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	hartrees
Energy at 0K	-581.666153
Energy at 298.15K	-581.672054
HF Energy	-581.380689
Nuclear repulsion energy	90.881336

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2281	2166	0.00
2	A_1g	946	898	0.00
3	A_1g	443	420	0.00
4	A_1u	141	133	0.00
5	A_2u	2273	2159	114.05
6	A_2u	871	827	537.89
7	E_g	2280	2166	0.00
7	E_g	2280	2166	0.00
8	E_g	965	917	0.00
8	E_g	965	917	0.00
9	E_g	645	612	0.00
9	E_g	645	612	0.00
10	E_u	2289	2174	195.68
10	E_u	2289	2174	195.68
11	E_u	980	931	92.03
11	E_u	980	931	92.03
12	E_u	374	355	22.87
12	E_u	374	355	22.87

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.172
Si2	0.000	0.000	-1.172
H3	0.000	1.388	1.681
H4	-1.202	-0.694	1.681
H5	1.202	-0.694	1.681
H6	0.000	-1.388	-1.681
H7	-1.202	0.694	-1.681
H8	1.202	0.694	-1.681

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3438	1.4786	1.4786	1.4786	3.1729	3.1729	3.1729
Si2	2.3438		3.1729	3.1729	3.1729	1.4786	1.4786	1.4786
H3	1.4786	3.1729		2.4043	2.4043	4.3605	3.6377	3.6377
H4	1.4786	3.1729	2.4043		2.4043	3.6377	3.6377	4.3605
H5	1.4786	3.1729	2.4043	2.4043		3.6377	4.3605	3.6377
H6	3.1729	1.4786	4.3605	3.6377	3.6377		2.4043	2.4043
H7	3.1729	1.4786	3.6377	3.6377	4.3605	2.4043		2.4043
H8	3.1729	1.4786	3.6377	4.3605	3.6377	2.4043	2.4043

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.149	Si1	Si2	H7	110.149
Si1	Si2	H8	110.149	Si2	Si1	H3	110.149
Si2	Si1	H4	110.149	Si2	Si1	H5	110.149
H3	Si1	H4	108.785	H3	Si1	H5	108.785
H4	Si1	H5	108.785	H6	Si2	H7	108.785
H6	Si2	H8	108.785	H7	Si2	H8	108.785

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: MP2/aug-cc-pVQZ

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for Si2H6 (disilane)

using model chemistry: MP2/aug-cc-pVQZ

States and conformations

All results from a given calculation for Si₂H₆ (disilane)