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	hartrees
Energy at 0K	-582.488788
Energy at 298.15K	-582.494634
HF Energy	-582.488788
Nuclear repulsion energy	90.598207

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2229	2136	0.00
2	A_1g	919	881	0.00
3	A_1g	439	420	0.00
4	A_1u	140	134	0.00
5	A_2u	2220	2127	134.57
6	A_2u	845	810	488.62
7	E_g	2232	2139	0.00
7	E_g	2232	2139	0.00
8	E_g	939	900	0.00
8	E_g	939	900	0.00
9	E_g	635	609	0.00
9	E_g	635	609	0.00
10	E_u	2242	2149	246.74
10	E_u	2242	2149	246.74
11	E_u	952	913	81.58
11	E_u	952	913	81.58
12	E_u	382	366	19.94
12	E_u	382	366	19.95

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.171
Si2	0.000	0.000	-1.171
H3	0.000	1.396	1.693
H4	-1.209	-0.698	1.693
H5	1.209	-0.698	1.693
H6	0.000	-1.396	-1.693
H7	-1.209	0.698	-1.693
H8	1.209	0.698	-1.693

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3430	1.4898	1.4898	1.4898	3.1863	3.1863	3.1863
Si2	2.3430		3.1863	3.1863	3.1863	1.4898	1.4898	1.4898
H3	1.4898	3.1863		2.4171	2.4171	4.3879	3.6622	3.6622
H4	1.4898	3.1863	2.4171		2.4171	3.6622	3.6622	4.3879
H5	1.4898	3.1863	2.4171	2.4171		3.6622	4.3879	3.6622
H6	3.1863	1.4898	4.3879	3.6622	3.6622		2.4171	2.4171
H7	3.1863	1.4898	3.6622	3.6622	4.3879	2.4171		2.4171
H8	3.1863	1.4898	3.6622	4.3879	3.6622	2.4171	2.4171

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.488	Si1	Si2	H7	110.488
Si1	Si2	H8	110.488	Si2	Si1	H3	110.488
Si2	Si1	H4	110.488	Si2	Si1	H5	110.488
H3	Si1	H4	108.436	H3	Si1	H5	108.436
H4	Si1	H5	108.436	H6	Si2	H7	108.436
H6	Si2	H8	108.436	H7	Si2	H8	108.436

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: B3PW91/6-31G**

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	0.215
2	Si	0.215
3	H	-0.072
4	H	-0.072
5	H	-0.072
6	H	-0.072
7	H	-0.072
8	H	-0.072

	x	y	z
x	6.517	0.000	0.000
y	0.000	6.517	-0.000
z	0.000	-0.000	9.270

<r²>	86.720
(<r²>)^1/2	9.312

All results from a given calculation for Si2H6 (disilane)

using model chemistry: B3PW91/6-31G**

States and conformations

All results from a given calculation for Si₂H₆ (disilane)