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	hartrees
Energy at 0K	-873.300468
Energy at 298.15K	-873.308026
HF Energy	-873.300468
Nuclear repulsion energy	193.195640

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2224	2224	100.10
2	A₁	2219	2219	53.08
3	A₁	2192	2192	63.17
4	A₁	960	960	65.33
5	A₁	935	935	2.03
6	A₁	898	898	182.43
7	A₁	571	571	5.84
8	A₁	392	392	0.62
9	A₁	99	99	1.32
10	A₂	2219	2219	0.00
11	A₂	953	953	0.00
12	A₂	717	717	0.00
13	A₂	425	425	0.00
14	A₂	43	43	0.00
15	B₁	2224	2224	224.20
16	B₁	2197	2197	29.58
17	B₁	958	958	69.62
18	B₁	601	601	9.61
19	B₁	311	311	19.31
20	B₁	85	85	0.00
21	B₂	2222	2222	111.27
22	B₂	2215	2215	60.83
23	B₂	952	952	35.83
24	B₂	886	886	298.26
25	B₂	727	727	274.98
26	B₂	468	468	5.40
27	B₂	433	433	15.86

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.904
Si2	0.000	1.925	-0.424
Si3	0.000	-1.925	-0.424
H4	1.201	0.000	1.777
H5	-1.201	0.000	1.777
H6	0.000	3.150	0.411
H7	0.000	-3.150	0.411
H8	1.202	1.941	-1.290
H9	-1.202	1.941	-1.290
H10	-1.202	-1.941	-1.290
H11	1.202	-1.941	-1.290

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3385	2.3385	1.4847	1.4847	3.1882	3.1882	3.1665	3.1665	3.1665	3.1665
Si2	2.3385		3.8505	3.1610	3.1610	1.4818	5.1432	1.4822	1.4822	4.1406	4.1406
Si3	2.3385	3.8505		3.1610	3.1610	5.1432	1.4818	4.1406	4.1406	1.4822	1.4822
H4	1.4847	3.1610	3.1610		2.4011	3.6374	3.6374	3.6300	4.3533	4.3533	3.6300
H5	1.4847	3.1610	3.1610	2.4011		3.6374	3.6374	4.3533	3.6300	3.6300	4.3533
H6	3.1882	1.4818	5.1432	3.6374	3.6374		6.2996	2.4083	2.4083	5.5005	5.5005
H7	3.1882	5.1432	1.4818	3.6374	3.6374	6.2996		5.5005	5.5005	2.4083	2.4083
H8	3.1665	1.4822	4.1406	3.6300	4.3533	2.4083	5.5005		2.4049	4.5666	3.8820
H9	3.1665	1.4822	4.1406	4.3533	3.6300	2.4083	5.5005	2.4049		3.8820	4.5666
H10	3.1665	4.1406	1.4822	4.3533	3.6300	5.5005	2.4083	4.5666	3.8820		2.4049
H11	3.1665	4.1406	1.4822	3.6300	4.3533	5.5005	2.4083	3.8820	4.5666	2.4049

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.148	S1	S2	H8	109.913
S1	S2	H9	109.913	S1	S3	H7	111.148
S1	S3	H10	109.913	S1	S3	H11	109.913
S2	S1	S3	110.829	S2	S1	H4	109.510
S2	S1	H5	109.510	S3	S1	H4	109.510
S3	S1	H5	109.510	H4	S1	H5	107.918
H6	S2	H8	108.685	H6	S2	H9	108.685
H7	S3	H10	108.685	H7	S3	H11	108.685
H8	S2	H9	108.438	H10	S3	H11	108.438

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: wB97X-D/6-311+G(3df,2p)

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	0.128
2	Si	0.045
3	Si	0.045
4	H	-0.032
5	H	-0.032
6	H	-0.027
7	H	-0.027
8	H	-0.025
9	H	-0.025
10	H	-0.025
11	H	-0.025

<r²>	205.984
(<r²>)^1/2	14.352

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: wB97X-D/6-311+G(3df,2p)

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)