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	hartrees
Energy at 0K	-863.230297
Energy at 298.15K	-863.238590
HF Energy	-863.230297
Nuclear repulsion energy	199.938279

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2782	2782	33.89
2	A₁	2734	2734	4.58
3	A₁	2725	2725	14.93
4	A₁	1158	1158	100.56
5	A₁	1143	1143	1.03
6	A₁	1083	1083	197.26
7	A₁	695	695	15.11
8	A₁	505	505	2.95
9	A₁	140	140	2.12
10	A₂	2784	2784	0.00
11	A₂	1148	1148	0.00
12	A₂	879	879	0.00
13	A₂	578	578	0.00
14	A₂	99	99	0.00
15	B₁	2785	2785	52.53
16	B₁	2756	2756	15.66
17	B₁	1150	1150	92.55
18	B₁	720	720	17.26
19	B₁	431	431	32.28
20	B₁	103	103	0.02
21	B₂	2782	2782	12.02
22	B₂	2734	2734	19.46
23	B₂	1152	1152	33.81
24	B₂	1068	1068	297.05
25	B₂	901	901	331.58
26	B₂	620	620	6.08
27	B₂	592	592	27.67

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.837
Si2	0.000	1.876	-0.394
Si3	0.000	-1.876	-0.394
H4	1.154	0.000	1.701
H5	-1.154	0.000	1.701
H6	0.000	3.050	0.441
H7	0.000	-3.050	0.441
H8	1.163	1.940	-1.243
H9	-1.163	1.940	-1.243
H10	-1.163	-1.940	-1.243
H11	1.163	-1.940	-1.243

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.2438	2.2438	1.4420	1.4420	3.0761	3.0761	3.0723	3.0723	3.0723	3.0723
Si2	2.2438		3.7525	3.0400	3.0400	1.4407	4.9969	1.4412	1.4412	4.0785	4.0785
Si3	2.2438	3.7525		3.0400	3.0400	4.9969	1.4407	4.0785	4.0785	1.4412	1.4412
H4	1.4420	3.0400	3.0400		2.3082	3.4966	3.4966	3.5256	4.2188	4.2188	3.5256
H5	1.4420	3.0400	3.0400	2.3082		3.4966	3.4966	4.2188	3.5256	3.5256	4.2188
H6	3.0761	1.4407	4.9969	3.4966	3.4966		6.1010	2.3283	2.3283	5.3934	5.3934
H7	3.0761	4.9969	1.4407	3.4966	3.4966	6.1010		5.3934	5.3934	2.3283	2.3283
H8	3.0723	1.4412	4.0785	3.5256	4.2188	2.3283	5.3934		2.3259	4.5231	3.8793
H9	3.0723	1.4412	4.0785	4.2188	3.5256	2.3283	5.3934	2.3259		3.8793	4.5231
H10	3.0723	4.0785	1.4412	4.2188	3.5256	5.3934	2.3283	4.5231	3.8793		2.3259
H11	3.0723	4.0785	1.4412	3.5256	4.2188	5.3934	2.3283	3.8793	4.5231	2.3259

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.330	S1	S2	H8	111.090
S1	S2	H9	111.090	S1	S3	H7	111.330
S1	S3	H10	111.090	S1	S3	H11	111.090
S2	S1	S3	113.478	S2	S1	H4	109.197
S2	S1	H5	109.197	S3	S1	H4	109.197
S3	S1	H5	109.197	H4	S1	H5	106.325
H6	S2	H8	107.783	H6	S2	H9	107.783
H7	S3	H10	107.783	H7	S3	H11	107.783
H8	S2	H9	107.593	H10	S3	H11	107.593

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: wB97X-D/STO-3G

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	0.250
2	Si	0.366
3	Si	0.366
4	H	-0.121
5	H	-0.121
6	H	-0.122
7	H	-0.122
8	H	-0.124
9	H	-0.124
10	H	-0.124
11	H	-0.124

<r²>	192.567
(<r²>)^1/2	13.877

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: wB97X-D/STO-3G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)