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	hartrees
Energy at 0K	-871.754627
Energy at 298.15K	-871.762399
HF Energy	-871.439050
Nuclear repulsion energy	191.675635

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2273	2173	130.20
2	A₁	2261	2162	16.78
3	A₁	2245	2146	68.74
4	A₁	977	934	80.94
5	A₁	951	909	0.70
6	A₁	912	872	203.57
7	A₁	577	552	6.51
8	A₁	393	376	0.49
9	A₁	97	93	1.45
10	A₂	2270	2170	0.00
11	A₂	969	926	0.00
12	A₂	723	692	0.00
13	A₂	426	407	0.00
14	A₂	88	84	0.00
15	B₁	2275	2174	228.84
16	B₁	2255	2156	19.76
17	B₁	973	930	82.87
18	B₁	608	581	9.97
19	B₁	317	303	20.97
20	B₁	104	99	0.04
21	B₂	2272	2172	73.95
22	B₂	2257	2158	98.64
23	B₂	970	927	40.66
24	B₂	898	858	341.28
25	B₂	730	698	280.10
26	B₂	472	451	7.97
27	B₂	442	423	18.99

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.914
Si2	0.000	1.942	-0.429
Si3	0.000	-1.942	-0.429
H4	1.208	0.000	1.789
H5	-1.208	0.000	1.789
H6	0.000	3.173	0.409
H7	0.000	-3.173	0.409
H8	1.209	1.951	-1.297
H9	-1.209	1.951	-1.297
H10	-1.209	-1.951	-1.297
H11	1.209	-1.951	-1.297

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3607	2.3607	1.4918	1.4918	3.2128	3.2128	3.1875	3.1875	3.1875	3.1875
Si2	2.3607		3.8840	3.1857	3.1857	1.4889	5.1831	1.4892	1.4892	4.1686	4.1686
Si3	2.3607	3.8840		3.1857	3.1857	5.1831	1.4889	4.1686	4.1686	1.4892	1.4892
H4	1.4918	3.1857	3.1857		2.4158	3.6649	3.6649	3.6518	4.3794	4.3794	3.6518
H5	1.4918	3.1857	3.1857	2.4158		3.6649	3.6649	4.3794	3.6518	3.6518	4.3794
H6	3.2128	1.4889	5.1831	3.6649	3.6649		6.3459	2.4221	2.4221	5.5349	5.5349
H7	3.2128	5.1831	1.4889	3.6649	3.6649	6.3459		5.5349	5.5349	2.4221	2.4221
H8	3.1875	1.4892	4.1686	3.6518	4.3794	2.4221	5.5349		2.4188	4.5917	3.9030
H9	3.1875	1.4892	4.1686	4.3794	3.6518	2.4221	5.5349	2.4188		3.9030	4.5917
H10	3.1875	4.1686	1.4892	4.3794	3.6518	5.5349	2.4221	4.5917	3.9030		2.4188
H11	3.1875	4.1686	1.4892	3.6518	4.3794	5.5349	2.4221	3.9030	4.5917	2.4188

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.118	S1	S2	H8	109.693
S1	S2	H9	109.693	S1	S3	H7	111.118
S1	S3	H10	109.693	S1	S3	H11	109.693
S2	S1	S3	110.702	S2	S1	H4	109.493
S2	S1	H5	109.493	S3	S1	H4	109.493
S3	S1	H5	109.493	H4	S1	H5	108.125
H6	S2	H8	108.844	H6	S2	H9	108.844
H7	S3	H10	108.844	H7	S3	H11	108.844
H8	S2	H9	108.602	H10	S3	H11	108.602

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2/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: MP2/cc-pCVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)