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	hartrees
Energy at 0K	-873.101935
Energy at 298.15K	-873.109208
HF Energy	-873.101935
Nuclear repulsion energy	188.377435

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2117	2101	217.91
2	A₁	2092	2076	3.42
3	A₁	2077	2061	93.22
4	A₁	906	899	67.63
5	A₁	884	878	4.45
6	A₁	834	827	142.91
7	A₁	539	535	6.60
8	A₁	354	352	0.48
9	A₁	101	100	1.15
10	A₂	2116	2100	0.00
11	A₂	897	891	0.00
12	A₂	688	683	0.00
13	A₂	420	417	0.00
14	A₂	49	48	0.00
15	B₁	2123	2107	353.02
16	B₁	2096	2080	24.20
17	B₁	902	895	60.47
18	B₁	566	562	8.47
19	B₁	314	312	16.15
20	B₁	72	71	0.03
21	B₂	2115	2099	70.52
22	B₂	2086	2070	157.69
23	B₂	902	895	27.91
24	B₂	818	812	265.69
25	B₂	690	685	303.40
26	B₂	444	441	10.81
27	B₂	423	420	6.13

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.894
Si2	0.000	1.998	-0.422
Si3	0.000	-1.998	-0.422
H4	1.217	0.000	1.799
H5	-1.217	0.000	1.799
H6	0.000	3.226	0.463
H7	0.000	-3.226	0.463
H8	1.224	2.054	-1.309
H9	-1.224	2.054	-1.309
H10	-1.224	-2.054	-1.309
H11	1.224	-2.054	-1.309

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3925	2.3925	1.5161	1.5161	3.2545	3.2545	3.2512	3.2512	3.2512	3.2512
Si2	2.3925		3.9966	3.2253	3.2253	1.5130	5.2984	1.5127	1.5127	4.3253	4.3253
Si3	2.3925	3.9966		3.2253	3.2253	5.2984	1.5130	4.3253	4.3253	1.5127	1.5127
H4	1.5161	3.2253	3.2253		2.4333	3.6973	3.6973	3.7249	4.4533	4.4533	3.7249
H5	1.5161	3.2253	3.2253	2.4333		3.6973	3.6973	4.4533	3.7249	3.7249	4.4533
H6	3.2545	1.5130	5.2984	3.6973	3.6973		6.4516	2.4514	2.4514	5.7023	5.7023
H7	3.2545	5.2984	1.5130	3.6973	3.6973	6.4516		5.7023	5.7023	2.4514	2.4514
H8	3.2512	1.5127	4.3253	3.7249	4.4533	2.4514	5.7023		2.4481	4.7826	4.1085
H9	3.2512	1.5127	4.3253	4.4533	3.7249	2.4514	5.7023	2.4481		4.1085	4.7826
H10	3.2512	4.3253	1.5127	4.4533	3.7249	5.7023	2.4514	4.7826	4.1085		2.4481
H11	3.2512	4.3253	1.5127	3.7249	4.4533	5.7023	2.4514	4.1085	4.7826	2.4481

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.868	S1	S2	H8	110.693
S1	S2	H9	110.693	S1	S3	H7	110.868
S1	S3	H10	110.693	S1	S3	H11	110.693
S2	S1	S3	113.283	S2	S1	H4	109.153
S2	S1	H5	109.153	S3	S1	H4	109.153
S3	S1	H5	109.153	H4	S1	H5	106.736
H6	S2	H8	108.227	H6	S2	H9	108.227
H7	S3	H10	108.227	H7	S3	H11	108.227
H8	S2	H9	108.030	H10	S3	H11	108.030

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	0.112
2	Si	0.247
3	Si	0.247
4	H	-0.074
5	H	-0.074
6	H	-0.077
7	H	-0.077
8	H	-0.076
9	H	-0.076
10	H	-0.076
11	H	-0.076

<r²>	217.825
(<r²>)^1/2	14.759

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)