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	hartrees
Energy at 0K	-873.261157
Energy at 298.15K
HF Energy	-873.261157
Nuclear repulsion energy	192.180078

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2155	2063	115.52
2	A₁	2148	2056	40.36
3	A₁	2127	2037	64.52
4	A₁	950	909	67.19
5	A₁	927	887	0.08
6	A₁	881	844	172.46
7	A₁	563	539	5.06
8	A₁	390	374	0.55
9	A₁	93	89	1.28
10	A₂	2150	2058	0.00
11	A₂	942	902	0.00
12	A₂	709	679	0.00
13	A₂	417	400	0.00
14	A₂	24i	23i	0.00
15	B₁	2156	2064	242.19
16	B₁	2133	2042	16.65
17	B₁	947	907	64.90
18	B₁	596	570	8.74
19	B₁	307	294	18.33
20	B₁	61	59	0.05
21	B₂	2153	2061	105.35
22	B₂	2144	2052	68.93
23	B₂	944	903	33.77
24	B₂	869	832	274.38
25	B₂	713	683	270.44
26	B₂	465	445	5.11
27	B₂	427	409	19.09

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.915
Si2	0.000	1.928	-0.429
Si3	0.000	-1.928	-0.429
H4	1.212	0.000	1.794
H5	-1.212	0.000	1.794
H6	0.000	3.168	0.405
H7	0.000	-3.168	0.405
H8	1.214	1.934	-1.302
H9	-1.214	1.934	-1.302
H10	-1.214	-1.934	-1.302
H11	1.214	-1.934	-1.302

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3503	2.3503	1.4976	1.4976	3.2091	3.2091	3.1831	3.1831	3.1831	3.1831
Si2	2.3503		3.8562	3.1827	3.1827	1.4947	5.1643	1.4954	1.4954	4.1419	4.1419
Si3	2.3503	3.8562		3.1827	3.1827	5.1643	1.4947	4.1419	4.1419	1.4954	1.4954
H4	1.4976	3.1827	3.1827		2.4248	3.6657	3.6657	3.6511	4.3837	4.3837	3.6511
H5	1.4976	3.1827	3.1827	2.4248		3.6657	3.6657	4.3837	3.6511	3.6511	4.3837
H6	3.2091	1.4947	5.1643	3.6657	3.6657		6.3368	2.4314	2.4314	5.5162	5.5162
H7	3.2091	5.1643	1.4947	3.6657	3.6657	6.3368		5.5162	5.5162	2.4314	2.4314
H8	3.1831	1.4954	4.1419	3.6511	4.3837	2.4314	5.5162		2.4277	4.5676	3.8690
H9	3.1831	1.4954	4.1419	4.3837	3.6511	2.4314	5.5162	2.4277		3.8690	4.5676
H10	3.1831	4.1419	1.4954	4.3837	3.6511	5.5162	2.4314	4.5676	3.8690		2.4277
H11	3.1831	4.1419	1.4954	3.6511	4.3837	5.5162	2.4314	3.8690	4.5676	2.4277

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.197	S1	S2	H8	109.723
S1	S2	H9	109.723	S1	S3	H7	111.197
S1	S3	H10	109.723	S1	S3	H11	109.723
S2	S1	S3	110.243	S2	S1	H4	109.615
S2	S1	H5	109.615	S3	S1	H4	109.615
S3	S1	H5	109.615	H4	S1	H5	108.102
H6	S2	H8	108.807	H6	S2	H9	108.807
H7	S3	H10	108.807	H7	S3	H11	108.807
H8	S2	H9	108.530	H10	S3	H11	108.530

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: wB97X-D/aug-cc-pVDZ

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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Number	Element	Mulliken
1	Si	-0.659
2	Si	-0.849
3	Si	-0.849
4	H	0.326
5	H	0.326
6	H	0.277
7	H	0.277
8	H	0.287
9	H	0.287
10	H	0.287
11	H	0.287

<r²>	207.385
(<r²>)^1/2	14.401

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: wB97X-D/aug-cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)