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	hartrees
Energy at 0K	-872.993261
Energy at 298.15K	-873.000936
HF Energy	-872.799978
Nuclear repulsion energy	192.765194

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2251	2251	131.32
2	A₁	2241	2241	24.46
3	A₁	2220	2220	69.31
4	A₁	967	967	71.36
5	A₁	945	945	0.82
6	A₁	903	903	193.62
7	A₁	571	571	6.35
8	A₁	389	389	0.59
9	A₁	94	94	1.42
10	A₂	2246	2246	0.00
11	A₂	959	959	0.00
12	A₂	717	717	0.00
13	A₂	423	423	0.00
14	A₂	89	89	0.00
15	B₁	2252	2252	242.91
16	B₁	2229	2229	23.63
17	B₁	964	964	75.67
18	B₁	601	601	9.78
19	B₁	318	318	20.42
20	B₁	112	112	0.07
21	B₂	2250	2250	92.04
22	B₂	2236	2236	85.37
23	B₂	960	960	36.46
24	B₂	891	891	318.42
25	B₂	726	726	295.88
26	B₂	466	466	8.23
27	B₂	438	438	16.94

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.904
Si2	0.000	1.933	-0.424
Si3	0.000	-1.933	-0.424
H4	1.199	0.000	1.779
H5	-1.199	0.000	1.779
H6	0.000	3.158	0.409
H7	0.000	-3.158	0.409
H8	1.202	1.950	-1.291
H9	-1.202	1.950	-1.291
H10	-1.202	-1.950	-1.291
H11	1.202	-1.950	-1.291

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3452	2.3452	1.4844	1.4844	3.1963	3.1963	3.1719	3.1719	3.1719	3.1719
Si2	2.3452		3.8660	3.1668	3.1668	1.4811	5.1584	1.4817	1.4817	4.1558	4.1558
Si3	2.3452	3.8660		3.1668	3.1668	5.1584	1.4811	4.1558	4.1558	1.4817	1.4817
H4	1.4844	3.1668	3.1668		2.3975	3.6451	3.6451	3.6367	4.3575	4.3575	3.6367
H5	1.4844	3.1668	3.1668	2.3975		3.6451	3.6451	4.3575	3.6367	3.6367	4.3575
H6	3.1963	1.4811	5.1584	3.6451	3.6451		6.3155	2.4066	2.4066	5.5152	5.5152
H7	3.1963	5.1584	1.4811	3.6451	3.6451	6.3155		5.5152	5.5152	2.4066	2.4066
H8	3.1719	1.4817	4.1558	3.6367	4.3575	2.4066	5.5152		2.4034	4.5805	3.8994
H9	3.1719	1.4817	4.1558	4.3575	3.6367	2.4066	5.5152	2.4034		3.8994	4.5805
H10	3.1719	4.1558	1.4817	4.3575	3.6367	5.5152	2.4066	4.5805	3.8994		2.4034
H11	3.1719	4.1558	1.4817	3.6367	4.3575	5.5152	2.4066	3.8994	4.5805	2.4034

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.294	S1	S2	H8	109.903
S1	S2	H9	109.903	S1	S3	H7	111.294
S1	S3	H10	109.903	S1	S3	H11	109.903
S2	S1	S3	111.025	S2	S1	H4	109.508
S2	S1	H5	109.508	S3	S1	H4	109.508
S3	S1	H5	109.508	H4	S1	H5	107.721
H6	S2	H8	108.639	H6	S2	H9	108.639
H7	S3	H10	108.639	H7	S3	H11	108.639
H8	S2	H9	108.397	H10	S3	H11	108.397

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP=FULL/daug-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: B2PLYP=FULL/daug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)