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	hartrees
Energy at 0K	-871.875278
Energy at 298.15K	-871.882811
HF Energy	-871.439536
Nuclear repulsion energy	191.664551

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2246	2190
2	A₁	2232	2176
3	A₁	2213	2158
4	A₁	952	928
5	A₁	929	906
6	A₁	887	865
7	A₁	562	548
8	A₁	388	378
9	A₁	90	88
10	A₂	2242	2186
11	A₂	948	924
12	A₂	703	685
13	A₂	413	402
14	A₂	70	68
15	B₁	2247	2191
16	B₁	2224	2169
17	B₁	951	928
18	B₁	592	578
19	B₁	298	290
20	B₁	93	90
21	B₂	2244	2189
22	B₂	2228	2173
23	B₂	944	921
24	B₂	875	853
25	B₂	706	689
26	B₂	459	447
27	B₂	426	415

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.935
Si2	0.000	1.927	-0.437
Si3	0.000	-1.927	-0.437
H4	1.213	0.000	1.808
H5	-1.213	0.000	1.808
H6	0.000	3.179	0.375
H7	0.000	-3.179	0.375
H8	1.211	1.916	-1.308
H9	-1.211	1.916	-1.308
H10	-1.211	-1.916	-1.308
H11	1.211	-1.916	-1.308

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3654	2.3654	1.4945	1.4945	3.2276	3.2276	3.1888	3.1888	3.1888	3.1888
Si2	2.3654		3.8542	3.1976	3.1976	1.4913	5.1696	1.4919	1.4919	4.1225	4.1225
Si3	2.3654	3.8542		3.1976	3.1976	5.1696	1.4913	4.1225	4.1225	1.4919	1.4919
H4	1.4945	3.1976	3.1976		2.4254	3.6918	3.6918	3.6581	4.3883	4.3883	3.6581
H5	1.4945	3.1976	3.1976	2.4254		3.6918	3.6918	4.3883	3.6581	3.6581	4.3883
H6	3.2276	1.4913	5.1696	3.6918	3.6918		6.3570	2.4271	2.4271	5.5001	5.5001
H7	3.2276	5.1696	1.4913	3.6918	3.6918	6.3570		5.5001	5.5001	2.4271	2.4271
H8	3.1888	1.4919	4.1225	3.6581	4.3883	2.4271	5.5001		2.4223	4.5334	3.8320
H9	3.1888	1.4919	4.1225	4.3883	3.6581	2.4271	5.5001	2.4223		3.8320	4.5334
H10	3.1888	4.1225	1.4919	4.3883	3.6581	5.5001	2.4271	4.5334	3.8320		2.4223
H11	3.1888	4.1225	1.4919	3.6581	4.3883	5.5001	2.4271	3.8320	4.5334	2.4223

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.606	S1	S2	H8	109.424
S1	S2	H9	109.424	S1	S3	H7	111.606
S1	S3	H10	109.424	S1	S3	H11	109.424
S2	S1	S3	109.113	S2	S1	H4	109.810
S2	S1	H5	109.810	S3	S1	H4	109.810
S3	S1	H5	109.810	H4	S1	H5	108.478
H6	S2	H8	108.894	H6	S2	H9	108.894
H7	S3	H10	108.894	H7	S3	H11	108.894
H8	S2	H9	108.543	H10	S3	H11	108.543

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP4=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: MP4=FULL/aug-cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)