On Anomalous Fluorescence of Symmetrical Polymethine Dyes

Table 1

Characters of the C_2v group and assigning the coordinate axes, translations (T), rotations (R), the number of vibrational modes (n), and σ-MO and π-MO of the PMD-I molecule to them.

C2v	E	C2	σh	σv		T	R	N	n	σ	π
A1	1	1	1	1	y	1	0	44	43	23	0
A2	1	1	−1	−1		0	1	21	20	0	8
B1	1	−1	1	−1	x	1	1	44	42	22	0
B2	1	−1	−1	1	z	1	1	23	21	0	9
X	1	−1	1	−1
Y	1	1	1	1
Z	1	−1	−1	1
T	3	−1	1	1
R	3	−1	−1	−1
N	132	−2	44	2
σ- МО	44	2	44	2
π- МО	17	−1	−17	1