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	hartrees
Energy at 0K	-871.672258
Energy at 298.15K	-871.679970
HF Energy	-871.385879
Nuclear repulsion energy	192.417112

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2288	2148	172.30
2	A₁	2273	2134	21.76
3	A₁	2253	2115	94.61
4	A₁	973	913	75.07
5	A₁	950	891	11.65
6	A₁	916	860	195.05
7	A₁	587	551	8.12
8	A₁	405	380	0.81
9	A₁	101	95	1.59
10	A₂	2284	2144	0.00
11	A₂	962	903	0.00
12	A₂	731	686	0.00
13	A₂	431	405	0.00
14	A₂	77	72	0.00
15	B₁	2288	2148	302.81
16	B₁	2265	2126	37.66
17	B₁	966	907	85.80
18	B₁	619	581	10.17
19	B₁	321	302	22.74
20	B₁	98	92	0.06
21	B₂	2287	2146	92.89
22	B₂	2268	2129	120.24
23	B₂	964	905	35.43
24	B₂	907	852	322.44
25	B₂	753	707	322.71
26	B₂	487	457	4.12
27	B₂	452	425	23.94

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.889
Si2	0.000	1.943	-0.418
Si3	0.000	-1.943	-0.418
H4	1.206	0.000	1.772
H5	-1.206	0.000	1.772
H6	0.000	3.162	0.439
H7	0.000	-3.162	0.439
H8	1.209	1.974	-1.290
H9	-1.209	1.974	-1.290
H10	-1.209	-1.974	-1.290
H11	1.209	-1.974	-1.290

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3415	2.3415	1.4942	1.4942	3.1938	3.1938	3.1790	3.1790	3.1790	3.1790
Si2	2.3415		3.8853	3.1659	3.1659	1.4904	5.1761	1.4910	1.4910	4.1905	4.1905
Si3	2.3415	3.8853		3.1659	3.1659	5.1761	1.4904	4.1905	4.1905	1.4910	1.4910
H4	1.4942	3.1659	3.1659		2.4111	3.6369	3.6369	3.6430	4.3705	4.3705	3.6430
H5	1.4942	3.1659	3.1659	2.4111		3.6369	3.6369	4.3705	3.6430	3.6430	4.3705
H6	3.1938	1.4904	5.1761	3.6369	3.6369		6.3238	2.4216	2.4216	5.5522	5.5522
H7	3.1938	5.1761	1.4904	3.6369	3.6369	6.3238		5.5522	5.5522	2.4216	2.4216
H8	3.1790	1.4910	4.1905	3.6430	4.3705	2.4216	5.5522		2.4178	4.6290	3.9474
H9	3.1790	1.4910	4.1905	4.3705	3.6430	2.4216	5.5522	2.4178		3.9474	4.6290
H10	3.1790	4.1905	1.4910	4.3705	3.6430	5.5522	2.4216	4.6290	3.9474		2.4178
H11	3.1790	4.1905	1.4910	3.6430	4.3705	5.5522	2.4216	3.9474	4.6290	2.4178

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.956	S1	S2	H8	110.110
S1	S2	H9	110.110	S1	S3	H7	110.956
S1	S3	H10	110.110	S1	S3	H11	110.110
S2	S1	S3	112.132	S2	S1	H4	109.257
S2	S1	H5	109.257	S3	S1	H4	109.257
S3	S1	H5	109.257	H4	S1	H5	107.573
H6	S2	H8	108.628	H6	S2	H9	108.628
H7	S3	H10	108.628	H7	S3	H11	108.628
H8	S2	H9	108.345	H10	S3	H11	108.345

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP3/6-31G*

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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All results from a given calculation for Si3H8 (trisilane)

using model chemistry: MP3/6-31G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)