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	hartrees
Energy at 0K	-873.290952
Energy at 298.15K	-873.298470
HF Energy	-873.290952
Nuclear repulsion energy	190.626905

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2158	2158	150.17
2	A₁	2147	2147	3.86
3	A₁	2123	2123	62.98
4	A₁	932	932	68.72
5	A₁	908	908	0.76
6	A₁	871	871	168.81
7	A₁	550	550	5.62
8	A₁	361	361	0.47
9	A₁	96	96	1.22
10	A₂	2157	2157	0.00
11	A₂	924	924	0.00
12	A₂	693	693	0.00
13	A₂	413	413	0.00
14	A₂	86	86	0.00
15	B₁	2162	2162	222.42
16	B₁	2133	2133	30.28
17	B₁	929	929	67.19
18	B₁	579	579	8.83
19	B₁	311	311	16.99
20	B₁	102	102	0.03
21	B₂	2156	2156	48.25
22	B₂	2143	2143	118.60
23	B₂	925	925	32.04
24	B₂	857	857	312.52
25	B₂	704	704	302.70
26	B₂	442	442	11.07
27	B₂	422	422	7.57

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.890
Si2	0.000	1.973	-0.420
Si3	0.000	-1.973	-0.420
H4	1.205	0.000	1.777
H5	-1.205	0.000	1.777
H6	0.000	3.186	0.449
H7	0.000	-3.186	0.449
H8	1.209	2.017	-1.292
H9	-1.209	2.017	-1.292
H10	-1.209	-2.017	-1.292
H11	1.209	-2.017	-1.292

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3683	2.3683	1.4954	1.4954	3.2166	3.2166	3.2081	3.2081	3.2081	3.2081
Si2	2.3683		3.9458	3.1885	3.1885	1.4919	5.2316	1.4917	1.4917	4.2591	4.2591
Si3	2.3683	3.9458		3.1885	3.1885	5.2316	1.4919	4.2591	4.2591	1.4917	1.4917
H4	1.4954	3.1885	3.1885		2.4093	3.6560	3.6560	3.6718	4.3942	4.3942	3.6718
H5	1.4954	3.1885	3.1885	2.4093		3.6560	3.6560	4.3942	3.6718	3.6718	4.3942
H6	3.2166	1.4919	5.2316	3.6560	3.6560		6.3723	2.4205	2.4205	5.6179	5.6179
H7	3.2166	5.2316	1.4919	3.6560	3.6560	6.3723		5.6179	5.6179	2.4205	2.4205
H8	3.2081	1.4917	4.2591	3.6718	4.3942	2.4205	5.6179		2.4186	4.7030	4.0335
H9	3.2081	1.4917	4.2591	4.3942	3.6718	2.4205	5.6179	2.4186		4.0335	4.7030
H10	3.2081	4.2591	1.4917	4.3942	3.6718	5.6179	2.4205	4.7030	4.0335		2.4186
H11	3.2081	4.2591	1.4917	3.6718	4.3942	5.6179	2.4205	4.0335	4.7030	2.4186

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.828	S1	S2	H8	110.363
S1	S2	H9	110.363	S1	S3	H7	110.828
S1	S3	H10	110.363	S1	S3	H11	110.363
S2	S1	S3	112.827	S2	S1	H4	109.134
S2	S1	H5	109.134	S3	S1	H4	109.134
S3	S1	H5	109.134	H4	S1	H5	107.328
H6	S2	H8	108.443	H6	S2	H9	108.443
H7	S3	H10	108.443	H7	S3	H11	108.443
H8	S2	H9	108.327	H10	S3	H11	108.327

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: BLYP/cc-pCVTZ

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	0.090
2	Si	0.096
3	Si	0.096
4	H	-0.041
5	H	-0.041
6	H	-0.033
7	H	-0.033
8	H	-0.033
9	H	-0.033
10	H	-0.033
11	H	-0.033

<r²>	213.128
(<r²>)^1/2	14.599

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: BLYP/cc-pCVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)