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	hartrees
Energy at 0K	-871.877021
Energy at 298.15K	-871.884739
HF Energy	-871.489703
Nuclear repulsion energy	192.983185

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2281	2173	125.15
2	A₁	2273	2165	26.30
3	A₁	2252	2145	66.87
4	A₁	983	936	78.87
5	A₁	956	911	1.35
6	A₁	916	873	210.32
7	A₁	578	550	6.16
8	A₁	398	379	0.52
9	A₁	93	89	1.42
10	A₂	2277	2169	0.00
11	A₂	975	929	0.00
12	A₂	721	687	0.00
13	A₂	421	401	0.00
14	A₂	81	78	0.00
15	B₁	2282	2174	235.25
16	B₁	2261	2153	21.22
17	B₁	979	932	84.12
18	B₁	607	578	9.78
19	B₁	316	301	21.27
20	B₁	102	97	0.07
21	B₂	2280	2172	91.75
22	B₂	2268	2161	83.77
23	B₂	975	929	41.78
24	B₂	903	860	347.09
25	B₂	729	695	280.94
26	B₂	473	451	7.87
27	B₂	439	418	20.47

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.914
Si2	0.000	1.925	-0.428
Si3	0.000	-1.925	-0.428
H4	1.199	0.000	1.782
H5	-1.199	0.000	1.782
H6	0.000	3.152	0.395
H7	0.000	-3.152	0.395
H8	1.200	1.930	-1.291
H9	-1.200	1.930	-1.291
H10	-1.200	-1.930	-1.291
H11	1.200	-1.930	-1.291

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3470	2.3470	1.4808	1.4808	3.1947	3.1947	3.1665	3.1665	3.1665	3.1665
Si2	2.3470		3.8508	3.1673	3.1673	1.4774	5.1440	1.4780	1.4780	4.1293	4.1293
Si3	2.3470	3.8508		3.1673	3.1673	5.1440	1.4774	4.1293	4.1293	1.4780	1.4780
H4	1.4808	3.1673	3.1673		2.3988	3.6470	3.6470	3.6290	4.3506	4.3506	3.6290
H5	1.4808	3.1673	3.1673	2.3988		3.6470	3.6470	4.3506	3.6290	3.6290	4.3506
H6	3.1947	1.4774	5.1440	3.6470	3.6470		6.3046	2.4031	2.4031	5.4877	5.4877
H7	3.1947	5.1440	1.4774	3.6470	3.6470	6.3046		5.4877	5.4877	2.4031	2.4031
H8	3.1665	1.4780	4.1293	3.6290	4.3506	2.4031	5.4877		2.4005	4.5461	3.8607
H9	3.1665	1.4780	4.1293	4.3506	3.6290	2.4031	5.4877	2.4005		3.8607	4.5461
H10	3.1665	4.1293	1.4780	4.3506	3.6290	5.4877	2.4031	4.5461	3.8607		2.4005
H11	3.1665	4.1293	1.4780	3.6290	4.3506	5.4877	2.4031	3.8607	4.5461	2.4005

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.265	S1	S2	H8	109.659
S1	S2	H9	109.659	S1	S3	H7	111.265
S1	S3	H10	109.659	S1	S3	H11	109.659
S2	S1	S3	110.246	S2	S1	H4	109.594
S2	S1	H5	109.594	S3	S1	H4	109.594
S3	S1	H5	109.594	H4	S1	H5	108.186
H6	S2	H8	108.804	H6	S2	H9	108.804
H7	S3	H10	108.804	H7	S3	H11	108.804
H8	S2	H9	108.597	H10	S3	H11	108.597

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2/cc-pV(T+d)Z

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-pV(T+d)Z

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)