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	hartrees
Energy at 0K	-867.001923
Energy at 298.15K	-867.009514
HF Energy	-866.798980
Nuclear repulsion energy	189.642181

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2199	2049	136.53
2	A₁	2194	2044	9.04
3	A₁	2176	2028	78.92
4	A₁	957	892	84.62
5	A₁	927	864	0.12
6	A₁	888	827	216.44
7	A₁	574	535	10.70
8	A₁	360	336	0.19
9	A₁	103	96	1.47
10	A₂	2195	2045	0.00
11	A₂	949	884	0.00
12	A₂	729	679	0.00
13	A₂	443	413	0.00
14	A₂	80	75	0.00
15	B₁	2201	2051	248.35
16	B₁	2189	2039	1.00
17	B₁	953	888	92.07
18	B₁	600	559	12.17
19	B₁	308	287	22.01
20	B₁	94	88	0.00
21	B₂	2198	2047	66.13
22	B₂	2184	2035	115.99
23	B₂	952	887	40.61
24	B₂	877	817	333.83
25	B₂	723	674	291.47
26	B₂	461	429	27.03
27	B₂	420	392	1.20

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.940
Si2	0.000	1.956	-0.440
Si3	0.000	-1.956	-0.440
H4	1.224	0.000	1.813
H5	-1.224	0.000	1.813
H6	0.000	3.207	0.390
H7	0.000	-3.207	0.390
H8	1.220	1.941	-1.316
H9	-1.220	1.941	-1.316
H10	-1.220	-1.941	-1.316
H11	1.220	-1.941	-1.316

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3933	2.3933	1.5031	1.5031	3.2542	3.2542	3.2163	3.2163	3.2163	3.2163
Si2	2.3933		3.9110	3.2240	3.2240	1.5015	5.2290	1.5019	1.5019	4.1759	4.1759
Si3	2.3933	3.9110		3.2240	3.2240	5.2290	1.5015	4.1759	4.1759	1.5019	1.5019
H4	1.5031	3.2240	3.2240		2.4484	3.7161	3.7161	3.6813	4.4188	4.4188	3.6813
H5	1.5031	3.2240	3.2240	2.4484		3.7161	3.7161	4.4188	3.6813	3.6813	4.4188
H6	3.2542	1.5015	5.2290	3.7161	3.7161		6.4146	2.4493	2.4493	5.5589	5.5589
H7	3.2542	5.2290	1.5015	3.7161	3.7161	6.4146		5.5589	5.5589	2.4493	2.4493
H8	3.2163	1.5019	4.1759	3.6813	4.4188	2.4493	5.5589		2.4397	4.5850	3.8821
H9	3.2163	1.5019	4.1759	4.4188	3.6813	2.4493	5.5589	2.4397		3.8821	4.5850
H10	3.2163	4.1759	1.5019	4.4188	3.6813	5.5589	2.4493	4.5850	3.8821		2.4397
H11	3.2163	4.1759	1.5019	3.6813	4.4188	5.5589	2.4493	3.8821	4.5850	2.4397

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.269	S1	S2	H8	109.172
S1	S2	H9	109.172	S1	S3	H7	111.269
S1	S3	H10	109.172	S1	S3	H11	109.172
S2	S1	S3	109.584	S2	S1	H4	109.545
S2	S1	H5	109.545	S3	S1	H4	109.545
S3	S1	H5	109.545	H4	S1	H5	109.064
H6	S2	H8	109.279	H6	S2	H9	109.279
H7	S3	H10	109.279	H7	S3	H11	109.279
H8	S2	H9	108.627	H10	S3	H11	108.627

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CID/3-21G

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: CID/3-21G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)