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	hartrees
Energy at 0K	-871.813934
Energy at 298.15K	-871.821679
HF Energy	-871.439104
Nuclear repulsion energy	191.307751

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2262	2262	127.60
2	A₁	2250	2250	17.56
3	A₁	2234	2234	71.16
4	A₁	970	970	81.14
5	A₁	946	946	1.33
6	A₁	908	908	199.19
7	A₁	573	573	6.91
8	A₁	390	390	0.55
9	A₁	98	98	1.51
10	A₂	2258	2258	0.00
11	A₂	962	962	0.00
12	A₂	719	719	0.00
13	A₂	426	426	0.00
14	A₂	87	87	0.00
15	B₁	2263	2263	227.87
16	B₁	2244	2244	19.37
17	B₁	966	966	81.59
18	B₁	604	604	9.96
19	B₁	318	318	21.51
20	B₁	101	101	0.04
21	B₂	2261	2261	73.94
22	B₂	2246	2246	97.50
23	B₂	963	963	38.64
24	B₂	894	894	337.75
25	B₂	729	729	290.00
26	B₂	470	470	8.00
27	B₂	442	442	19.35

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.910
Si2	0.000	1.950	-0.427
Si3	0.000	-1.950	-0.427
H4	1.207	0.000	1.788
H5	-1.207	0.000	1.788
H6	0.000	3.178	0.417
H7	0.000	-3.178	0.417
H8	1.209	1.967	-1.297
H9	-1.209	1.967	-1.297
H10	-1.209	-1.967	-1.297
H11	1.209	-1.967	-1.297

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3647	2.3647	1.4926	1.4926	3.2155	3.2155	3.1945	3.1945	3.1945	3.1945
Si2	2.3647		3.9005	3.1887	3.1887	1.4897	5.1968	1.4901	1.4901	4.1910	4.1910
Si3	2.3647	3.9005		3.1887	3.1887	5.1968	1.4897	4.1910	4.1910	1.4901	1.4901
H4	1.4926	3.1887	3.1887		2.4142	3.6651	3.6651	3.6591	4.3850	4.3850	3.6591
H5	1.4926	3.1887	3.1887	2.4142		3.6651	3.6651	4.3850	3.6591	3.6591	4.3850
H6	3.2155	1.4897	5.1968	3.6651	3.6651		6.3550	2.4223	2.4223	5.5559	5.5559
H7	3.2155	5.1968	1.4897	3.6651	3.6651	6.3550		5.5559	5.5559	2.4223	2.4223
H8	3.1945	1.4901	4.1910	3.6591	4.3850	2.4223	5.5559		2.4189	4.6181	3.9340
H9	3.1945	1.4901	4.1910	4.3850	3.6591	2.4223	5.5559	2.4189		3.9340	4.6181
H10	3.1945	4.1910	1.4901	4.3850	3.6591	5.5559	2.4223	4.6181	3.9340		2.4189
H11	3.1945	4.1910	1.4901	3.6591	4.3850	5.5559	2.4223	3.9340	4.6181	2.4189

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.036	S1	S2	H8	109.849
S1	S2	H9	109.849	S1	S3	H7	111.036
S1	S3	H10	109.849	S1	S3	H11	109.849
S2	S1	S3	111.124	S2	S1	H4	109.428
S2	S1	H5	109.428	S3	S1	H4	109.428
S3	S1	H5	109.428	H4	S1	H5	107.943
H6	S2	H8	108.768	H6	S2	H9	108.768
H7	S3	H10	108.768	H7	S3	H11	108.768
H8	S2	H9	108.519	H10	S3	H11	108.519

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP3/cc-pCVDZ

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/cc-pCVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)