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	hartrees
Energy at 0K	-581.875972
Energy at 298.15K	-581.882197
HF Energy	-581.376380
Nuclear repulsion energy	91.410087

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2282	2282	0.00
2	A_1g	942	942	0.00
3	A_1g	448	448	0.00
4	A_1u	146	146	0.00
5	A_2u	2270	2270	114.14
6	A_2u	865	865	539.51
7	E_g	2280	2280	0.00
7	E_g	2280	2280	0.00
8	E_g	983	983	0.00
8	E_g	983	983	0.00
9	E_g	656	656	0.00
9	E_g	656	656	0.00
10	E_u	2289	2289	197.17
10	E_u	2289	2289	197.17
11	E_u	991	991	90.87
11	E_u	991	991	90.87
12	E_u	369	369	23.53
12	E_u	369	369	23.53

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.164
Si2	0.000	0.000	-1.164
H3	0.000	1.383	1.671
H4	-1.198	-0.691	1.671
H5	1.198	-0.691	1.671
H6	0.000	-1.383	-1.671
H7	-1.198	0.691	-1.671
H8	1.198	0.691	-1.671

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3271	1.4730	1.4730	1.4730	3.1537	3.1537	3.1537
Si2	2.3271		3.1537	3.1537	3.1537	1.4730	1.4730	1.4730
H3	1.4730	3.1537		2.3953	2.3953	4.3377	3.6164	3.6164
H4	1.4730	3.1537	2.3953		2.3953	3.6164	3.6164	4.3377
H5	1.4730	3.1537	2.3953	2.3953		3.6164	4.3377	3.6164
H6	3.1537	1.4730	4.3377	3.6164	3.6164		2.3953	2.3953
H7	3.1537	1.4730	3.6164	3.6164	4.3377	2.3953		2.3953
H8	3.1537	1.4730	3.6164	4.3377	3.6164	2.3953	2.3953

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.140	Si1	Si2	H7	110.140
Si1	Si2	H8	110.140	Si2	Si1	H3	110.140
Si2	Si1	H4	110.140	Si2	Si1	H5	110.140
H3	Si1	H4	108.794	H3	Si1	H5	108.794
H4	Si1	H5	108.794	H6	Si2	H7	108.794
H6	Si2	H8	108.794	H7	Si2	H8	108.794

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: MP2=FULL/aug-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: MP2=FULL/aug-cc-pV(T+d)Z

States and conformations

All results from a given calculation for Si₂H₆ (disilane)