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	hartrees
Energy at 0K	-871.947942
Energy at 298.15K
HF Energy	-871.483341
Nuclear repulsion energy	192.307354

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	-1.296
H9	-1.206	1.945	-1.296
H10	-1.206	-1.945	-1.296
H11	1.206	-1.945	-1.296

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3523	2.3523	1.4883	1.4883	3.2050	3.2050	3.1794	3.1794	3.1794	3.1794
Si2	2.3523		3.8676	3.1770	3.1770	1.4849	5.1655	1.4857	1.4857	4.1534	4.1534
Si3	2.3523	3.8676		3.1770	3.1770	5.1655	1.4849	4.1534	4.1534	1.4857	1.4857
H4	1.4883	3.1770	3.1770		2.4072	3.6575	3.6575	3.6451	4.3693	4.3693	3.6451
H5	1.4883	3.1770	3.1770	2.4072		3.6575	3.6575	4.3693	3.6451	3.6451	4.3693
H6	3.2050	1.4849	5.1655	3.6575	3.6575		6.3289	2.4141	2.4141	5.5176	5.5176
H7	3.2050	5.1655	1.4849	3.6575	3.6575	6.3289		5.5176	5.5176	2.4141	2.4141
H8	3.1794	1.4857	4.1534	3.6451	4.3693	2.4141	5.5176		2.4112	4.5763	3.8896
H9	3.1794	1.4857	4.1534	4.3693	3.6451	2.4141	5.5176	2.4112		3.8896	4.5763
H10	3.1794	4.1534	1.4857	4.3693	3.6451	5.5176	2.4141	4.5763	3.8896		2.4112
H11	3.1794	4.1534	1.4857	3.6451	4.3693	5.5176	2.4141	3.8896	4.5763	2.4112

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.265	S1	S2	H8	109.804
S1	S2	H9	109.804	S1	S3	H7	111.265
S1	S3	H10	109.804	S1	S3	H11	109.804
S2	S1	S3	110.587	S2	S1	H4	109.568
S2	S1	H5	109.568	S3	S1	H4	109.568
S3	S1	H5	109.568	H4	S1	H5	107.939
H6	S2	H8	108.715	H6	S2	H9	108.715
H7	S3	H10	108.715	H7	S3	H11	108.715
H8	S2	H9	108.481	H10	S3	H11	108.481

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: QCISD/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: QCISD/aug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)