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	hartrees
Energy at 0K	-581.221501
Energy at 298.15K	-581.227469
HF Energy	-581.221501
Nuclear repulsion energy	89.823353

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2295	2067	0.00
2	A_1g	975	878	0.00
3	A_1g	407	367	0.00
4	A_1u	118	107	0.00
5	A_2u	2279	2052	171.37
6	A_2u	903	813	683.60
7	E_g	2282	2054	0.00
7	E_g	2282	2054	0.00
8	E_g	1015	914	0.00
8	E_g	1015	914	0.00
9	E_g	676	608	0.00
9	E_g	676	608	0.00
10	E_u	2290	2062	252.47
10	E_u	2290	2062	252.47
11	E_u	1028	926	141.25
11	E_u	1028	926	141.25
12	E_u	416	375	34.88
12	E_u	416	375	34.88

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.192
Si2	0.000	0.000	-1.192
H3	0.000	1.394	1.700
H4	-1.208	-0.697	1.700
H5	1.208	-0.697	1.700
H6	0.000	-1.394	-1.700
H7	-1.208	0.697	-1.700
H8	1.208	0.697	-1.700

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3850	1.4840	1.4840	1.4840	3.2114	3.2114	3.2114
Si2	2.3850		3.2114	3.2114	3.2114	1.4840	1.4840	1.4840
H3	1.4840	3.2114		2.4150	2.4150	4.3980	3.6756	3.6756
H4	1.4840	3.2114	2.4150		2.4150	3.6756	3.6756	4.3980
H5	1.4840	3.2114	2.4150	2.4150		3.6756	4.3980	3.6756
H6	3.2114	1.4840	4.3980	3.6756	3.6756		2.4150	2.4150
H7	3.2114	1.4840	3.6756	3.6756	4.3980	2.4150		2.4150
H8	3.2114	1.4840	3.6756	4.3980	3.6756	2.4150	2.4150

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.017	Si1	Si2	H7	110.017
Si1	Si2	H8	110.017	Si2	Si1	H3	110.017
Si2	Si1	H4	110.017	Si2	Si1	H5	110.017
H3	Si1	H4	108.920	H3	Si1	H5	108.920
H4	Si1	H5	108.920	H6	Si2	H7	108.920
H6	Si2	H8	108.920	H7	Si2	H8	108.920

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: HF/SDD

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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Number	Element	Mulliken
1	Si	0.444
2	Si	0.444
3	H	-0.148
4	H	-0.148
5	H	-0.148
6	H	-0.148
7	H	-0.148
8	H	-0.148

<r²>	89.779
(<r²>)^1/2	9.475

All results from a given calculation for Si2H6 (disilane)

using model chemistry: HF/SDD

States and conformations

All results from a given calculation for Si₂H₆ (disilane)