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	hartrees
Energy at 0K	-871.832362
Energy at 298.15K	-871.839988
HF Energy	-871.436645
Nuclear repulsion energy	190.976823

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2234	2129
2	A₁	2222	2118
3	A₁	2204	2100
4	A₁	956	911
5	A₁	933	889
6	A₁	896	854
7	A₁	566	539
8	A₁	386	368
9	A₁	96	92
10	A₂	2230	2125
11	A₂	948	904
12	A₂	710	676
13	A₂	422	402
14	A₂	84	80
15	B₁	2234	2130
16	B₁	2214	2110
17	B₁	952	907
18	B₁	597	569
19	B₁	314	299
20	B₁	97	93
21	B₂	2233	2128
22	B₂	2218	2114
23	B₂	949	905
24	B₂	883	841
25	B₂	721	687
26	B₂	466	444
27	B₂	436	416

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.912
Si2	0.000	1.952	-0.428
Si3	0.000	-1.952	-0.428
H4	1.211	0.000	1.793
H5	-1.211	0.000	1.793
H6	0.000	3.185	0.416
H7	0.000	-3.185	0.416
H8	1.213	1.969	-1.301
H9	-1.213	1.969	-1.301
H10	-1.213	-1.969	-1.301
H11	1.213	-1.969	-1.301

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3677	2.3677	1.4974	1.4974	3.2238	3.2238	3.2006	3.2006	3.2006	3.2006
Si2	2.3677		3.9046	3.1952	3.1952	1.4940	5.2065	1.4945	1.4945	4.1961	4.1961
Si3	2.3677	3.9046		3.1952	3.1952	5.2065	1.4940	4.1961	4.1961	1.4945	1.4945
H4	1.4974	3.1952	3.1952		2.4212	3.6755	3.6755	3.6676	4.3958	4.3958	3.6676
H5	1.4974	3.1952	3.1952	2.4212		3.6755	3.6755	4.3958	3.6676	3.6676	4.3958
H6	3.2238	1.4940	5.2065	3.6755	3.6755		6.3708	2.4288	2.4288	5.5663	5.5663
H7	3.2238	5.2065	1.4940	3.6755	3.6755	6.3708		5.5663	5.5663	2.4288	2.4288
H8	3.2006	1.4945	4.1961	3.6676	4.3958	2.4288	5.5663		2.4251	4.6243	3.9374
H9	3.2006	1.4945	4.1961	4.3958	3.6676	2.4288	5.5663	2.4251		3.9374	4.6243
H10	3.2006	4.1961	1.4945	4.3958	3.6676	5.5663	2.4288	4.6243	3.9374		2.4251
H11	3.2006	4.1961	1.4945	3.6676	4.3958	5.5663	2.4288	3.9374	4.6243	2.4251

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.170	S1	S2	H8	109.861
S1	S2	H9	109.861	S1	S3	H7	111.170
S1	S3	H10	109.861	S1	S3	H11	109.861
S2	S1	S3	111.088	S2	S1	H4	109.451
S2	S1	H5	109.451	S3	S1	H4	109.451
S3	S1	H5	109.451	H4	S1	H5	107.889
H6	S2	H8	108.719	H6	S2	H9	108.719
H7	S3	H10	108.719	H7	S3	H11	108.719
H8	S2	H9	108.452	H10	S3	H11	108.452

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)