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	hartrees
Energy at 0K	-870.654451
Energy at 298.15K	-870.661720
HF Energy	-870.654451
Nuclear repulsion energy	193.753811

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2182	2147	118.40
2	A₁	2162	2127	8.53
3	A₁	2149	2114	52.22
4	A₁	900	886	47.25
5	A₁	872	858	1.40
6	A₁	826	812	131.72
7	A₁	537	528	3.16
8	A₁	392	386	0.57
9	A₁	84	83	0.94
10	A₂	2181	2145	0.00
11	A₂	892	877	0.00
12	A₂	683	672	0.00
13	A₂	392	386	0.00
14	A₂	67	66	0.00
15	B₁	2186	2150	203.83
16	B₁	2163	2128	14.39
17	B₁	897	882	45.51
18	B₁	564	554	6.93
19	B₁	289	284	10.80
20	B₁	91	90	0.05
21	B₂	2181	2145	54.83
22	B₂	2159	2124	87.92
23	B₂	894	880	26.89
24	B₂	813	800	214.41
25	B₂	672	661	242.16
26	B₂	467	459	2.38
27	B₂	404	398	13.57

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.902
Si2	0.000	1.906	-0.422
Si3	0.000	-1.906	-0.422
H4	1.211	0.000	1.789
H5	-1.211	0.000	1.789
H6	0.000	3.154	0.407
H7	0.000	-3.154	0.407
H8	1.214	1.918	-1.301
H9	-1.214	1.918	-1.301
H10	-1.214	-1.918	-1.301
H11	1.214	-1.918	-1.301

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3210	2.3210	1.5010	1.5010	3.1926	3.1926	3.1633	3.1633	3.1633	3.1633
Si2	2.3210		3.8123	3.1604	3.1604	1.4985	5.1278	1.4985	1.4985	4.1077	4.1077
Si3	2.3210	3.8123		3.1604	3.1604	5.1278	1.4985	4.1077	4.1077	1.4985	1.4985
H4	1.5010	3.1604	3.1604		2.4223	3.6501	3.6501	3.6366	4.3710	4.3710	3.6366
H5	1.5010	3.1604	3.1604	2.4223		3.6501	3.6501	4.3710	3.6366	3.6366	4.3710
H6	3.1926	1.4985	5.1278	3.6501	3.6501		6.3081	2.4326	2.4326	5.4883	5.4883
H7	3.1926	5.1278	1.4985	3.6501	3.6501	6.3081		5.4883	5.4883	2.4326	2.4326
H8	3.1633	1.4985	4.1077	3.6366	4.3710	2.4326	5.4883		2.4279	4.5406	3.8370
H9	3.1633	1.4985	4.1077	4.3710	3.6366	2.4326	5.4883	2.4279		3.8370	4.5406
H10	3.1633	4.1077	1.4985	4.3710	3.6366	5.4883	2.4326	4.5406	3.8370		2.4279
H11	3.1633	4.1077	1.4985	3.6366	4.3710	5.4883	2.4326	3.8370	4.5406	2.4279

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.597	S1	S2	H8	109.951
S1	S2	H9	109.951	S1	S3	H7	111.597
S1	S3	H10	109.951	S1	S3	H11	109.951
S2	S1	S3	110.424	S2	S1	H4	109.695
S2	S1	H5	109.695	S3	S1	H4	109.695
S3	S1	H5	109.695	H4	S1	H5	107.588
H6	S2	H8	108.524	H6	S2	H9	108.524
H7	S3	H10	108.524	H7	S3	H11	108.524
H8	S2	H9	108.213	H10	S3	H11	108.213

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: SVWN/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	-0.024
2	Si	0.073
3	Si	0.073
4	H	-0.008
5	H	-0.008
6	H	-0.018
7	H	-0.018
8	H	-0.018
9	H	-0.018
10	H	-0.018
11	H	-0.018

<r²>	203.502
(<r²>)^1/2	14.265

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: SVWN/6-31G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)