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	hartrees
Energy at 0K	-873.376989
Energy at 298.15K	-873.384613
HF Energy	-873.376989
Nuclear repulsion energy	191.632301

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2218	2145	152.35
2	A₁	2209	2136	8.25
3	A₁	2187	2115	65.97
4	A₁	955	924	72.64
5	A₁	931	900	1.05
6	A₁	893	863	180.15
7	A₁	565	546	6.02
8	A₁	376	363	0.51
9	A₁	99	96	1.30
10	A₂	2216	2143	0.00
11	A₂	947	916	0.00
12	A₂	709	685	0.00
13	A₂	421	407	0.00
14	A₂	83	80	0.00
15	B₁	2222	2148	236.98
16	B₁	2196	2123	26.43
17	B₁	951	920	72.51
18	B₁	594	575	9.09
19	B₁	318	307	18.69
20	B₁	99	96	0.04
21	B₂	2217	2143	62.04
22	B₂	2205	2131	111.36
23	B₂	948	917	34.08
24	B₂	880	851	319.53
25	B₂	721	697	302.62
26	B₂	456	441	9.52
27	B₂	435	420	12.76

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.892
Si2	0.000	1.958	-0.420
Si3	0.000	-1.958	-0.420
H4	1.201	0.000	1.772
H5	-1.201	0.000	1.772
H6	0.000	3.170	0.440
H7	0.000	-3.170	0.440
H8	1.205	1.995	-1.288
H9	-1.205	1.995	-1.288
H10	-1.205	-1.995	-1.288
H11	1.205	-1.995	-1.288

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3566	2.3566	1.4890	1.4890	3.2015	3.2015	3.1909	3.1909	3.1909	3.1909
Si2	2.3566		3.9158	3.1747	3.1747	1.4858	5.1991	1.4858	1.4858	4.2224	4.2224
Si3	2.3566	3.9158		3.1747	3.1747	5.1991	1.4858	4.2224	4.2224	1.4858	1.4858
H4	1.4890	3.1747	3.1747		2.4026	3.6416	3.6416	3.6522	4.3738	4.3738	3.6522
H5	1.4890	3.1747	3.1747	2.4026		3.6416	3.6416	4.3738	3.6522	3.6522	4.3738
H6	3.2015	1.4858	5.1991	3.6416	3.6416		6.3391	2.4124	2.4124	5.5774	5.5774
H7	3.2015	5.1991	1.4858	3.6416	3.6416	6.3391		5.5774	5.5774	2.4124	2.4124
H8	3.1909	1.4858	4.2224	3.6522	4.3738	2.4124	5.5774		2.4106	4.6610	3.9892
H9	3.1909	1.4858	4.2224	4.3738	3.6522	2.4124	5.5774	2.4106		3.9892	4.6610
H10	3.1909	4.2224	1.4858	4.3738	3.6522	5.5774	2.4124	4.6610	3.9892		2.4106
H11	3.1909	4.2224	1.4858	3.6522	4.3738	5.5774	2.4124	3.9892	4.6610	2.4106

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B3LYPultrafine/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: B3LYPultrafine/cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)