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	hartrees
Energy at 0K	-873.223750
Energy at 298.15K
HF Energy	-873.223750
Nuclear repulsion energy	192.768536

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2197	2092	145.10
2	A₁	2193	2088	59.80
3	A₁	2165	2062	86.66
4	A₁	964	918	78.49
5	A₁	940	895	1.71
6	A₁	901	858	197.65
7	A₁	575	548	8.10
8	A₁	399	380	0.90
9	A₁	101	96	1.85
10	A₂	2193	2088	0.00
11	A₂	954	908	0.00
12	A₂	721	687	0.00
13	A₂	431	411	0.00
14	A₂	27i	26i	0.00
15	B₁	2198	2093	300.39
16	B₁	2170	2067	42.65
17	B₁	958	912	79.08
18	B₁	605	576	11.71
19	B₁	319	304	26.44
20	B₁	61	58	0.02
21	B₂	2195	2090	126.67
22	B₂	2187	2083	91.78
23	B₂	956	911	33.92
24	B₂	889	847	320.20
25	B₂	733	698	305.45
26	B₂	481	458	5.25
27	B₂	444	423	22.66

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.896
Si2	0.000	1.936	-0.421
Si3	0.000	-1.936	-0.421
H4	1.202	0.000	1.774
H5	-1.202	0.000	1.774
H6	0.000	3.156	0.426
H7	0.000	-3.156	0.426
H8	1.205	1.960	-1.290
H9	-1.205	1.960	-1.290
H10	-1.205	-1.960	-1.290
H11	1.205	-1.960	-1.290

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3407	2.3407	1.4885	1.4885	3.1905	3.1905	3.1733	3.1733	3.1733	3.1733
Si2	2.3407		3.8711	3.1634	3.1634	1.4853	5.1613	1.4859	1.4859	4.1694	4.1694
Si3	2.3407	3.8711		3.1634	3.1634	5.1613	1.4853	4.1694	4.1694	1.4859	1.4859
H4	1.4885	3.1634	3.1634		2.4031	3.6359	3.6359	3.6373	4.3613	4.3613	3.6373
H5	1.4885	3.1634	3.1634	2.4031		3.6359	3.6359	4.3613	3.6373	3.6373	4.3613
H6	3.1905	1.4853	5.1613	3.6359	3.6359		6.3116	2.4138	2.4138	5.5290	5.5290
H7	3.1905	5.1613	1.4853	3.6359	3.6359	6.3116		5.5290	5.5290	2.4138	2.4138
H8	3.1733	1.4859	4.1694	3.6373	4.3613	2.4138	5.5290		2.4098	4.6017	3.9203
H9	3.1733	1.4859	4.1694	4.3613	3.6373	2.4138	5.5290	2.4098		3.9203	4.6017
H10	3.1733	4.1694	1.4859	4.3613	3.6373	5.5290	2.4138	4.6017	3.9203		2.4098
H11	3.1733	4.1694	1.4859	3.6373	4.3613	5.5290	2.4138	3.9203	4.6017	2.4098

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.019	S1	S2	H8	110.036
S1	S2	H9	110.036	S1	S3	H7	111.019
S1	S3	H10	110.036	S1	S3	H11	110.036
S2	S1	S3	111.564	S2	S1	H4	109.384
S2	S1	H5	109.384	S3	S1	H4	109.384
S3	S1	H5	109.384	H4	S1	H5	107.655
H6	S2	H8	108.659	H6	S2	H9	108.659
H7	S3	H10	108.659	H7	S3	H11	108.659
H8	S2	H9	108.369	H10	S3	H11	108.369

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: wB97X-D/6-31+G**

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	0.102
2	Si	0.287
3	Si	0.287
4	H	-0.074
5	H	-0.074
6	H	-0.085
7	H	-0.085
8	H	-0.089
9	H	-0.089
10	H	-0.089
11	H	-0.089

<r²>	207.419
(<r²>)^1/2	14.402

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: wB97X-D/6-31+G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)