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	hartrees
Energy at 0K	-581.339200
Energy at 298.15K	-581.345235
HF Energy	-581.339200
Nuclear repulsion energy	89.933532

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2305	2093	0.00
2	A_1g	1010	917	0.00
3	A_1g	439	399	0.00
4	A_1u	133	121	0.00
5	A_2u	2291	2080	172.59
6	A_2u	928	842	661.91
7	E_g	2291	2080	0.00
7	E_g	2291	2080	0.00
8	E_g	1012	919	0.00
8	E_g	1012	919	0.00
9	E_g	684	621	0.00
9	E_g	684	621	0.00
10	E_u	2300	2089	281.72
10	E_u	2300	2089	281.72
11	E_u	1028	933	123.44
11	E_u	1028	933	123.44
12	E_u	399	362	29.13
12	E_u	399	362	29.13

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.187
Si2	0.000	0.000	-1.187
H3	0.000	1.397	1.701
H4	-1.210	-0.699	1.701
H5	1.210	-0.699	1.701
H6	0.000	-1.397	-1.701
H7	-1.210	0.699	-1.701
H8	1.210	0.699	-1.701

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3743	1.4887	1.4887	1.4887	3.2083	3.2083	3.2083
Si2	2.3743		3.2083	3.2083	3.2083	1.4887	1.4887	1.4887
H3	1.4887	3.2083		2.4201	2.4201	4.4026	3.6777	3.6777
H4	1.4887	3.2083	2.4201		2.4201	3.6777	3.6777	4.4026
H5	1.4887	3.2083	2.4201	2.4201		3.6777	4.4026	3.6777
H6	3.2083	1.4887	4.4026	3.6777	3.6777		2.4201	2.4201
H7	3.2083	1.4887	3.6777	3.6777	4.4026	2.4201		2.4201
H8	3.2083	1.4887	3.6777	4.4026	3.6777	2.4201	2.4201

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.192	Si1	Si2	H7	110.192
Si1	Si2	H8	110.192	Si2	Si1	H3	110.192
Si2	Si1	H4	110.192	Si2	Si1	H5	110.192
H3	Si1	H4	108.741	H3	Si1	H5	108.741
H4	Si1	H5	108.741	H6	Si2	H7	108.741
H6	Si2	H8	108.741	H7	Si2	H8	108.741

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: HF/cc-pVDZ

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	0.308
2	Si	0.308
3	H	-0.103
4	H	-0.103
5	H	-0.103
6	H	-0.103
7	H	-0.103
8	H	-0.103

<r²>	88.820
(<r²>)^1/2	9.424

All results from a given calculation for Si2H6 (disilane)

using model chemistry: HF/cc-pVDZ

States and conformations

All results from a given calculation for Si₂H₆ (disilane)