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	hartrees
Energy at 0K	-871.853143
Energy at 298.15K	-871.860683
HF Energy	-871.439483
Nuclear repulsion energy	190.996737

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2212	2163
2	A₁	2200	2152
3	A₁	2181	2132
4	A₁	943	922
5	A₁	922	901
6	A₁	881	862
7	A₁	561	549
8	A₁	385	377
9	A₁	92	90
10	A₂	2207	2158
11	A₂	938	917
12	A₂	702	686
13	A₂	416	407
14	A₂	72	70
15	B₁	2213	2164
16	B₁	2190	2142
17	B₁	943	922
18	B₁	592	578
19	B₁	307	300
20	B₁	91	89
21	B₂	2210	2161
22	B₂	2196	2147
23	B₂	937	916
24	B₂	869	850
25	B₂	708	693
26	B₂	460	450
27	B₂	429	419

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.925
Si2	0.000	1.942	-0.433
Si3	0.000	-1.942	-0.433
H4	1.215	0.000	1.804
H5	-1.215	0.000	1.804
H6	0.000	3.186	0.399
H7	0.000	-3.186	0.399
H8	1.215	1.946	-1.307
H9	-1.215	1.946	-1.307
H10	-1.215	-1.946	-1.307
H11	1.215	-1.946	-1.307

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3698	2.3698	1.4998	1.4998	3.2292	3.2292	3.2007	3.2007	3.2007	3.2007
Si2	2.3698		3.8845	3.2020	3.2020	1.4966	5.1955	1.4971	1.4971	4.1662	4.1662
Si3	2.3698	3.8845		3.2020	3.2020	5.1955	1.4966	4.1662	4.1662	1.4971	1.4971
H4	1.4998	3.2020	3.2020		2.4300	3.6880	3.6880	3.6695	4.4014	4.4014	3.6695
H5	1.4998	3.2020	3.2020	2.4300		3.6880	3.6880	4.4014	3.6695	3.6695	4.4014
H6	3.2292	1.4966	5.1955	3.6880	3.6880		6.3722	2.4347	2.4347	5.5429	5.5429
H7	3.2292	5.1955	1.4966	3.6880	3.6880	6.3722		5.5429	5.5429	2.4347	2.4347
H8	3.2007	1.4971	4.1662	3.6695	4.4014	2.4347	5.5429		2.4308	4.5882	3.8913
H9	3.2007	1.4971	4.1662	4.4014	3.6695	2.4347	5.5429	2.4308		3.8913	4.5882
H10	3.2007	4.1662	1.4971	4.4014	3.6695	5.5429	2.4347	4.5882	3.8913		2.4308
H11	3.2007	4.1662	1.4971	3.6695	4.4014	5.5429	2.4347	3.8913	4.5882	2.4308

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.259	S1	S2	H8	109.657
S1	S2	H9	109.657	S1	S3	H7	111.259
S1	S3	H10	109.657	S1	S3	H11	109.657
S2	S1	S3	110.089	S2	S1	H4	109.627
S2	S1	H5	109.627	S3	S1	H4	109.627
S3	S1	H5	109.627	H4	S1	H5	108.213
H6	S2	H8	108.834	H6	S2	H9	108.834
H7	S3	H10	108.834	H7	S3	H11	108.834
H8	S2	H9	108.549	H10	S3	H11	108.549

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: QCISD(T)/aug-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: QCISD(T)/aug-cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)