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	hartrees
Energy at 0K	-871.843168
Energy at 298.15K	-871.851019
HF Energy	-871.459837
Nuclear repulsion energy	192.647152

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2283	2283	139.40
2	A₁	2276	2276	32.71
3	A₁	2254	2254	83.67
4	A₁	986	986	82.49
5	A₁	965	965	30.69
6	A₁	931	931	215.01
7	A₁	595	595	11.07
8	A₁	397	397	0.94
9	A₁	102	102	2.02
10	A₂	2278	2278	0.00
11	A₂	976	976	0.00
12	A₂	736	736	0.00
13	A₂	447	447	0.00
14	A₂	82	82	0.00
15	B₁	2283	2283	268.41
16	B₁	2261	2261	32.08
17	B₁	979	979	100.00
18	B₁	625	625	13.78
19	B₁	339	339	32.30
20	B₁	103	103	0.14
21	B₂	2282	2282	99.30
22	B₂	2271	2271	89.89
23	B₂	977	977	37.09
24	B₂	925	925	369.75
25	B₂	762	762	353.48
26	B₂	480	480	15.94
27	B₂	460	460	19.30

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.889
Si2	0.000	1.946	-0.418
Si3	0.000	-1.946	-0.418
H4	1.199	0.000	1.762
H5	-1.199	0.000	1.762
H6	0.000	3.153	0.437
H7	0.000	-3.153	0.437
H8	1.201	1.976	-1.283
H9	-1.201	1.976	-1.283
H10	-1.201	-1.976	-1.283
H11	1.201	-1.976	-1.283

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3438	2.3438	1.4832	1.4832	3.1854	3.1854	3.1722	3.1722	3.1722	3.1722
Si2	2.3438		3.8911	3.1586	3.1586	1.4798	5.1700	1.4804	1.4804	4.1913	4.1913
Si3	2.3438	3.8911		3.1586	3.1586	5.1700	1.4798	4.1913	4.1913	1.4804	1.4804
H4	1.4832	3.1586	3.1586		2.3975	3.6243	3.6243	3.6299	4.3516	4.3516	3.6299
H5	1.4832	3.1586	3.1586	2.3975		3.6243	3.6243	4.3516	3.6299	3.6299	4.3516
H6	3.1854	1.4798	5.1700	3.6243	3.6243		6.3064	2.4057	2.4057	5.5414	5.5414
H7	3.1854	5.1700	1.4798	3.6243	3.6243	6.3064		5.5414	5.5414	2.4057	2.4057
H8	3.1722	1.4804	4.1913	3.6299	4.3516	2.4057	5.5414		2.4025	4.6245	3.9515
H9	3.1722	1.4804	4.1913	4.3516	3.6299	2.4057	5.5414	2.4025		3.9515	4.6245
H10	3.1722	4.1913	1.4804	4.3516	3.6299	5.5414	2.4057	4.6245	3.9515		2.4025
H11	3.1722	4.1913	1.4804	3.6299	4.3516	5.5414	2.4057	3.9515	4.6245	2.4025

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.801	S1	S2	H8	110.037
S1	S2	H9	110.037	S1	S3	H7	110.801
S1	S3	H10	110.037	S1	S3	H11	110.037
S2	S1	S3	112.213	S2	S1	H4	109.171
S2	S1	H5	109.171	S3	S1	H4	109.171
S3	S1	H5	109.171	H4	S1	H5	107.847
H6	S2	H8	108.720	H6	S2	H9	108.720
H7	S3	H10	108.720	H7	S3	H11	108.720
H8	S2	H9	108.473	H10	S3	H11	108.473

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCSD/6-311G**

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: CCSD/6-311G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)