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	hartrees
Energy at 0K	-871.819221
Energy at 298.15K	-871.826911
HF Energy	-871.436710
Nuclear repulsion energy	190.990991

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2251	2153	129.47
2	A₁	2240	2143	17.03
3	A₁	2223	2127	73.71
4	A₁	967	925	81.32
5	A₁	945	904	2.44
6	A₁	907	868	199.76
7	A₁	573	548	7.24
8	A₁	388	372	0.57
9	A₁	98	94	1.55
10	A₂	2247	2150	0.00
11	A₂	958	917	0.00
12	A₂	717	686	0.00
13	A₂	427	408	0.00
14	A₂	85	81	0.00
15	B₁	2252	2154	230.51
16	B₁	2233	2136	20.15
17	B₁	962	921	82.46
18	B₁	604	578	9.98
19	B₁	319	305	22.17
20	B₁	99	95	0.03
21	B₂	2250	2152	74.72
22	B₂	2235	2138	98.96
23	B₂	960	918	38.17
24	B₂	894	855	336.95
25	B₂	731	699	293.62
26	B₂	469	449	8.56
27	B₂	443	423	19.10

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.911
Si2	0.000	1.954	-0.428
Si3	0.000	-1.954	-0.428
H4	1.209	0.000	1.790
H5	-1.209	0.000	1.790
H6	0.000	3.182	0.419
H7	0.000	-3.182	0.419
H8	1.211	1.972	-1.299
H9	-1.211	1.972	-1.299
H10	-1.211	-1.972	-1.299
H11	1.211	-1.972	-1.299

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3683	2.3683	1.4950	1.4950	3.2201	3.2201	3.2002	3.2002	3.2002	3.2002
Si2	2.3683		3.9082	3.1934	3.1934	1.4920	5.2059	1.4925	1.4925	4.2006	4.2006
Si3	2.3683	3.9082		3.1934	3.1934	5.2059	1.4920	4.2006	4.2006	1.4925	1.4925
H4	1.4950	3.1934	3.1934		2.4175	3.6699	3.6699	3.6655	4.3923	4.3923	3.6655
H5	1.4950	3.1934	3.1934	2.4175		3.6699	3.6699	4.3923	3.6655	3.6655	4.3923
H6	3.2201	1.4920	5.2059	3.6699	3.6699		6.3649	2.4259	2.4259	5.5673	5.5673
H7	3.2201	5.2059	1.4920	3.6699	3.6699	6.3649		5.5673	5.5673	2.4259	2.4259
H8	3.2002	1.4925	4.2006	3.6655	4.3923	2.4259	5.5673		2.4226	4.6294	3.9450
H9	3.2002	1.4925	4.2006	4.3923	3.6655	2.4259	5.5673	2.4226		3.9450	4.6294
H10	3.2002	4.2006	1.4925	4.3923	3.6655	5.5673	2.4259	4.6294	3.9450		2.4226
H11	3.2002	4.2006	1.4925	3.6655	4.3923	5.5673	2.4259	3.9450	4.6294	2.4226

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.012	S1	S2	H8	109.886
S1	S2	H9	109.886	S1	S3	H7	111.012
S1	S3	H10	109.886	S1	S3	H11	109.886
S2	S1	S3	111.199	S2	S1	H4	109.418
S2	S1	H5	109.418	S3	S1	H4	109.418
S3	S1	H5	109.418	H4	S1	H5	107.907
H6	S2	H8	108.750	H6	S2	H9	108.750
H7	S3	H10	108.750	H7	S3	H11	108.750
H8	S2	H9	108.504	H10	S3	H11	108.504

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCD/cc-pVDZ

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: CCD/cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)