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	hartrees
Energy at 0K	-872.063082
Energy at 298.15K	-872.070928
HF Energy	-871.442707
Nuclear repulsion energy	193.031894

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2269	2149	143.77
2	A₁	2262	2142	27.41
3	A₁	2238	2119	77.95
4	A₁	984	932	78.76
5	A₁	961	910	21.63
6	A₁	926	877	212.15
7	A₁	598	566	9.43
8	A₁	401	380	0.84
9	A₁	102	96	1.84
10	A₂	2265	2145	0.00
11	A₂	974	923	0.00
12	A₂	742	703	0.00
13	A₂	446	422	0.00
14	A₂	86	81	0.00
15	B₁	2269	2149	260.54
16	B₁	2245	2126	33.29
17	B₁	978	927	92.48
18	B₁	628	595	13.39
19	B₁	337	319	28.57
20	B₁	108	102	0.13
21	B₂	2267	2147	95.24
22	B₂	2257	2138	93.42
23	B₂	975	924	37.72
24	B₂	919	871	352.90
25	B₂	759	719	330.34
26	B₂	482	457	11.42
27	B₂	460	436	20.78

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.894
Si2	0.000	1.933	-0.420
Si3	0.000	-1.933	-0.420
H4	1.202	0.000	1.769
H5	-1.202	0.000	1.769
H6	0.000	3.150	0.427
H7	0.000	-3.150	0.427
H8	1.204	1.956	-1.287
H9	-1.204	1.956	-1.287
H10	-1.204	-1.956	-1.287
H11	1.204	-1.956	-1.287

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3378	2.3378	1.4866	1.4866	3.1847	3.1847	3.1673	3.1673	3.1673	3.1673
Si2	2.3378		3.8667	3.1582	3.1582	1.4831	5.1538	1.4835	1.4835	4.1627	4.1627
Si3	2.3378	3.8667		3.1582	3.1582	5.1538	1.4831	4.1627	4.1627	1.4835	1.4835
H4	1.4866	3.1582	3.1582		2.4048	3.6289	3.6289	3.6276	4.3532	4.3532	3.6276
H5	1.4866	3.1582	3.1582	2.4048		3.6289	3.6289	4.3532	3.6276	3.6276	4.3532
H6	3.1847	1.4831	5.1538	3.6289	3.6289		6.3006	2.4111	2.4111	5.5193	5.5193
H7	3.1847	5.1538	1.4831	3.6289	3.6289	6.3006		5.5193	5.5193	2.4111	2.4111
H8	3.1673	1.4835	4.1627	3.6276	4.3532	2.4111	5.5193		2.4081	4.5940	3.9123
H9	3.1673	1.4835	4.1627	4.3532	3.6276	2.4111	5.5193	2.4081		3.9123	4.5940
H10	3.1673	4.1627	1.4835	4.3532	3.6276	5.5193	2.4111	4.5940	3.9123		2.4081
H11	3.1673	4.1627	1.4835	3.6276	4.3532	5.5193	2.4111	3.9123	4.5940	2.4081

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.934	S1	S2	H8	109.941
S1	S2	H9	109.941	S1	S3	H7	110.934
S1	S3	H10	109.941	S1	S3	H11	109.941
S2	S1	S3	111.579	S2	S1	H4	109.308
S2	S1	H5	109.308	S3	S1	H4	109.308
S3	S1	H5	109.308	H4	S1	H5	107.959
H6	S2	H8	108.732	H6	S2	H9	108.732
H7	S3	H10	108.732	H7	S3	H11	108.732
H8	S2	H9	108.508	H10	S3	H11	108.508

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2=FULL/6-311G*

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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All results from a given calculation for Si3H8 (trisilane)

using model chemistry: MP2=FULL/6-311G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)