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	hartrees
Energy at 0K	-872.082490
Energy at 298.15K	-872.090179
HF Energy	-871.482877
Nuclear repulsion energy	194.520243

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2296	2296	94.89
2	A₁	2279	2279	39.21
3	A₁	2266	2266	80.98
4	A₁	975	975	64.37
5	A₁	955	955	0.01
6	A₁	907	907	222.98
7	A₁	573	573	5.39
8	A₁	410	410	0.54
9	A₁	84	84	1.47
10	A₂	2284	2284	0.00
11	A₂	969	969	0.00
12	A₂	719	719	0.00
13	A₂	420	420	0.00
14	A₂	80	80	0.00
15	B₁	2291	2291	254.73
16	B₁	2276	2276	5.30
17	B₁	974	974	78.59
18	B₁	604	604	9.61
19	B₁	311	311	22.02
20	B₁	123	123	0.11
21	B₂	2294	2294	129.81
22	B₂	2274	2274	52.56
23	B₂	968	968	44.12
24	B₂	898	898	312.39
25	B₂	716	716	267.60
26	B₂	478	478	9.00
27	B₂	435	435	20.76

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.939
Si2	0.000	1.883	-0.436
Si3	0.000	-1.883	-0.436
H4	1.198	0.000	1.808
H5	-1.198	0.000	1.808
H6	0.000	3.145	0.330
H7	0.000	-3.145	0.330
H8	1.198	1.850	-1.302
H9	-1.198	1.850	-1.302
H10	-1.198	-1.850	-1.302
H11	1.198	-1.850	-1.302

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3317	2.3317	1.4794	1.4794	3.2030	3.2030	3.1431	3.1431	3.1431	3.1431
Si2	2.3317		3.7651	3.1646	3.1646	1.4765	5.0852	1.4782	1.4782	4.0142	4.0142
Si3	2.3317	3.7651		3.1646	3.1646	5.0852	1.4765	4.0142	4.0142	1.4782	1.4782
H4	1.4794	3.1646	3.1646		2.3953	3.6751	3.6751	3.6181	4.3394	4.3394	3.6181
H5	1.4794	3.1646	3.1646	2.3953		3.6751	3.6751	4.3394	3.6181	3.6181	4.3394
H6	3.2030	1.4765	5.0852	3.6751	3.6751		6.2891	2.4031	2.4031	5.3890	5.3890
H7	3.2030	5.0852	1.4765	3.6751	3.6751	6.2891		5.3890	5.3890	2.4031	2.4031
H8	3.1431	1.4782	4.0142	3.6181	4.3394	2.4031	5.3890		2.3959	4.4075	3.6994
H9	3.1431	1.4782	4.0142	4.3394	3.6181	2.4031	5.3890	2.3959		3.6994	4.4075
H10	3.1431	4.0142	1.4782	4.3394	3.6181	5.3890	2.4031	4.4075	3.6994		2.3959
H11	3.1431	4.0142	1.4782	3.6181	4.3394	5.3890	2.4031	3.6994	4.4075	2.3959

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	112.567	S1	S2	H8	109.115
S1	S2	H9	109.115	S1	S3	H7	112.567
S1	S3	H10	109.115	S1	S3	H11	109.115
S2	S1	S3	107.683	S2	S1	H4	110.266
S2	S1	H5	110.266	S3	S1	H4	110.266
S3	S1	H5	110.266	H4	S1	H5	108.104
H6	S2	H8	108.839	H6	S2	H9	108.839
H7	S3	H10	108.839	H7	S3	H11	108.839
H8	S2	H9	108.275	H10	S3	H11	108.275

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2=FULL/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=FULL/daug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)