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	hartrees
Energy at 0K	-579.171038
Energy at 298.15K
HF Energy	-579.127051
Nuclear repulsion energy	89.781084

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_1g	2204	2204	0.00
2	A_1g	901	901	0.00
3	A_1g	402	402	0.00
4	A_1u	123	123	0.00
5	A_2u	2194	2194	125.87
6	A_2u	836	836	499.77
7	E_g	2208	2208	0.00
7	E_g	2208	2208	0.00
8	E_g	944	944	0.00
8	E_g	944	944	0.00
9	E_g	632	632	0.00
9	E_g	632	632	0.00
10	E_u	2218	2218	202.94
10	E_u	2218	2218	202.95
11	E_u	955	955	94.01
11	E_u	955	955	94.01
12	E_u	386	386	22.84
12	E_u	386	386	22.84

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	1.186
Si2	0.000	0.000	-1.186
H3	0.000	1.405	1.702
H4	-1.216	-0.702	1.702
H5	1.216	-0.702	1.702
H6	0.000	-1.405	-1.702
H7	-1.216	0.702	-1.702
H8	1.216	0.702	-1.702

	Si1	Si2	H3	H4	H5	H6	H7	H8
Si1		2.3729	1.4963	1.4963	1.4963	3.2121	3.2121	3.2121
Si2	2.3729		3.2121	3.2121	3.2121	1.4963	1.4963	1.4963
H3	1.4963	3.2121		2.4329	2.4329	4.4139	3.6829	3.6829
H4	1.4963	3.2121	2.4329		2.4329	3.6829	3.6829	4.4139
H5	1.4963	3.2121	2.4329	2.4329		3.6829	4.4139	3.6829
H6	3.2121	1.4963	4.4139	3.6829	3.6829		2.4329	2.4329
H7	3.2121	1.4963	3.6829	3.6829	4.4139	2.4329		2.4329
H8	3.2121	1.4963	3.6829	4.4139	3.6829	2.4329	2.4329

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.165	Si1	Si2	H7	110.165
Si1	Si2	H8	110.165	Si2	Si1	H3	110.165
Si2	Si1	H4	110.165	Si2	Si1	H5	110.165
H3	Si1	H4	108.769	H3	Si1	H5	108.769
H4	Si1	H5	108.769	H6	Si2	H7	108.769
H6	Si2	H8	108.769	H7	Si2	H8	108.769

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: B2PLYP=FULLultrafine/3-21G

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: B2PLYP=FULLultrafine/3-21G

States and conformations

All results from a given calculation for Si₂H₆ (disilane)