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	hartrees
Energy at 0K	-582.335872
Energy at 298.15K
HF Energy	-581.375982
Nuclear repulsion energy	90.944448

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2247	2247	0.00
2	A_1g	943	943	0.00
3	A_1g	442	442	0.00
4	A_1u	140	140	0.00
5	A_2u	2236	2236	118.29
6	A_2u	867	867	523.91
7	E_g	2246	2246	0.00
7	E_g	2246	2246	0.00
8	E_g	958	958	0.00
8	E_g	958	958	0.00
9	E_g	642	642	0.00
9	E_g	642	642	0.00
10	E_u	2254	2254	199.59
10	E_u	2254	2254	199.59
11	E_u	972	972	86.06
11	E_u	972	972	86.06
12	E_u	377	377	22.97
12	E_u	377	377	22.97

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.170
Si2	0.000	0.000	-1.170
H3	0.000	1.387	1.683
H4	-1.201	-0.694	1.683
H5	1.201	-0.694	1.683
H6	0.000	-1.387	-1.683
H7	-1.201	0.694	-1.683
H8	1.201	0.694	-1.683

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3400	1.4791	1.4791	1.4791	3.1726	3.1726	3.1726
Si2	2.3400		3.1726	3.1726	3.1726	1.4791	1.4791	1.4791
H3	1.4791	3.1726		2.4027	2.4027	4.3624	3.6411	3.6411
H4	1.4791	3.1726	2.4027		2.4027	3.6411	3.6411	4.3624
H5	1.4791	3.1726	2.4027	2.4027		3.6411	4.3624	3.6411
H6	3.1726	1.4791	4.3624	3.6411	3.6411		2.4027	2.4027
H7	3.1726	1.4791	3.6411	3.6411	4.3624	2.4027		2.4027
H8	3.1726	1.4791	3.6411	4.3624	3.6411	2.4027	2.4027

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.303	Si1	Si2	H7	110.303
Si1	Si2	H8	110.303	Si2	Si1	H3	110.303
Si2	Si1	H4	110.303	Si2	Si1	H5	110.303
H3	Si1	H4	108.627	H3	Si1	H5	108.627
H4	Si1	H5	108.627	H6	Si2	H7	108.627
H6	Si2	H8	108.627	H7	Si2	H8	108.627

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: CCSD=FULL/aug-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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All results from a given calculation for Si2H6 (disilane)

using model chemistry: CCSD=FULL/aug-cc-pCVTZ

States and conformations

All results from a given calculation for Si₂H₆ (disilane)