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	hartrees
Energy at 0K	-871.879820
Energy at 298.15K	-871.887334
HF Energy	-871.439523
Nuclear repulsion energy	191.540708

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2233	2169
2	A₁	2220	2156
3	A₁	2200	2136
4	A₁	947	920
5	A₁	925	898
6	A₁	884	859
7	A₁	561	545
8	A₁	386	375
9	A₁	90	88
10	A₂	2229	2165
11	A₂	943	916
12	A₂	700	680
13	A₂	412	400
14	A₂	69	67
15	B₁	2234	2170
16	B₁	2210	2147
17	B₁	947	920
18	B₁	591	574
19	B₁	297	288
20	B₁	92	89
21	B₂	2231	2167
22	B₂	2216	2152
23	B₂	940	913
24	B₂	872	847
25	B₂	705	685
26	B₂	457	444
27	B₂	425	413

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.935
Si2	0.000	1.929	-0.437
Si3	0.000	-1.929	-0.437
H4	1.214	0.000	1.809
H5	-1.214	0.000	1.809
H6	0.000	3.181	0.376
H7	0.000	-3.181	0.376
H8	1.212	1.919	-1.309
H9	-1.212	1.919	-1.309
H10	-1.212	-1.919	-1.309
H11	1.212	-1.919	-1.309

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3664	2.3664	1.4960	1.4960	3.2295	3.2295	3.1912	3.1912	3.1912	3.1912
Si2	2.3664		3.8570	3.1995	3.1995	1.4928	5.1735	1.4934	1.4934	4.1267	4.1267
Si3	2.3664	3.8570		3.1995	3.1995	5.1735	1.4928	4.1267	4.1267	1.4934	1.4934
H4	1.4960	3.1995	3.1995		2.4275	3.6940	3.6940	3.6612	4.3920	4.3920	3.6612
H5	1.4960	3.1995	3.1995	2.4275		3.6940	3.6940	4.3920	3.6612	3.6612	4.3920
H6	3.2295	1.4928	5.1735	3.6940	3.6940		6.3615	2.4292	2.4292	5.5055	5.5055
H7	3.2295	5.1735	1.4928	3.6940	3.6940	6.3615		5.5055	5.5055	2.4292	2.4292
H8	3.1912	1.4934	4.1267	3.6612	4.3920	2.4292	5.5055		2.4243	4.5388	3.8371
H9	3.1912	1.4934	4.1267	4.3920	3.6612	2.4292	5.5055	2.4243		3.8371	4.5388
H10	3.1912	4.1267	1.4934	4.3920	3.6612	5.5055	2.4292	4.5388	3.8371		2.4243
H11	3.1912	4.1267	1.4934	3.6612	4.3920	5.5055	2.4292	3.8371	4.5388	2.4243

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.605	S1	S2	H8	109.454
S1	S2	H9	109.454	S1	S3	H7	111.605
S1	S3	H10	109.454	S1	S3	H11	109.454
S2	S1	S3	109.164	S2	S1	H4	109.805
S2	S1	H5	109.805	S3	S1	H4	109.805
S3	S1	H5	109.805	H4	S1	H5	108.446
H6	S2	H8	108.875	H6	S2	H9	108.875
H7	S3	H10	108.875	H7	S3	H11	108.875
H8	S2	H9	108.520	H10	S3	H11	108.520

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)