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	hartrees
Energy at 0K	-871.798896
Energy at 298.15K	-871.806526
HF Energy	-871.440259
Nuclear repulsion energy	192.177144

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2273	2273	118.76
2	A₁	2258	2258	34.75
3	A₁	2240	2240	73.11
4	A₁	966	966	71.99
5	A₁	941	941	0.01
6	A₁	897	897	213.97
7	A₁	571	571	5.74
8	A₁	393	393	0.48
9	A₁	89	89	1.41
10	A₂	2267	2267	0.00
11	A₂	963	963	0.00
12	A₂	714	714	0.00
13	A₂	414	414	0.00
14	A₂	71	71	0.00
15	B₁	2274	2274	257.01
16	B₁	2254	2254	13.89
17	B₁	968	968	79.41
18	B₁	601	601	9.83
19	B₁	310	310	21.37
20	B₁	102	102	0.06
21	B₂	2272	2272	103.11
22	B₂	2254	2254	83.18
23	B₂	959	959	44.72
24	B₂	884	884	326.57
25	B₂	713	713	276.97
26	B₂	464	464	9.86
27	B₂	432	432	18.77

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.936
Si2	0.000	1.920	-0.437
Si3	0.000	-1.920	-0.437
H4	1.211	0.000	1.805
H5	-1.211	0.000	1.805
H6	0.000	3.170	0.370
H7	0.000	-3.170	0.370
H8	1.209	1.904	-1.305
H9	-1.209	1.904	-1.305
H10	-1.209	-1.904	-1.305
H11	1.209	-1.904	-1.305

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3600	2.3600	1.4908	1.4908	3.2202	3.2202	3.1796	3.1796	3.1796	3.1796
Si2	2.3600		3.8396	3.1901	3.1901	1.4876	5.1533	1.4885	1.4885	4.1036	4.1036
Si3	2.3600	3.8396		3.1901	3.1901	5.1533	1.4876	4.1036	4.1036	1.4885	1.4885
H4	1.4908	3.1901	3.1901		2.4230	3.6845	3.6845	3.6465	4.3766	4.3766	3.6465
H5	1.4908	3.1901	3.1901	2.4230		3.6845	3.6845	4.3766	3.6465	3.6465	4.3766
H6	3.2202	1.4876	5.1533	3.6845	3.6845		6.3400	2.4223	2.4223	5.4786	5.4786
H7	3.2202	5.1533	1.4876	3.6845	3.6845	6.3400		5.4786	5.4786	2.4223	2.4223
H8	3.1796	1.4885	4.1036	3.6465	4.3766	2.4223	5.4786		2.4175	4.5112	3.8088
H9	3.1796	1.4885	4.1036	4.3766	3.6465	2.4223	5.4786	2.4175		3.8088	4.5112
H10	3.1796	4.1036	1.4885	4.3766	3.6465	5.4786	2.4223	4.5112	3.8088		2.4175
H11	3.1796	4.1036	1.4885	3.6465	4.3766	5.4786	2.4223	3.8088	4.5112	2.4175

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.618	S1	S2	H8	109.323
S1	S2	H9	109.323	S1	S3	H7	111.618
S1	S3	H10	109.323	S1	S3	H11	109.323
S2	S1	S3	108.877	S2	S1	H4	109.811
S2	S1	H5	109.811	S3	S1	H4	109.811
S3	S1	H5	109.811	H4	S1	H5	108.712
H6	S2	H8	108.962	H6	S2	H9	108.962
H7	S3	H10	108.962	H7	S3	H11	108.962
H8	S2	H9	108.600	H10	S3	H11	108.600

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2=FULL/daug-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: MP2=FULL/daug-cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)