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	hartrees
Energy at 0K	-581.924488
Energy at 298.15K	-581.930386
HF Energy	-581.375910
Nuclear repulsion energy	91.171993

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_1g	2239	2148
2	A_1g	937	898
3	A_1g	445	427
4	A_1u	148	142
5	A_2u	2230	2139
6	A_2u	862	827
7	E_g	2240	2149
7	E_g	2240	2149
8	E_g	960	921
8	E_g	960	921
9	E_g	640	614
9	E_g	640	614
10	E_u	2249	2157
10	E_u	2249	2157
11	E_u	974	934
11	E_u	974	934
12	E_u	370	354
12	E_u	368	353

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		2.3309	1.4784	1.4784	1.4784	3.1642	3.1642	3.1642
Si2	2.3309		3.1642	3.1642	3.1642	1.4784	1.4784	1.4784
H3	1.4784	3.1642		2.4012	2.4012	4.3547	3.6328	3.6328
H4	1.4784	3.1642	2.4012		2.4012	3.6328	3.6328	4.3547
H5	1.4784	3.1642	2.4012	2.4012		3.6328	4.3547	3.6328
H6	3.1642	1.4784	4.3547	3.6328	3.6328		2.4012	2.4012
H7	3.1642	1.4784	3.6328	3.6328	4.3547	2.4012		2.4012
H8	3.1642	1.4784	3.6328	4.3547	3.6328	2.4012	2.4012

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Si1	Si2	H6	110.324	Si1	Si2	H7	110.324
Si1	Si2	H8	110.324	Si2	Si1	H3	110.324
Si2	Si1	H4	110.324	Si2	Si1	H5	110.324
H3	Si1	H4	108.606	H3	Si1	H5	108.606
H4	Si1	H5	108.606	H6	Si2	H7	108.606
H6	Si2	H8	108.606	H7	Si2	H8	108.606

All results from a given calculation for Si₂H₆ (disilane)

using model chemistry: CCSD(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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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All results from a given calculation for Si2H6 (disilane)

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

States and conformations

All results from a given calculation for Si₂H₆ (disilane)