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	hartrees
Energy at 0K	-871.940116
Energy at 298.15K	-871.947837
HF Energy	-871.482323
Nuclear repulsion energy	192.174538

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2246	2146	126.06
2	A₁	2238	2138	27.82
3	A₁	2217	2118	72.88
4	A₁	970	927	74.42
5	A₁	948	906	3.45
6	A₁	910	869	196.74
7	A₁	575	550	6.57
8	A₁	394	376	0.60
9	A₁	96	92	1.47
10	A₂	2241	2141	0.00
11	A₂	962	919	0.00
12	A₂	716	684	0.00
13	A₂	426	407	0.00
14	A₂	86	82	0.00
15	B₁	2246	2146	240.57
16	B₁	2225	2126	23.62
17	B₁	966	923	78.89
18	B₁	606	579	9.49
19	B₁	322	308	21.38
20	B₁	101	96	0.06
21	B₂	2244	2144	92.24
22	B₂	2233	2134	85.04
23	B₂	962	920	36.81
24	B₂	898	858	325.80
25	B₂	733	701	292.93
26	B₂	472	451	7.68
27	B₂	443	423	19.81

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.908
Si2	0.000	1.939	-0.426
Si3	0.000	-1.939	-0.426
H4	1.203	0.000	1.784
H5	-1.203	0.000	1.784
H6	0.000	3.165	0.411
H7	0.000	-3.165	0.411
H8	1.205	1.956	-1.294
H9	-1.205	1.956	-1.294
H10	-1.205	-1.956	-1.294
H11	1.205	-1.956	-1.294

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3532	2.3532	1.4880	1.4880	3.2038	3.2038	3.1822	3.1822	3.1822	3.1822
Si2	2.3532		3.8779	3.1762	3.1762	1.4847	5.1722	1.4853	1.4853	4.1688	4.1688
Si3	2.3532	3.8779		3.1762	3.1762	5.1722	1.4847	4.1688	4.1688	1.4853	1.4853
H4	1.4880	3.1762	3.1762		2.4053	3.6535	3.6535	3.6469	4.3700	4.3700	3.6469
H5	1.4880	3.1762	3.1762	2.4053		3.6535	3.6535	4.3700	3.6469	3.6469	4.3700
H6	3.2038	1.4847	5.1722	3.6535	3.6535		6.3302	2.4127	2.4127	5.5307	5.5307
H7	3.2038	5.1722	1.4847	3.6535	3.6535	6.3302		5.5307	5.5307	2.4127	2.4127
H8	3.1822	1.4853	4.1688	3.6469	4.3700	2.4127	5.5307		2.4100	4.5953	3.9127
H9	3.1822	1.4853	4.1688	4.3700	3.6469	2.4127	5.5307	2.4100		3.9127	4.5953
H10	3.1822	4.1688	1.4853	4.3700	3.6469	5.5307	2.4127	4.5953	3.9127		2.4100
H11	3.1822	4.1688	1.4853	3.6469	4.3700	5.5307	2.4127	3.9127	4.5953	2.4100

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.160	S1	S2	H8	109.930
S1	S2	H9	109.930	S1	S3	H7	111.160
S1	S3	H10	109.930	S1	S3	H11	109.930
S2	S1	S3	110.964	S2	S1	H4	109.492
S2	S1	H5	109.492	S3	S1	H4	109.492
S3	S1	H5	109.492	H4	S1	H5	107.852
H6	S2	H8	108.656	H6	S2	H9	108.656
H7	S3	H10	108.656	H7	S3	H11	108.656
H8	S2	H9	108.449	H10	S3	H11	108.449

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: QCISD/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: QCISD/cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)