


0
Pt
Pt
N
N
X
X
5
5
4
4
4
N
N
3
3
b
a
8
7
6
5
c
4
C
C
N
N
Pt
3
2
2
2
H 2 N
H 2 N
–0.001
0.002

0
–0.002
450
550
650
nm
nm
1
0
450
550
650
R
S

nm
450
550
650 nm
–
–
Fig. 10.12 (Left): Chemical structure of [(ppy)Pt((R)-Campy)]
+ CH 3 COO
À (ppy ¼ phenyl pyridine; Campy ¼ 5,6,7,8-tetrahydroquinolin-8-amine), CPL and fluorescence spectra in water solution, and a mixture of trans and cis isomers are presented. (Right): Chemical structure of the
dichelated trans-[PtL
CN
2 ], and CPL and fluorescence spectra are presented
10 Structural and Electronic Information Drawn. . .
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