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	hartrees
Energy at 0K	-871.947602
Energy at 298.15K	-871.955271
HF Energy	-871.473914
Nuclear repulsion energy	192.712637

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2243	2243
2	A₁	2234	2234
3	A₁	2215	2215
4	A₁	966	966
5	A₁	939	939
6	A₁	901	901
7	A₁	572	572
8	A₁	393	393
9	A₁	93	93
10	A₂	2238	2238
11	A₂	956	956
12	A₂	713	713
13	A₂	422	422
14	A₂	90	90
15	B₁	2242	2242
16	B₁	2222	2222
17	B₁	960	960
18	B₁	602	602
19	B₁	317	317
20	B₁	102	102
21	B₂	2242	2242
22	B₂	2230	2230
23	B₂	957	957
24	B₂	890	890
25	B₂	726	726
26	B₂	469	469
27	B₂	437	437

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.910
Si2	0.000	1.929	-0.426
Si3	0.000	-1.929	-0.426
H4	1.202	0.000	1.783
H5	-1.202	0.000	1.783
H6	0.000	3.158	0.403
H7	0.000	-3.158	0.403
H8	1.203	1.940	-1.293
H9	-1.203	1.940	-1.293
H10	-1.203	-1.940	-1.293
H11	1.203	-1.940	-1.293

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3470	2.3470	1.4858	1.4858	3.1981	3.1981	3.1731	3.1731	3.1731	3.1731
Si2	2.3470		3.8586	3.1703	3.1703	1.4825	5.1543	1.4832	1.4832	4.1442	4.1442
Si3	2.3470	3.8586		3.1703	3.1703	5.1543	1.4825	4.1442	4.1442	1.4832	1.4832
H4	1.4858	3.1703	3.1703		2.4040	3.6498	3.6498	3.6376	4.3610	4.3610	3.6376
H5	1.4858	3.1703	3.1703	2.4040		3.6498	3.6498	4.3610	3.6376	3.6376	4.3610
H6	3.1981	1.4825	5.1543	3.6498	3.6498		6.3155	2.4103	2.4103	5.5062	5.5062
H7	3.1981	5.1543	1.4825	3.6498	3.6498	6.3155		5.5062	5.5062	2.4103	2.4103
H8	3.1731	1.4832	4.1442	3.6376	4.3610	2.4103	5.5062		2.4068	4.5665	3.8808
H9	3.1731	1.4832	4.1442	4.3610	3.6376	2.4103	5.5062	2.4068		3.8808	4.5665
H10	3.1731	4.1442	1.4832	4.3610	3.6376	5.5062	2.4103	4.5665	3.8808		2.4068
H11	3.1731	4.1442	1.4832	3.6376	4.3610	5.5062	2.4103	3.8808	4.5665	2.4068

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.245	S1	S2	H8	109.817
S1	S2	H9	109.817	S1	S3	H7	111.245
S1	S3	H10	109.817	S1	S3	H11	109.817
S2	S1	S3	110.573	S2	S1	H4	109.557
S2	S1	H5	109.557	S3	S1	H4	109.557
S3	S1	H5	109.557	H4	S1	H5	107.995
H6	S2	H8	108.723	H6	S2	H9	108.723
H7	S3	H10	108.723	H7	S3	H11	108.723
H8	S2	H9	108.458	H10	S3	H11	108.458

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCSD(T)/Def2TZVPP

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)/Def2TZVPP

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)