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	hartrees
Energy at 0K	-871.855940
Energy at 298.15K	-871.863504
HF Energy	-871.440292
Nuclear repulsion energy	190.978581

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2209	2209
2	A₁	2197	2197
3	A₁	2179	2179
4	A₁	942	942
5	A₁	921	921
6	A₁	880	880
7	A₁	561	561
8	A₁	385	385
9	A₁	92	92
10	A₂	2203	2203
11	A₂	937	937
12	A₂	703	703
13	A₂	415	415
14	A₂	73	73
15	B₁	2209	2209
16	B₁	2189	2189
17	B₁	942	942
18	B₁	592	592
19	B₁	315	315
20	B₁	94	94
21	B₂	2207	2207
22	B₂	2193	2193
23	B₂	936	936
24	B₂	867	867
25	B₂	710	710
26	B₂	460	460
27	B₂	430	430

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.923
Si2	0.000	1.944	-0.432
Si3	0.000	-1.944	-0.432
H4	1.215	0.000	1.802
H5	-1.215	0.000	1.802
H6	0.000	3.186	0.401
H7	0.000	-3.186	0.401
H8	1.215	1.949	-1.307
H9	-1.215	1.949	-1.307
H10	-1.215	-1.949	-1.307
H11	1.215	-1.949	-1.307

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3697	2.3697	1.4995	1.4995	3.2286	3.2286	3.2011	3.2011	3.2011	3.2011
Si2	2.3697		3.8875	3.2010	3.2010	1.4963	5.1973	1.4971	1.4971	4.1707	4.1707
Si3	2.3697	3.8875		3.2010	3.2010	5.1973	1.4963	4.1707	4.1707	1.4971	1.4971
H4	1.4995	3.2010	3.2010		2.4299	3.6864	3.6864	3.6691	4.4009	4.4009	3.6691
H5	1.4995	3.2010	3.2010	2.4299		3.6864	3.6864	4.4009	3.6691	3.6691	4.4009
H6	3.2286	1.4963	5.1973	3.6864	3.6864		6.3724	2.4341	2.4341	5.5466	5.5466
H7	3.2286	5.1973	1.4963	3.6864	3.6864	6.3724		5.5466	5.5466	2.4341	2.4341
H8	3.2011	1.4971	4.1707	3.6691	4.4009	2.4341	5.5466		2.4305	4.5937	3.8980
H9	3.2011	1.4971	4.1707	4.4009	3.6691	2.4341	5.5466	2.4305		3.8980	4.5937
H10	3.2011	4.1707	1.4971	4.4009	3.6691	5.5466	2.4341	4.5937	3.8980		2.4305
H11	3.2011	4.1707	1.4971	3.6691	4.4009	5.5466	2.4341	3.8980	4.5937	2.4305

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.248	S1	S2	H8	109.689
S1	S2	H9	109.689	S1	S3	H7	111.248
S1	S3	H10	109.689	S1	S3	H11	109.689
S2	S1	S3	110.222	S2	S1	H4	109.589
S2	S1	H5	109.589	S3	S1	H4	109.589
S3	S1	H5	109.589	H4	S1	H5	108.233
H6	S2	H8	108.813	H6	S2	H9	108.813
H7	S3	H10	108.813	H7	S3	H11	108.813
H8	S2	H9	108.538	H10	S3	H11	108.538

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)