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	hartrees
Energy at 0K	-872.367109
Energy at 298.15K	-872.374885
HF Energy	-871.438938
Nuclear repulsion energy	192.137062

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2276	2173	126.75
2	A₁	2263	2160	16.26
3	A₁	2247	2145	68.49
4	A₁	976	932	78.93
5	A₁	950	907	0.67
6	A₁	911	869	203.36
7	A₁	577	551	6.31
8	A₁	396	378	0.49
9	A₁	97	93	1.46
10	A₂	2272	2169	0.00
11	A₂	968	924	0.00
12	A₂	723	691	0.00
13	A₂	425	405	0.00
14	A₂	89	85	0.00
15	B₁	2277	2174	226.26
16	B₁	2258	2156	17.26
17	B₁	973	929	81.35
18	B₁	607	580	9.96
19	B₁	316	302	20.88
20	B₁	105	101	0.04
21	B₂	2274	2171	73.80
22	B₂	2259	2156	97.05
23	B₂	969	925	40.71
24	B₂	897	856	336.19
25	B₂	728	695	277.09
26	B₂	474	452	7.30
27	B₂	442	422	19.87

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.915
Si2	0.000	1.933	-0.429
Si3	0.000	-1.933	-0.429
H4	1.208	0.000	1.790
H5	-1.208	0.000	1.790
H6	0.000	3.168	0.402
H7	0.000	-3.168	0.402
H8	1.209	1.939	-1.298
H9	-1.209	1.939	-1.298
H10	-1.209	-1.939	-1.298
H11	1.209	-1.939	-1.298

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3543	2.3543	1.4912	1.4912	3.2093	3.2093	3.1807	3.1807	3.1807	3.1807
Si2	2.3543		3.8666	3.1808	3.1808	1.4884	5.1686	1.4887	1.4887	4.1488	4.1488
Si3	2.3543	3.8666		3.1808	3.1808	5.1686	1.4884	4.1488	4.1488	1.4887	1.4887
H4	1.4912	3.1808	3.1808		2.4152	3.6634	3.6634	3.6460	4.3740	4.3740	3.6460
H5	1.4912	3.1808	3.1808	2.4152		3.6634	3.6634	4.3740	3.6460	3.6460	4.3740
H6	3.2093	1.4884	5.1686	3.6634	3.6634		6.3362	2.4210	2.4210	5.5169	5.5169
H7	3.2093	5.1686	1.4884	3.6634	3.6634	6.3362		5.5169	5.5169	2.4210	2.4210
H8	3.1807	1.4887	4.1488	3.6460	4.3740	2.4210	5.5169		2.4175	4.5701	3.8784
H9	3.1807	1.4887	4.1488	4.3740	3.6460	2.4210	5.5169	2.4175		3.8784	4.5701
H10	3.1807	4.1488	1.4887	4.3740	3.6460	5.5169	2.4210	4.5701	3.8784		2.4175
H11	3.1807	4.1488	1.4887	3.6460	4.3740	5.5169	2.4210	3.8784	4.5701	2.4175

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.267	S1	S2	H8	109.657
S1	S2	H9	109.657	S1	S3	H7	111.267
S1	S3	H10	109.657	S1	S3	H11	109.657
S2	S1	S3	110.407	S2	S1	H4	109.561
S2	S1	H5	109.561	S3	S1	H4	109.561
S3	S1	H5	109.561	H4	S1	H5	108.152
H6	S2	H8	108.821	H6	S2	H9	108.821
H7	S3	H10	108.821	H7	S3	H11	108.821
H8	S2	H9	108.568	H10	S3	H11	108.568

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)