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	hartrees
Energy at 0K	-581.924729
Energy at 298.15K	-581.930626
HF Energy	-581.375908
Nuclear repulsion energy	91.174539

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_1g	2239	2239
2	A_1g	936	936
3	A_1g	445	445
4	A_1u	148	148
5	A_2u	2230	2230
6	A_2u	862	862
7	E_g	2240	2240
7	E_g	2240	2240
8	E_g	960	960
8	E_g	960	960
9	E_g	640	640
9	E_g	640	640
10	E_u	2249	2249
10	E_u	2249	2249
11	E_u	974	974
11	E_u	973	973
12	E_u	369	369
12	E_u	368	368

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.165
Si2	0.000	0.000	-1.165
H3	0.000	1.386	1.679
H4	-1.201	-0.693	1.679
H5	1.201	-0.693	1.679
H6	0.000	-1.386	-1.679
H7	-1.201	0.693	-1.679
H8	1.201	0.693	-1.679

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3307	1.4784	1.4784	1.4784	3.1642	3.1642	3.1642
Si2	2.3307		3.1642	3.1642	3.1642	1.4784	1.4784	1.4784
H3	1.4784	3.1642		2.4012	2.4012	4.3547	3.6329	3.6329
H4	1.4784	3.1642	2.4012		2.4012	3.6329	3.6329	4.3547
H5	1.4784	3.1642	2.4012	2.4012		3.6329	4.3547	3.6329
H6	3.1642	1.4784	4.3547	3.6329	3.6329		2.4012	2.4012
H7	3.1642	1.4784	3.6329	3.6329	4.3547	2.4012		2.4012
H8	3.1642	1.4784	3.6329	4.3547	3.6329	2.4012	2.4012

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.329	Si1	Si2	H7	110.329
Si1	Si2	H8	110.329	Si2	Si1	H3	110.329
Si2	Si1	H4	110.329	Si2	Si1	H5	110.329
H3	Si1	H4	108.600	H3	Si1	H5	108.600
H4	Si1	H5	108.601	H6	Si2	H7	108.600
H6	Si2	H8	108.600	H7	Si2	H8	108.601

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: QCISD(T)=FULL/cc-pV(T+d)Z

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)=FULL/cc-pV(T+d)Z

States and conformations

All results from a given calculation for Si₂H₆ (disilane)