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	hartrees
Energy at 0K	-872.829571
Energy at 298.15K
HF Energy	-872.719327
Nuclear repulsion energy	192.437307

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2282	2282	189.01
2	A₁	2273	2273	18.60
3	A₁	2249	2249	91.80
4	A₁	980	980	82.29
5	A₁	955	955	6.30
6	A₁	920	920	207.89
7	A₁	583	583	9.03
8	A₁	394	394	0.86
9	A₁	102	102	1.91
10	A₂	2278	2278	0.00
11	A₂	970	970	0.00
12	A₂	728	728	0.00
13	A₂	433	433	0.00
14	A₂	83	83	0.00
15	B₁	2284	2284	312.25
16	B₁	2258	2258	40.01
17	B₁	974	974	87.80
18	B₁	614	614	11.75
19	B₁	327	327	27.83
20	B₁	102	102	0.05
21	B₂	2280	2280	93.01
22	B₂	2267	2267	126.46
23	B₂	971	971	36.11
24	B₂	908	908	352.06
25	B₂	748	748	341.41
26	B₂	477	477	7.51
27	B₂	452	452	22.01

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.885
Si2	0.000	1.951	-0.417
Si3	0.000	-1.951	-0.417
H4	1.198	0.000	1.762
H5	-1.198	0.000	1.762
H6	0.000	3.157	0.442
H7	0.000	-3.157	0.442
H8	1.202	1.986	-1.282
H9	-1.202	1.986	-1.282
H10	-1.202	-1.986	-1.282
H11	1.202	-1.986	-1.282

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3452	2.3452	1.4846	1.4846	3.1882	3.1882	3.1759	3.1759	3.1759	3.1759
Si2	2.3452		3.9012	3.1601	3.1601	1.4813	5.1796	1.4816	1.4816	4.2059	4.2059
Si3	2.3452	3.9012		3.1601	3.1601	5.1796	1.4813	4.2059	4.2059	1.4816	1.4816
H4	1.4846	3.1601	3.1601		2.3966	3.6256	3.6256	3.6344	4.3555	4.3555	3.6344
H5	1.4846	3.1601	3.1601	2.3966		3.6256	3.6256	4.3555	3.6344	3.6344	4.3555
H6	3.1882	1.4813	5.1796	3.6256	3.6256		6.3146	2.4065	2.4065	5.5562	5.5562
H7	3.1882	5.1796	1.4813	3.6256	3.6256	6.3146		5.5562	5.5562	2.4065	2.4065
H8	3.1759	1.4816	4.2059	3.6344	4.3555	2.4065	5.5562		2.4040	4.6427	3.9718
H9	3.1759	1.4816	4.2059	4.3555	3.6344	2.4065	5.5562	2.4040		3.9718	4.6427
H10	3.1759	4.2059	1.4816	4.3555	3.6344	5.5562	2.4065	4.6427	3.9718		2.4040
H11	3.1759	4.2059	1.4816	3.6344	4.3555	5.5562	2.4065	3.9718	4.6427	2.4040

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.828	S1	S2	H8	110.127
S1	S2	H9	110.127	S1	S3	H7	110.828
S1	S3	H10	110.127	S1	S3	H11	110.127
S2	S1	S3	112.556	S2	S1	H4	109.132
S2	S1	H5	109.132	S3	S1	H4	109.132
S3	S1	H5	109.132	H4	S1	H5	107.634
H6	S2	H8	108.627	H6	S2	H9	108.627
H7	S3	H10	108.627	H7	S3	H11	108.627
H8	S2	H9	108.447	H10	S3	H11	108.447

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

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: B2PLYP=FULLultrafine/6-31+G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)