Theoretical Study on the Static (Hyper)Polarizabilities of α-t-Bu-ω-CN-Poly(methylphenyl)silane

Table 5

The electron correlation effect of α-t-Bu-ω-CN-poly(methylphenyl)silane (n = 2, 4, 6). All quantities are in a.u.

𝑛	CPHF	MP2	MP2/CPHF
2
𝜇0	1.95	1.86	0.95
𝛼0	354.10	376.09	1.06
𝛽0	77.2	111.0	1.43
4
𝜇0	2.00	1.91	0.96
𝛼0	557.54	590.66	1.06
𝛽0	139.7	250.2	1.79
6
𝜇0	2.03	1.94	0.96
𝛼0	754.27	807.87	1.07
𝛽0	197.7	405.1	2.05