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	hartrees
Energy at 0K	-581.754633
Energy at 298.15K	-581.760570
HF Energy	-581.370648
Nuclear repulsion energy	91.106175

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2285	2170	0.00
2	A_1g	949	901	0.00
3	A_1g	448	425	0.00
4	A_1u	152	145	0.00
5	A_2u	2277	2162	117.15
6	A_2u	872	828	543.88
7	E_g	2291	2175	0.00
7	E_g	2291	2175	0.00
8	E_g	977	928	0.00
8	E_g	977	928	0.00
9	E_g	648	615	0.00
9	E_g	648	615	0.00
10	E_u	2300	2184	195.86
10	E_u	2300	2184	195.86
11	E_u	991	941	92.77
11	E_u	991	941	92.77
12	E_u	371	352	22.94
12	E_u	371	352	22.94

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.168
Si2	0.000	0.000	-1.168
H3	0.000	1.386	1.678
H4	-1.200	-0.693	1.678
H5	1.200	-0.693	1.678
H6	0.000	-1.386	-1.678
H7	-1.200	0.693	-1.678
H8	1.200	0.693	-1.678

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3360	1.4767	1.4767	1.4767	3.1657	3.1657	3.1657
Si2	2.3360		3.1657	3.1657	3.1657	1.4767	1.4767	1.4767
H3	1.4767	3.1657		2.4001	2.4001	4.3529	3.6314	3.6314
H4	1.4767	3.1657	2.4001		2.4001	3.6314	3.6314	4.3529
H5	1.4767	3.1657	2.4001	2.4001		3.6314	4.3529	3.6314
H6	3.1657	1.4767	4.3529	3.6314	3.6314		2.4001	2.4001
H7	3.1657	1.4767	3.6314	3.6314	4.3529	2.4001		2.4001
H8	3.1657	1.4767	3.6314	4.3529	3.6314	2.4001	2.4001

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.218	Si1	Si2	H7	110.218
Si1	Si2	H8	110.218	Si2	Si1	H3	110.218
Si2	Si1	H4	110.218	Si2	Si1	H5	110.218
H3	Si1	H4	108.714	H3	Si1	H5	108.714
H4	Si1	H5	108.714	H6	Si2	H7	108.714
H6	Si2	H8	108.714	H7	Si2	H8	108.714

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ

States and conformations

All results from a given calculation for Si₂H₆ (disilane)