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	hartrees
Energy at 0K	-873.174833
Energy at 298.15K	-873.182215
HF Energy	-873.174833
Nuclear repulsion energy	190.205846

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2176	2159	204.38
2	A₁	2162	2144	3.59
3	A₁	2138	2121	80.69
4	A₁	930	923	68.41
5	A₁	908	900	3.08
6	A₁	871	864	167.51
7	A₁	552	547	6.31
8	A₁	366	363	0.61
9	A₁	97	96	1.23
10	A₂	2176	2158	0.00
11	A₂	920	912	0.00
12	A₂	699	693	0.00
13	A₂	416	413	0.00
14	A₂	61	61	0.00
15	B₁	2181	2164	309.11
16	B₁	2150	2133	41.07
17	B₁	924	917	68.78
18	B₁	582	577	9.41
19	B₁	310	307	16.45
20	B₁	85	84	0.04
21	B₂	2174	2157	59.35
22	B₂	2157	2139	149.42
23	B₂	923	915	28.89
24	B₂	859	852	306.42
25	B₂	712	706	320.82
26	B₂	448	445	6.80
27	B₂	428	424	10.92

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.885
Si2	0.000	1.979	-0.417
Si3	0.000	-1.979	-0.417
H4	1.206	0.000	1.781
H5	-1.206	0.000	1.781
H6	0.000	3.195	0.458
H7	0.000	-3.195	0.458
H8	1.213	2.034	-1.296
H9	-1.213	2.034	-1.296
H10	-1.213	-2.034	-1.296
H11	1.213	-2.034	-1.296

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3691	2.3691	1.5024	1.5024	3.2237	3.2237	3.2193	3.2193	3.2193	3.2193
Si2	2.3691		3.9578	3.1944	3.1944	1.4989	5.2478	1.4987	1.4987	4.2829	4.2829
Si3	2.3691	3.9578		3.1944	3.1944	5.2478	1.4989	4.2829	4.2829	1.4987	1.4987
H4	1.5024	3.1944	3.1944		2.4123	3.6625	3.6625	3.6883	4.4108	4.4108	3.6883
H5	1.5024	3.1944	3.1944	2.4123		3.6625	3.6625	4.4108	3.6883	3.6883	4.4108
H6	3.2237	1.4989	5.2478	3.6625	3.6625		6.3906	2.4287	2.4287	5.6472	5.6472
H7	3.2237	5.2478	1.4989	3.6625	3.6625	6.3906		5.6472	5.6472	2.4287	2.4287
H8	3.2193	1.4987	4.2829	3.6883	4.4108	2.4287	5.6472		2.4258	4.7357	4.0673
H9	3.2193	1.4987	4.2829	4.4108	3.6883	2.4287	5.6472	2.4258		4.0673	4.7357
H10	3.2193	4.2829	1.4987	4.4108	3.6883	5.6472	2.4287	4.7357	4.0673		2.4258
H11	3.2193	4.2829	1.4987	3.6883	4.4108	5.6472	2.4287	4.0673	4.7357	2.4258

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.889	S1	S2	H8	110.659
S1	S2	H9	110.659	S1	S3	H7	110.889
S1	S3	H10	110.659	S1	S3	H11	110.659
S2	S1	S3	113.291	S2	S1	H4	109.137
S2	S1	H5	109.137	S3	S1	H4	109.137
S3	S1	H5	109.137	H4	S1	H5	106.799
H6	S2	H8	108.236	H6	S2	H9	108.236
H7	S3	H10	108.236	H7	S3	H11	108.236
H8	S2	H9	108.061	H10	S3	H11	108.061

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: BLYP/6-31G*

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	0.041
2	Si	0.126
3	Si	0.126
4	H	-0.033
5	H	-0.033
6	H	-0.037
7	H	-0.037
8	H	-0.038
9	H	-0.038
10	H	-0.038
11	H	-0.038

<r²>	213.631
(<r²>)^1/2	14.616

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: BLYP/6-31G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)