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	hartrees
Energy at 0K	-871.947126
Energy at 298.15K	-871.954865
HF Energy	-871.489755
Nuclear repulsion energy	192.512669

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2243	2141	118.02
2	A₁	2237	2135	36.19
3	A₁	2216	2115	70.79
4	A₁	973	928	74.19
5	A₁	950	907	4.54
6	A₁	913	871	199.07
7	A₁	577	551	6.63
8	A₁	395	377	0.61
9	A₁	96	92	1.48
10	A₂	2238	2136	0.00
11	A₂	964	921	0.00
12	A₂	718	685	0.00
13	A₂	426	407	0.00
14	A₂	87	84	0.00
15	B₁	2243	2141	239.39
16	B₁	2222	2121	22.88
17	B₁	968	924	80.02
18	B₁	607	580	9.54
19	B₁	323	308	21.64
20	B₁	103	98	0.06
21	B₂	2241	2139	99.78
22	B₂	2232	2131	77.07
23	B₂	964	921	37.59
24	B₂	901	860	327.98
25	B₂	735	702	291.64
26	B₂	472	451	8.30
27	B₂	444	424	19.74

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.908
Si2	0.000	1.934	-0.426
Si3	0.000	-1.934	-0.426
H4	1.200	0.000	1.782
H5	-1.200	0.000	1.782
H6	0.000	3.161	0.406
H7	0.000	-3.161	0.406
H8	1.203	1.950	-1.292
H9	-1.203	1.950	-1.292
H10	-1.203	-1.950	-1.292
H11	1.203	-1.950	-1.292

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3498	2.3498	1.4851	1.4851	3.2001	3.2001	3.1765	3.1765	3.1765	3.1765
Si2	2.3498		3.8687	3.1717	3.1717	1.4818	5.1624	1.4824	1.4824	4.1572	4.1572
Si3	2.3498	3.8687		3.1717	3.1717	5.1624	1.4818	4.1572	4.1572	1.4824	1.4824
H4	1.4851	3.1717	3.1717		2.4010	3.6502	3.6502	3.6408	4.3624	4.3624	3.6408
H5	1.4851	3.1717	3.1717	2.4010		3.6502	3.6502	4.3624	3.6408	3.6408	4.3624
H6	3.2001	1.4818	5.1624	3.6502	3.6502		6.3210	2.4080	2.4080	5.5177	5.5177
H7	3.2001	5.1624	1.4818	3.6502	3.6502	6.3210		5.5177	5.5177	2.4080	2.4080
H8	3.1765	1.4824	4.1572	3.6408	4.3624	2.4080	5.5177		2.4054	4.5814	3.8991
H9	3.1765	1.4824	4.1572	4.3624	3.6408	2.4080	5.5177	2.4054		3.8991	4.5814
H10	3.1765	4.1572	1.4824	4.3624	3.6408	5.5177	2.4080	4.5814	3.8991		2.4054
H11	3.1765	4.1572	1.4824	3.6408	4.3624	5.5177	2.4080	3.8991	4.5814	2.4054

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.246	S1	S2	H8	109.895
S1	S2	H9	109.895	S1	S3	H7	111.246
S1	S3	H10	109.895	S1	S3	H11	109.895
S2	S1	S3	110.817	S2	S1	H4	109.525
S2	S1	H5	109.525	S3	S1	H4	109.525
S3	S1	H5	109.525	H4	S1	H5	107.870
H6	S2	H8	108.649	H6	S2	H9	108.649
H7	S3	H10	108.649	H7	S3	H11	108.649
H8	S2	H9	108.443	H10	S3	H11	108.443

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: QCISD/cc-pV(T+d)Z

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-pV(T+d)Z

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)