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	hartrees
Energy at 0K	-581.375485
Energy at 298.15K	-581.381562
HF Energy	-581.375485
Nuclear repulsion energy	90.349405

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2310	2109	0.00
2	A_1g	1022	933	0.00
3	A_1g	442	404	0.00
4	A_1u	135	124	0.00
5	A_2u	2296	2096	169.26
6	A_2u	940	859	659.11
7	E_g	2293	2094	0.00
7	E_g	2293	2094	0.00
8	E_g	1018	930	0.00
8	E_g	1018	930	0.00
9	E_g	688	629	0.00
9	E_g	688	629	0.00
10	E_u	2303	2103	291.00
10	E_u	2303	2103	291.00
11	E_u	1033	943	117.17
11	E_u	1033	943	117.17
12	E_u	402	367	28.73
12	E_u	402	367	28.73

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.183
Si2	0.000	0.000	-1.183
H3	0.000	1.387	1.697
H4	-1.201	-0.693	1.697
H5	1.201	-0.693	1.697
H6	0.000	-1.387	-1.697
H7	-1.201	0.693	-1.697
H8	1.201	0.693	-1.697

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3659	1.4790	1.4790	1.4790	3.1965	3.1965	3.1965
Si2	2.3659		3.1965	3.1965	3.1965	1.4790	1.4790	1.4790
H3	1.4790	3.1965		2.4019	2.4019	4.3833	3.6666	3.6666
H4	1.4790	3.1965	2.4019		2.4019	3.6666	3.6666	4.3833
H5	1.4790	3.1965	2.4019	2.4019		3.6666	4.3833	3.6666
H6	3.1965	1.4790	4.3833	3.6666	3.6666		2.4019	2.4019
H7	3.1965	1.4790	3.6666	3.6666	4.3833	2.4019		2.4019
H8	3.1965	1.4790	3.6666	4.3833	3.6666	2.4019	2.4019

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.343	Si1	Si2	H7	110.343
Si1	Si2	H8	110.343	Si2	Si1	H3	110.343
Si2	Si1	H4	110.343	Si2	Si1	H5	110.343
H3	Si1	H4	108.586	H3	Si1	H5	108.586
H4	Si1	H5	108.586	H6	Si2	H7	108.586
H6	Si2	H8	108.586	H7	Si2	H8	108.586

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: HF/cc-pCVTZ

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	0.177
2	Si	0.177
3	H	-0.059
4	H	-0.059
5	H	-0.059
6	H	-0.059
7	H	-0.059
8	H	-0.059

<r²>	88.133
(<r²>)^1/2	9.388

All results from a given calculation for Si2H6 (disilane)

using model chemistry: HF/cc-pCVTZ

States and conformations

All results from a given calculation for Si₂H₆ (disilane)