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	hartrees
Energy at 0K	-871.438061
Energy at 298.15K	-871.445659
HF Energy	-871.257680
Nuclear repulsion energy	188.919491

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2191	2082	209.42
2	A₁	2171	2063	15.72
3	A₁	2154	2047	119.79
4	A₁	952	905	94.92
5	A₁	922	876	1.10
6	A₁	888	843	208.01
7	A₁	574	545	10.71
8	A₁	373	355	0.49
9	A₁	103	98	1.68
10	A₂	2185	2076	0.00
11	A₂	941	894	0.00
12	A₂	721	685	0.00
13	A₂	432	410	0.00
14	A₂	77	73	0.00
15	B₁	2191	2082	380.64
16	B₁	2171	2063	24.34
17	B₁	945	898	95.37
18	B₁	604	574	10.97
19	B₁	317	301	26.35
20	B₁	92	87	0.05
21	B₂	2189	2080	105.96
22	B₂	2165	2057	143.98
23	B₂	944	897	39.06
24	B₂	875	832	341.46
25	B₂	735	698	349.49
26	B₂	463	440	18.39
27	B₂	442	420	12.01

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.901
Si2	0.000	1.988	-0.424
Si3	0.000	-1.988	-0.424
H4	1.223	0.000	1.790
H5	-1.223	0.000	1.790
H6	0.000	3.215	0.453
H7	0.000	-3.215	0.453
H8	1.224	2.021	-1.306
H9	-1.224	2.021	-1.306
H10	-1.224	-2.021	-1.306
H11	1.224	-2.021	-1.306

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3894	2.3894	1.5116	1.5116	3.2456	3.2456	3.2325	3.2325	3.2325	3.2325
Si2	2.3894		3.9768	3.2170	3.2170	1.5078	5.2764	1.5086	1.5086	4.2835	4.2835
Si3	2.3894	3.9768		3.2170	3.2170	5.2764	1.5078	4.2835	4.2835	1.5086	1.5086
H4	1.5116	3.2170	3.2170		2.4454	3.6898	3.6898	3.6964	4.4327	4.4327	3.6964
H5	1.5116	3.2170	3.2170	2.4454		3.6898	3.6898	4.4327	3.6964	3.6964	4.4327
H6	3.2456	1.5078	5.2764	3.6898	3.6898		6.4292	2.4528	2.4528	5.6569	5.6569
H7	3.2456	5.2764	1.5078	3.6898	3.6898	6.4292		5.6569	5.6569	2.4528	2.4528
H8	3.2325	1.5086	4.2835	3.6964	4.4327	2.4528	5.6569		2.4478	4.7250	4.0415
H9	3.2325	1.5086	4.2835	4.4327	3.6964	2.4528	5.6569	2.4478		4.0415	4.7250
H10	3.2325	4.2835	1.5086	4.4327	3.6964	5.6569	2.4528	4.7250	4.0415		2.4478
H11	3.2325	4.2835	1.5086	3.6964	4.4327	5.6569	2.4528	4.0415	4.7250	2.4478

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.738	S1	S2	H8	109.989
S1	S2	H9	109.989	S1	S3	H7	110.738
S1	S3	H10	109.989	S1	S3	H11	109.989
S2	S1	S3	112.647	S2	S1	H4	109.029
S2	S1	H5	109.029	S3	S1	H4	109.029
S3	S1	H5	109.029	H4	S1	H5	107.972
H6	S2	H8	108.816	H6	S2	H9	108.816
H7	S3	H10	108.816	H7	S3	H11	108.816
H8	S2	H9	108.444	H10	S3	H11	108.444

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2=FULL/6-31G

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: MP2=FULL/6-31G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)