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	hartrees
Energy at 0K	-867.026977
Energy at 298.15K	-867.034433
HF Energy	-866.798193
Nuclear repulsion energy	188.925383

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2150	2091	114.64
2	A₁	2138	2079	3.32
3	A₁	2126	2067	68.93
4	A₁	931	905	74.42
5	A₁	902	877	0.30
6	A₁	864	840	195.52
7	A₁	559	544	9.33
8	A₁	352	342	0.17
9	A₁	101	98	1.29
10	A₂	2147	2088	0.00
11	A₂	924	899	0.00
12	A₂	710	690	0.00
13	A₂	433	421	0.00
14	A₂	79	76	0.00
15	B₁	2152	2093	204.24
16	B₁	2140	2081	1.43
17	B₁	928	902	81.13
18	B₁	586	570	10.65
19	B₁	299	291	19.02
20	B₁	92	89	0.00
21	B₂	2149	2090	53.65
22	B₂	2133	2074	100.04
23	B₂	926	900	36.55
24	B₂	854	830	299.77
25	B₂	706	686	270.43
26	B₂	449	436	24.03
27	B₂	411	399	1.24

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.945
Si2	0.000	1.961	-0.441
Si3	0.000	-1.961	-0.441
H4	1.231	0.000	1.821
H5	-1.231	0.000	1.821
H6	0.000	3.220	0.391
H7	0.000	-3.220	0.391
H8	1.226	1.946	-1.322
H9	-1.226	1.946	-1.322
H10	-1.226	-1.946	-1.322
H11	1.226	-1.946	-1.322

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.4018	2.4018	1.5105	1.5105	3.2672	3.2672	3.2288	3.2288	3.2288	3.2288
Si2	2.4018		3.9229	3.2371	3.2371	1.5088	5.2478	1.5091	1.5091	4.1886	4.1886
Si3	2.4018	3.9229		3.2371	3.2371	5.2478	1.5088	4.1886	4.1886	1.5091	1.5091
H4	1.5105	3.2371	3.2371		2.4611	3.7319	3.7319	3.6960	4.4378	4.4378	3.6960
H5	1.5105	3.2371	3.2371	2.4611		3.7319	3.7319	4.4378	3.6960	3.6960	4.4378
H6	3.2672	1.5088	5.2478	3.7319	3.7319		6.4399	2.4614	2.4614	5.5786	5.5786
H7	3.2672	5.2478	1.5088	3.7319	3.7319	6.4399		5.5786	5.5786	2.4614	2.4614
H8	3.2288	1.5091	4.1886	3.6960	4.4378	2.4614	5.5786		2.4516	4.5995	3.8917
H9	3.2288	1.5091	4.1886	4.4378	3.6960	2.4614	5.5786	2.4516		3.8917	4.5995
H10	3.2288	4.1886	1.5091	4.4378	3.6960	5.5786	2.4614	4.5995	3.8917		2.4516
H11	3.2288	4.1886	1.5091	3.6960	4.4378	5.5786	2.4614	3.8917	4.5995	2.4516

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.272	S1	S2	H8	109.157
S1	S2	H9	109.157	S1	S3	H7	111.272
S1	S3	H10	109.157	S1	S3	H11	109.157
S2	S1	S3	109.503	S2	S1	H4	109.554
S2	S1	H5	109.554	S3	S1	H4	109.554
S3	S1	H5	109.554	H4	S1	H5	109.110
H6	S2	H8	109.289	H6	S2	H9	109.289
H7	S3	H10	109.289	H7	S3	H11	109.289
H8	S2	H9	108.633	H10	S3	H11	108.633

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCD/3-21G

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: CCD/3-21G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)