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	hartrees
Energy at 0K	-15.911145
Energy at 298.15K	-15.918657
HF Energy	-15.757240
Nuclear repulsion energy	33.667506

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2160	2087	248.57
2	A₁	2132	2060	4.42
3	A₁	2119	2048	118.28
4	A₁	941	909	83.47
5	A₁	918	887	0.04
6	A₁	876	846	204.56
7	A₁	571	552	8.11
8	A₁	376	363	0.49
9	A₁	100	97	1.21
10	A₂	2156	2083	0.00
11	A₂	932	900	0.00
12	A₂	715	691	0.00
13	A₂	438	423	0.00
14	A₂	58	56	0.00
15	B₁	2163	2090	439.54
16	B₁	2139	2067	21.53
17	B₁	934	903	91.77
18	B₁	600	579	9.64
19	B₁	320	309	17.95
20	B₁	78	76	0.02
21	B₂	2157	2085	102.32
22	B₂	2126	2054	160.22
23	B₂	934	903	41.47
24	B₂	864	835	313.25
25	B₂	725	701	357.98
26	B₂	465	450	11.89
27	B₂	446	431	13.83

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.910
Si2	0.000	1.994	-0.428
Si3	0.000	-1.994	-0.428
H4	1.225	0.000	1.810
H5	-1.225	0.000	1.810
H6	0.000	3.230	0.451
H7	0.000	-3.230	0.451
H8	1.230	2.029	-1.316
H9	-1.230	2.029	-1.316
H10	-1.230	-2.029	-1.316
H11	1.230	-2.029	-1.316

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.4015	2.4015	1.5204	1.5204	3.2627	3.2627	3.2532	3.2532	3.2532	3.2532
Si2	2.4015		3.9883	3.2384	3.2384	1.5169	5.2979	1.5175	1.5175	4.2993	4.2993
Si3	2.4015	3.9883		3.2384	3.2384	5.2979	1.5169	4.2993	4.2993	1.5175	1.5175
H4	1.5204	3.2384	3.2384		2.4509	3.7126	3.7126	3.7263	4.4627	4.4627	3.7263
H5	1.5204	3.2384	3.2384	2.4509		3.7126	3.7126	4.4627	3.7263	3.7263	4.4627
H6	3.2627	1.5169	5.2979	3.7126	3.7126		6.4606	2.4657	2.4657	5.6825	5.6825
H7	3.2627	5.2979	1.5169	3.7126	3.7126	6.4606		5.6825	5.6825	2.4657	2.4657
H8	3.2532	1.5175	4.2993	3.7263	4.4627	2.4657	5.6825		2.4604	4.7449	4.0572
H9	3.2532	1.5175	4.2993	4.4627	3.7263	2.4657	5.6825	2.4604		4.0572	4.7449
H10	3.2532	4.2993	1.5175	4.4627	3.7263	5.6825	2.4657	4.7449	4.0572		2.4604
H11	3.2532	4.2993	1.5175	3.7263	4.4627	5.6825	2.4657	4.0572	4.7449	2.4604

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.717	S1	S2	H8	110.170
S1	S2	H9	110.170	S1	S3	H7	110.717
S1	S3	H10	110.170	S1	S3	H11	110.170
S2	S1	S3	112.275	S2	S1	H4	109.257
S2	S1	H5	109.257	S3	S1	H4	109.257
S3	S1	H5	109.257	H4	S1	H5	107.417
H6	S2	H8	108.698	H6	S2	H9	108.698
H7	S3	H10	108.698	H7	S3	H11	108.698
H8	S2	H9	108.329	H10	S3	H11	108.329

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2/CEP-31G

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/CEP-31G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)