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	hartrees
Energy at 0K	-873.303252
Energy at 298.15K	-873.310756
HF Energy	-873.303252
Nuclear repulsion energy	192.832806

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2195	2099	109.50
2	A₁	2188	2093	45.53
3	A₁	2161	2068	64.62
4	A₁	956	914	67.70
5	A₁	932	891	1.34
6	A₁	893	854	182.56
7	A₁	568	543	5.98
8	A₁	392	375	0.64
9	A₁	97	93	1.37
10	A₂	2190	2095	0.00
11	A₂	949	908	0.00
12	A₂	713	682	0.00
13	A₂	424	405	0.00
14	A₂	30	28	0.00
15	B₁	2195	2099	230.72
16	B₁	2167	2073	29.32
17	B₁	953	912	70.40
18	B₁	598	572	9.88
19	B₁	310	296	19.56
20	B₁	77	73	0.00
21	B₂	2193	2098	107.28
22	B₂	2184	2089	66.42
23	B₂	949	907	35.30
24	B₂	882	843	298.37
25	B₂	722	691	276.13
26	B₂	468	448	5.20
27	B₂	431	412	16.89

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.906
Si2	0.000	1.928	-0.425
Si3	0.000	-1.928	-0.425
H4	1.203	0.000	1.782
H5	-1.203	0.000	1.782
H6	0.000	3.156	0.411
H7	0.000	-3.156	0.411
H8	1.205	1.944	-1.293
H9	-1.205	1.944	-1.293
H10	-1.205	-1.944	-1.293
H11	1.205	-1.944	-1.293

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3429	2.3429	1.4878	1.4878	3.1946	3.1946	3.1727	3.1727	3.1727	3.1727
Si2	2.3429		3.8570	3.1675	3.1675	1.4847	5.1526	1.4852	1.4852	4.1475	4.1475
Si3	2.3429	3.8570		3.1675	3.1675	5.1526	1.4847	4.1475	4.1475	1.4852	1.4852
H4	1.4878	3.1675	3.1675		2.4054	3.6450	3.6450	3.6378	4.3622	4.3622	3.6378
H5	1.4878	3.1675	3.1675	2.4054		3.6450	3.6450	4.3622	3.6378	3.6378	4.3622
H6	3.1946	1.4847	5.1526	3.6450	3.6450		6.3119	2.4130	2.4130	5.5103	5.5103
H7	3.1946	5.1526	1.4847	3.6450	3.6450	6.3119		5.5103	5.5103	2.4130	2.4130
H8	3.1727	1.4852	4.1475	3.6378	4.3622	2.4130	5.5103		2.4095	4.5741	3.8881
H9	3.1727	1.4852	4.1475	4.3622	3.6378	2.4130	5.5103	2.4095		3.8881	4.5741
H10	3.1727	4.1475	1.4852	4.3622	3.6378	5.5103	2.4130	4.5741	3.8881		2.4095
H11	3.1727	4.1475	1.4852	3.6378	4.3622	5.5103	2.4130	3.8881	4.5741	2.4095

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.165	S1	S2	H8	109.918
S1	S2	H9	109.918	S1	S3	H7	111.165
S1	S3	H10	109.918	S1	S3	H11	109.918
S2	S1	S3	110.797	S2	S1	H4	109.530
S2	S1	H5	109.530	S3	S1	H4	109.530
S3	S1	H5	109.530	H4	S1	H5	107.872
H6	S2	H8	108.680	H6	S2	H9	108.680
H7	S3	H10	108.680	H7	S3	H11	108.680
H8	S2	H9	108.419	H10	S3	H11	108.419

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: wB97X-D/aug-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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Number	Element	Mulliken
1	Si	0.152
2	Si	0.326
3	Si	0.326
4	H	-0.068
5	H	-0.068
6	H	-0.145
7	H	-0.145
8	H	-0.094
9	H	-0.094
10	H	-0.094
11	H	-0.094

<r²>	206.662
(<r²>)^1/2	14.376

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: wB97X-D/aug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)