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	hartrees
Energy at 0K	-872.788070
Energy at 298.15K	-872.795761
HF Energy	-872.705740
Nuclear repulsion energy	192.275540

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2279	2163	202.19
2	A₁	2268	2153	15.49
3	A₁	2244	2130	93.33
4	A₁	973	924	77.88
5	A₁	950	902	9.58
6	A₁	915	869	198.84
7	A₁	582	553	8.30
8	A₁	396	375	0.80
9	A₁	101	95	1.54
10	A₂	2276	2160	0.00
11	A₂	963	914	0.00
12	A₂	730	693	0.00
13	A₂	433	411	0.00
14	A₂	77	73	0.00
15	B₁	2281	2165	331.44
16	B₁	2254	2139	43.85
17	B₁	967	918	86.73
18	B₁	614	582	10.90
19	B₁	324	308	22.24
20	B₁	98	93	0.05
21	B₂	2277	2161	91.42
22	B₂	2263	2148	132.98
23	B₂	965	916	35.91
24	B₂	905	859	335.47
25	B₂	749	711	332.10
26	B₂	478	454	5.92
27	B₂	452	429	19.70

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.887
Si2	0.000	1.949	-0.417
Si3	0.000	-1.949	-0.417
H4	1.200	0.000	1.770
H5	-1.200	0.000	1.770
H6	0.000	3.163	0.440
H7	0.000	-3.163	0.440
H8	1.204	1.987	-1.287
H9	-1.204	1.987	-1.287
H10	-1.204	-1.987	-1.287
H11	1.204	-1.987	-1.287

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3451	2.3451	1.4895	1.4895	3.1941	3.1941	3.1821	3.1821	3.1821	3.1821
Si2	2.3451		3.8984	3.1656	3.1656	1.4860	5.1834	1.4862	1.4862	4.2074	4.2074
Si3	2.3451	3.8984		3.1656	3.1656	5.1834	1.4860	4.2074	4.2074	1.4862	1.4862
H4	1.4895	3.1656	3.1656		2.3994	3.6344	3.6344	3.6461	4.3672	4.3672	3.6461
H5	1.4895	3.1656	3.1656	2.3994		3.6344	3.6344	4.3672	3.6461	3.6461	4.3672
H6	3.1941	1.4860	5.1834	3.6344	3.6344		6.3255	2.4120	2.4120	5.5639	5.5639
H7	3.1941	5.1834	1.4860	3.6344	3.6344	6.3255		5.5639	5.5639	2.4120	2.4120
H8	3.1821	1.4862	4.2074	3.6461	4.3672	2.4120	5.5639		2.4085	4.6471	3.9742
H9	3.1821	1.4862	4.2074	4.3672	3.6461	2.4120	5.5639	2.4085		3.9742	4.6471
H10	3.1821	4.2074	1.4862	4.3672	3.6461	5.5639	2.4120	4.6471	3.9742		2.4085
H11	3.1821	4.2074	1.4862	3.6461	4.3672	5.5639	2.4120	3.9742	4.6471	2.4085

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.972	S1	S2	H8	110.288
S1	S2	H9	110.288	S1	S3	H7	110.972
S1	S3	H10	110.288	S1	S3	H11	110.288
S2	S1	S3	112.439	S2	S1	H4	109.242
S2	S1	H5	109.242	S3	S1	H4	109.242
S3	S1	H5	109.242	H4	S1	H5	107.300
H6	S2	H8	108.486	H6	S2	H9	108.486
H7	S3	H10	108.486	H7	S3	H11	108.486
H8	S2	H9	108.244	H10	S3	H11	108.244

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP/6-31G*

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	0.066
2	Si	0.222
3	Si	0.222
4	H	-0.057
5	H	-0.057
6	H	-0.065
7	H	-0.065
8	H	-0.067
9	H	-0.067
10	H	-0.067
11	H	-0.067

<r²>	209.113
(<r²>)^1/2	14.461

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B2PLYP/6-31G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)