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	hartrees
Energy at 0K	-871.952465
Energy at 298.15K	-871.960200
HF Energy	-871.451726
Nuclear repulsion energy	191.913648

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2247	2148
2	A₁	2235	2137
3	A₁	2214	2116
4	A₁	964	922
5	A₁	941	900
6	A₁	905	865
7	A₁	578	553
8	A₁	393	376
9	A₁	99	95
10	A₂	2242	2144
11	A₂	954	912
12	A₂	724	692
13	A₂	434	415
14	A₂	86	82
15	B₁	2247	2148
16	B₁	2224	2126
17	B₁	958	916
18	B₁	610	583
19	B₁	324	310
20	B₁	103	99
21	B₂	2245	2147
22	B₂	2230	2132
23	B₂	956	914
24	B₂	896	856
25	B₂	737	704
26	B₂	473	452
27	B₂	446	426

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.901
Si2	0.000	1.949	-0.423
Si3	0.000	-1.949	-0.423
H4	1.203	0.000	1.776
H5	-1.203	0.000	1.776
H6	0.000	3.167	0.424
H7	0.000	-3.167	0.424
H8	1.205	1.969	-1.291
H9	-1.205	1.969	-1.291
H10	-1.205	-1.969	-1.291
H11	1.205	-1.969	-1.291

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3559	2.3559	1.4879	1.4879	3.2027	3.2027	3.1830	3.1830	3.1830	3.1830
Si2	2.3559		3.8971	3.1751	3.1751	1.4841	5.1853	1.4847	1.4847	4.1895	4.1895
Si3	2.3559	3.8971		3.1751	3.1751	5.1853	1.4841	4.1895	4.1895	1.4847	1.4847
H4	1.4879	3.1751	3.1751		2.4067	3.6477	3.6477	3.6442	4.3680	4.3680	3.6442
H5	1.4879	3.1751	3.1751	2.4067		3.6477	3.6477	4.3680	3.6442	3.6442	4.3680
H6	3.2027	1.4841	5.1853	3.6477	3.6477		6.3341	2.4138	2.4138	5.5472	5.5472
H7	3.2027	5.1853	1.4841	3.6477	3.6477	6.3341		5.5472	5.5472	2.4138	2.4138
H8	3.1830	1.4847	4.1895	3.6442	4.3680	2.4138	5.5472		2.4096	4.6169	3.9382
H9	3.1830	1.4847	4.1895	4.3680	3.6442	2.4138	5.5472	2.4096		3.9382	4.6169
H10	3.1830	4.1895	1.4847	4.3680	3.6442	5.5472	2.4138	4.6169	3.9382		2.4096
H11	3.1830	4.1895	1.4847	3.6442	4.3680	5.5472	2.4138	3.9382	4.6169	2.4096

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.988	S1	S2	H8	109.864
S1	S2	H9	109.864	S1	S3	H7	110.988
S1	S3	H10	109.864	S1	S3	H11	109.864
S2	S1	S3	111.606	S2	S1	H4	109.302
S2	S1	H5	109.302	S3	S1	H4	109.302
S3	S1	H5	109.302	H4	S1	H5	107.954
H6	S2	H8	108.795	H6	S2	H9	108.795
H7	S3	H10	108.795	H7	S3	H11	108.795
H8	S2	H9	108.484	H10	S3	H11	108.484

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCSD(T)=FULL/TZVP

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(T)=FULL/TZVP

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)