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	hartrees
Energy at 0K	-872.133812
Energy at 298.15K	-872.141532
HF Energy	-871.481915
Nuclear repulsion energy	193.570490

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2261	2177
2	A₁	2246	2163
3	A₁	2229	2147
4	A₁	973	937
5	A₁	946	911
6	A₁	905	871
7	A₁	574	552
8	A₁	401	387
9	A₁	92	89
10	A₂	2256	2173
11	A₂	966	930
12	A₂	715	689
13	A₂	418	403
14	A₂	92	88
15	B₁	2261	2178
16	B₁	2241	2158
17	B₁	971	935
18	B₁	602	580
19	B₁	316	304
20	B₁	109	105
21	B₂	2259	2176
22	B₂	2242	2159
23	B₂	967	931
24	B₂	891	858
25	B₂	721	695
26	B₂	475	458
27	B₂	435	419

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.918
Si2	0.000	1.910	-0.429
Si3	0.000	-1.910	-0.429
H4	1.202	0.000	1.788
H5	-1.202	0.000	1.788
H6	0.000	3.148	0.384
H7	0.000	-3.148	0.384
H8	1.202	1.910	-1.295
H9	-1.202	1.910	-1.295
H10	-1.202	-1.910	-1.295
H11	1.202	-1.910	-1.295

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3374	2.3374	1.4839	1.4839	3.1932	3.1932	3.1607	3.1607	3.1607	3.1607
Si2	2.3374		3.8207	3.1637	3.1637	1.4809	5.1234	1.4813	1.4813	4.0977	4.0977
Si3	2.3374	3.8207		3.1637	3.1637	5.1234	1.4809	4.0977	4.0977	1.4813	1.4813
H4	1.4839	3.1637	3.1637		2.4039	3.6507	3.6507	3.6269	4.3512	4.3512	3.6269
H5	1.4839	3.1637	3.1637	2.4039		3.6507	3.6507	4.3512	3.6269	3.6269	4.3512
H6	3.1932	1.4809	5.1234	3.6507	3.6507		6.2964	2.4074	2.4074	5.4636	5.4636
H7	3.1932	5.1234	1.4809	3.6507	3.6507	6.2964		5.4636	5.4636	2.4074	2.4074
H8	3.1607	1.4813	4.0977	3.6269	4.3512	2.4074	5.4636		2.4035	4.5137	3.8205
H9	3.1607	1.4813	4.0977	4.3512	3.6269	2.4074	5.4636	2.4035		3.8205	4.5137
H10	3.1607	4.0977	1.4813	4.3512	3.6269	5.4636	2.4074	4.5137	3.8205		2.4035
H11	3.1607	4.0977	1.4813	3.6269	4.3512	5.4636	2.4074	3.8205	4.5137	2.4035

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.526	S1	S2	H8	109.685
S1	S2	H9	109.685	S1	S3	H7	111.526
S1	S3	H10	109.685	S1	S3	H11	109.685
S2	S1	S3	109.631	S2	S1	H4	109.750
S2	S1	H5	109.750	S3	S1	H4	109.750
S3	S1	H5	109.750	H4	S1	H5	108.190
H6	S2	H8	108.720	H6	S2	H9	108.720
H7	S3	H10	108.720	H7	S3	H11	108.720
H8	S2	H9	108.440	H10	S3	H11	108.440

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP4=FULL/cc-pVTZ

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/cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)