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	hartrees
Energy at 0K	-873.278759
Energy at 298.15K	-873.286116
HF Energy	-873.278759
Nuclear repulsion energy	191.459754

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2161	2129	155.82
2	A₁	2147	2116	10.00
3	A₁	2127	2096	74.85
4	A₁	929	916	67.47
5	A₁	903	890	0.29
6	A₁	865	852	183.75
7	A₁	550	542	5.47
8	A₁	372	366	0.56
9	A₁	93	92	1.35
10	A₂	2158	2127	0.00
11	A₂	920	907	0.00
12	A₂	688	678	0.00
13	A₂	405	399	0.00
14	A₂	48	47	0.00
15	B₁	2164	2133	260.69
16	B₁	2140	2109	23.75
17	B₁	925	912	67.87
18	B₁	578	570	9.32
19	B₁	302	297	19.34
20	B₁	81	80	0.03
21	B₂	2159	2128	73.21
22	B₂	2142	2111	116.42
23	B₂	922	909	37.73
24	B₂	851	839	294.26
25	B₂	695	685	276.63
26	B₂	445	439	7.73
27	B₂	418	412	14.56

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.918
Si2	0.000	1.938	-0.430
Si3	0.000	-1.938	-0.430
H4	1.213	0.000	1.799
H5	-1.213	0.000	1.799
H6	0.000	3.182	0.402
H7	0.000	-3.182	0.402
H8	1.215	1.946	-1.305
H9	-1.215	1.946	-1.305
H10	-1.215	-1.946	-1.305
H11	1.215	-1.946	-1.305

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3606	2.3606	1.4996	1.4996	3.2239	3.2239	3.1940	3.1940	3.1940	3.1940
Si2	2.3606		3.8763	3.1934	3.1934	1.4970	5.1878	1.4970	1.4970	4.1623	4.1623
Si3	2.3606	3.8763		3.1934	3.1934	5.1878	1.4970	4.1623	4.1623	1.4970	1.4970
H4	1.4996	3.1934	3.1934		2.4262	3.6812	3.6812	3.6637	4.3951	4.3951	3.6637
H5	1.4996	3.1934	3.1934	2.4262		3.6812	3.6812	4.3951	3.6637	3.6637	4.3951
H6	3.2239	1.4970	5.1878	3.6812	3.6812		6.3650	2.4331	2.4331	5.5396	5.5396
H7	3.2239	5.1878	1.4970	3.6812	3.6812	6.3650		5.5396	5.5396	2.4331	2.4331
H8	3.1940	1.4970	4.1623	3.6637	4.3951	2.4331	5.5396		2.4291	4.5872	3.8912
H9	3.1940	1.4970	4.1623	4.3951	3.6637	2.4331	5.5396	2.4291		3.8912	4.5872
H10	3.1940	4.1623	1.4970	4.3951	3.6637	5.5396	2.4331	4.5872	3.8912		2.4291
H11	3.1940	4.1623	1.4970	3.6637	4.3951	5.5396	2.4331	3.8912	4.5872	2.4291

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.413	S1	S2	H8	109.746
S1	S2	H9	109.746	S1	S3	H7	111.413
S1	S3	H10	109.746	S1	S3	H11	109.746
S2	S1	S3	110.375	S2	S1	H4	109.610
S2	S1	H5	109.610	S3	S1	H4	109.610
S3	S1	H5	109.610	H4	S1	H5	107.987
H6	S2	H8	108.714	H6	S2	H9	108.714
H7	S3	H10	108.714	H7	S3	H11	108.714
H8	S2	H9	108.447	H10	S3	H11	108.447

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B97D3/TZVP

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	0.096
2	Si	0.227
3	Si	0.227
4	H	-0.060
5	H	-0.060
6	H	-0.067
7	H	-0.067
8	H	-0.074
9	H	-0.074
10	H	-0.074
11	H	-0.074

<r²>	209.145
(<r²>)^1/2	14.462

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B97D3/TZVP

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)