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	hartrees
Energy at 0K	-871.766902
Energy at 298.15K	-871.774705
HF Energy	-871.436728
Nuclear repulsion energy	191.247842

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2286	2112	145.80
2	A₁	2279	2106	26.06
3	A₁	2260	2088	81.39
4	A₁	992	916	87.03
5	A₁	969	895	6.09
6	A₁	932	861	217.04
7	A₁	588	543	8.08
8	A₁	393	363	0.60
9	A₁	101	93	1.67
10	A₂	2282	2109	0.00
11	A₂	982	908	0.00
12	A₂	735	679	0.00
13	A₂	435	402	0.00
14	A₂	86	80	0.00
15	B₁	2287	2113	267.88
16	B₁	2268	2095	21.72
17	B₁	986	911	92.01
18	B₁	620	572	10.71
19	B₁	326	301	24.43
20	B₁	101	93	0.04
21	B₂	2285	2111	91.68
22	B₂	2274	2101	103.81
23	B₂	983	908	40.95
24	B₂	920	850	359.89
25	B₂	752	695	314.55
26	B₂	476	439	10.47
27	B₂	452	417	19.29

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.907
Si2	0.000	1.954	-0.426
Si3	0.000	-1.954	-0.426
H4	1.206	0.000	1.784
H5	-1.206	0.000	1.784
H6	0.000	3.176	0.422
H7	0.000	-3.176	0.422
H8	1.208	1.975	-1.295
H9	-1.208	1.975	-1.295
H10	-1.208	-1.975	-1.295
H11	1.208	-1.975	-1.295

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3661	2.3661	1.4904	1.4904	3.2127	3.2127	3.1951	3.1951	3.1951	3.1951
Si2	2.3661		3.9087	3.1870	3.1870	1.4875	5.1999	1.4879	1.4879	4.2013	4.2013
Si3	2.3661	3.9087		3.1870	3.1870	5.1999	1.4875	4.2013	4.2013	1.4879	1.4879
H4	1.4904	3.1870	3.1870		2.4112	3.6596	3.6596	3.6575	4.3820	4.3820	3.6575
H5	1.4904	3.1870	3.1870	2.4112		3.6596	3.6596	4.3820	3.6575	3.6575	4.3820
H6	3.2127	1.4875	5.1999	3.6596	3.6596		6.3517	2.4189	2.4189	5.5621	5.5621
H7	3.2127	5.1999	1.4875	3.6596	3.6596	6.3517		5.5621	5.5621	2.4189	2.4189
H8	3.1951	1.4879	4.2013	3.6575	4.3820	2.4189	5.5621		2.4158	4.6297	3.9494
H9	3.1951	1.4879	4.2013	4.3820	3.6575	2.4189	5.5621	2.4158		3.9494	4.6297
H10	3.1951	4.2013	1.4879	4.3820	3.6575	5.5621	2.4189	4.6297	3.9494		2.4158
H11	3.1951	4.2013	1.4879	3.6575	4.3820	5.5621	2.4189	3.9494	4.6297	2.4158

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.894	S1	S2	H8	109.900
S1	S2	H9	109.900	S1	S3	H7	110.894
S1	S3	H10	109.900	S1	S3	H11	109.900
S2	S1	S3	111.377	S2	S1	H4	109.354
S2	S1	H5	109.354	S3	S1	H4	109.354
S3	S1	H5	109.354	H4	S1	H5	107.981
H6	S2	H8	108.777	H6	S2	H9	108.777
H7	S3	H10	108.777	H7	S3	H11	108.777
H8	S2	H9	108.543	H10	S3	H11	108.543

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CID/cc-pVDZ

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: CID/cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)