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	hartrees
Energy at 0K	-871.880947
Energy at 298.15K	-871.888613
HF Energy	-871.483598
Nuclear repulsion energy	192.879596

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2279	2279	123.22
2	A₁	2267	2267	28.27
3	A₁	2249	2249	70.58
4	A₁	974	974	73.84
5	A₁	948	948	0.56
6	A₁	907	907	209.09
7	A₁	574	574	5.94
8	A₁	398	398	0.54
9	A₁	92	92	1.40
10	A₂	2274	2274	0.00
11	A₂	967	967	0.00
12	A₂	717	717	0.00
13	A₂	419	419	0.00
14	A₂	85	85	0.00
15	B₁	2279	2279	245.72
16	B₁	2259	2259	18.73
17	B₁	971	971	81.16
18	B₁	603	603	9.83
19	B₁	315	315	21.15
20	B₁	104	104	0.07
21	B₂	2278	2278	98.86
22	B₂	2263	2263	81.12
23	B₂	967	967	41.62
24	B₂	894	894	333.60
25	B₂	722	722	276.73
26	B₂	472	472	8.34
27	B₂	436	436	20.76

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.921
Si2	0.000	1.920	-0.431
Si3	0.000	-1.920	-0.431
H4	1.203	0.000	1.791
H5	-1.203	0.000	1.791
H6	0.000	3.157	0.384
H7	0.000	-3.157	0.384
H8	1.203	1.916	-1.296
H9	-1.203	1.916	-1.296
H10	-1.203	-1.916	-1.296
H11	1.203	-1.916	-1.296

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3487	2.3487	1.4845	1.4845	3.2024	3.2024	3.1678	3.1678	3.1678	3.1678
Si2	2.3487		3.8405	3.1735	3.1735	1.4812	5.1423	1.4820	1.4820	4.1124	4.1124
Si3	2.3487	3.8405		3.1735	3.1735	5.1423	1.4812	4.1124	4.1124	1.4820	1.4820
H4	1.4845	3.1735	3.1735		2.4069	3.6597	3.6597	3.6327	4.3577	4.3577	3.6327
H5	1.4845	3.1735	3.1735	2.4069		3.6597	3.6597	4.3577	3.6327	3.6327	4.3577
H6	3.2024	1.4812	5.1423	3.6597	3.6597		6.3140	2.4105	2.4105	5.4776	5.4776
H7	3.2024	5.1423	1.4812	3.6597	3.6597	6.3140		5.4776	5.4776	2.4105	2.4105
H8	3.1678	1.4820	4.1124	3.6327	4.3577	2.4105	5.4776		2.4069	4.5249	3.8317
H9	3.1678	1.4820	4.1124	4.3577	3.6327	2.4105	5.4776	2.4069		3.8317	4.5249
H10	3.1678	4.1124	1.4820	4.3577	3.6327	5.4776	2.4105	4.5249	3.8317		2.4069
H11	3.1678	4.1124	1.4820	3.6327	4.3577	5.4776	2.4105	3.8317	4.5249	2.4069

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.458	S1	S2	H8	109.488
S1	S2	H9	109.488	S1	S3	H7	111.458
S1	S3	H10	109.488	S1	S3	H11	109.488
S2	S1	S3	109.685	S2	S1	H4	109.703
S2	S1	H5	109.703	S3	S1	H4	109.703
S3	S1	H5	109.703	H4	S1	H5	108.325
H6	S2	H8	108.880	H6	S2	H9	108.880
H7	S3	H10	108.880	H7	S3	H11	108.880
H8	S2	H9	108.596	H10	S3	H11	108.596

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2/daug-cc-pVTZ

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: MP2/daug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)