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	hartrees
Energy at 0K	-871.947473
Energy at 298.15K
HF Energy	-871.483347
Nuclear repulsion energy	192.292730

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.912
Si2	0.000	1.934	-0.427
Si3	0.000	-1.934	-0.427
H4	1.204	0.000	1.787
H5	-1.204	0.000	1.787
H6	0.000	3.164	0.404
H7	0.000	-3.164	0.404
H8	1.206	1.945	-1.295
H9	-1.206	1.945	-1.295
H10	-1.206	-1.945	-1.295
H11	1.206	-1.945	-1.295

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3526	2.3526	1.4881	1.4881	3.2048	3.2048	3.1795	3.1795	3.1795	3.1795
Si2	2.3526		3.8684	3.1770	3.1770	1.4848	5.1659	1.4856	1.4856	4.1540	4.1540
Si3	2.3526	3.8684		3.1770	3.1770	5.1659	1.4848	4.1540	4.1540	1.4856	1.4856
H4	1.4881	3.1770	3.1770		2.4071	3.6571	3.6571	3.6448	4.3691	4.3691	3.6448
H5	1.4881	3.1770	3.1770	2.4071		3.6571	3.6571	4.3691	3.6448	3.6448	4.3691
H6	3.2048	1.4848	5.1659	3.6571	3.6571		6.3287	2.4141	2.4141	5.5180	5.5180
H7	3.2048	5.1659	1.4848	3.6571	3.6571	6.3287		5.5180	5.5180	2.4141	2.4141
H8	3.1795	1.4856	4.1540	3.6448	4.3691	2.4141	5.5180		2.4112	4.5770	3.8903
H9	3.1795	1.4856	4.1540	4.3691	3.6448	2.4141	5.5180	2.4112		3.8903	4.5770
H10	3.1795	4.1540	1.4856	4.3691	3.6448	5.5180	2.4141	4.5770	3.8903		2.4112
H11	3.1795	4.1540	1.4856	3.6448	4.3691	5.5180	2.4141	3.8903	4.5770	2.4112

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.244	S1	S2	H8	109.797
S1	S2	H9	109.797	S1	S3	H7	111.244
S1	S3	H10	109.797	S1	S3	H11	109.797
S2	S1	S3	110.600	S2	S1	H4	109.560
S2	S1	H5	109.560	S3	S1	H4	109.560
S3	S1	H5	109.560	H4	S1	H5	107.955
H6	S2	H8	108.727	H6	S2	H9	108.727
H7	S3	H10	108.727	H7	S3	H11	108.727
H8	S2	H9	108.492	H10	S3	H11	108.492

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCSD/aug-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 Si3H8 (trisilane)

using model chemistry: CCSD/aug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)