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	hartrees
Energy at 0K	-871.853446
Energy at 298.15K	-871.861098
HF Energy	-871.436584
Nuclear repulsion energy	191.448081

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2247	2155
2	A₁	2234	2143
3	A₁	2217	2126
4	A₁	957	918
5	A₁	933	895
6	A₁	896	860
7	A₁	567	544
8	A₁	389	373
9	A₁	96	92
10	A₂	2243	2151
11	A₂	949	910
12	A₂	710	681
13	A₂	421	404
14	A₂	90	86
15	B₁	2247	2155
16	B₁	2228	2136
17	B₁	953	914
18	B₁	597	573
19	B₁	314	301
20	B₁	102	98
21	B₂	2245	2153
22	B₂	2230	2138
23	B₂	950	911
24	B₂	884	847
25	B₂	720	691
26	B₂	467	448
27	B₂	437	419

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.914
Si2	0.000	1.943	-0.428
Si3	0.000	-1.943	-0.428
H4	1.210	0.000	1.795
H5	-1.210	0.000	1.795
H6	0.000	3.180	0.408
H7	0.000	-3.180	0.408
H8	1.212	1.954	-1.302
H9	-1.212	1.954	-1.302
H10	-1.212	-1.954	-1.302
H11	1.212	-1.954	-1.302

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3613	2.3613	1.4967	1.4967	3.2199	3.2199	3.1936	3.1936	3.1936	3.1936
Si2	2.3613		3.8855	3.1907	3.1907	1.4936	5.1907	1.4941	1.4941	4.1737	4.1737
Si3	2.3613	3.8855		3.1907	3.1907	5.1907	1.4936	4.1737	4.1737	1.4941	1.4941
H4	1.4967	3.1907	3.1907		2.4200	3.6740	3.6740	3.6620	4.3904	4.3904	3.6620
H5	1.4967	3.1907	3.1907	2.4200		3.6740	3.6740	4.3904	3.6620	3.6620	4.3904
H6	3.2199	1.4936	5.1907	3.6740	3.6740		6.3600	2.4284	2.4284	5.5459	5.5459
H7	3.2199	5.1907	1.4936	3.6740	3.6740	6.3600		5.5459	5.5459	2.4284	2.4284
H8	3.1936	1.4941	4.1737	3.6620	4.3904	2.4284	5.5459		2.4236	4.5991	3.9087
H9	3.1936	1.4941	4.1737	4.3904	3.6620	2.4284	5.5459	2.4236		3.9087	4.5991
H10	3.1936	4.1737	1.4941	4.3904	3.6620	5.5459	2.4284	4.5991	3.9087		2.4236
H11	3.1936	4.1737	1.4941	3.6620	4.3904	5.5459	2.4284	3.9087	4.5991	2.4236

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.290	S1	S2	H8	109.805
S1	S2	H9	109.805	S1	S3	H7	111.290
S1	S3	H10	109.805	S1	S3	H11	109.805
S2	S1	S3	110.722	S2	S1	H4	109.544
S2	S1	H5	109.544	S3	S1	H4	109.544
S3	S1	H5	109.544	H4	S1	H5	107.891
H6	S2	H8	108.738	H6	S2	H9	108.738
H7	S3	H10	108.738	H7	S3	H11	108.738
H8	S2	H9	108.403	H10	S3	H11	108.403

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)