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	hartrees
Energy at 0K	-581.558340
Energy at 298.15K	-581.564235
HF Energy	-581.342696
Nuclear repulsion energy	90.624705

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_1g	2194	2113
2	A_1g	934	899
3	A_1g	441	425
4	A_1u	145	140
5	A_2u	2185	2104
6	A_2u	859	827
7	E_g	2194	2112
7	E_g	2194	2112
8	E_g	935	900
8	E_g	934	900
9	E_g	647	623
9	E_g	647	623
10	E_u	2202	2120
10	E_u	2202	2120
11	E_u	950	915
11	E_u	950	914
12	E_u	389	375
12	E_u	389	374

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.170
Si2	0.000	0.000	-1.170
H3	0.000	1.398	1.690
H4	-1.211	-0.699	1.690
H5	1.211	-0.699	1.690
H6	0.000	-1.398	-1.690
H7	-1.211	0.699	-1.690
H8	1.211	0.699	-1.690

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3403	1.4915	1.4915	1.4915	3.1837	3.1837	3.1837
Si2	2.3403		3.1837	3.1837	3.1837	1.4915	1.4915	1.4915
H3	1.4915	3.1837		2.4213	2.4213	4.3868	3.6580	3.6580
H4	1.4915	3.1837	2.4213		2.4213	3.6580	3.6580	4.3868
H5	1.4915	3.1837	2.4213	2.4213		3.6580	4.3868	3.6580
H6	3.1837	1.4915	4.3868	3.6580	3.6580		2.4213	2.4213
H7	3.1837	1.4915	3.6580	3.6580	4.3868	2.4213		2.4213
H8	3.1837	1.4915	3.6580	4.3868	3.6580	2.4213	2.4213

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.404	Si1	Si2	H7	110.404
Si1	Si2	H8	110.404	Si2	Si1	H3	110.404
Si2	Si1	H4	110.404	Si2	Si1	H5	110.404
H3	Si1	H4	108.522	H3	Si1	H5	108.522
H4	Si1	H5	108.522	H6	Si2	H7	108.522
H6	Si2	H8	108.522	H7	Si2	H8	108.522

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: QCISD(T)/6-311G*

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: QCISD(T)/6-311G*

States and conformations

All results from a given calculation for Si₂H₆ (disilane)