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	hartrees
Energy at 0K	-872.863071
Energy at 298.15K	-872.870774
HF Energy	-872.756273
Nuclear repulsion energy	191.450783

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2230	2230	141.70
2	A₁	2220	2220	10.75
3	A₁	2201	2201	66.52
4	A₁	963	963	74.87
5	A₁	938	938	0.54
6	A₁	899	899	185.31
7	A₁	570	570	6.04
8	A₁	383	383	0.49
9	A₁	98	98	1.34
10	A₂	2227	2227	0.00
11	A₂	955	955	0.00
12	A₂	716	716	0.00
13	A₂	423	423	0.00
14	A₂	85	85	0.00
15	B₁	2232	2232	230.26
16	B₁	2210	2210	22.00
17	B₁	960	960	74.49
18	B₁	601	601	9.16
19	B₁	316	316	18.92
20	B₁	100	100	0.03
21	B₂	2228	2228	64.31
22	B₂	2215	2215	106.65
23	B₂	956	956	36.19
24	B₂	886	886	317.02
25	B₂	726	726	288.56
26	B₂	463	463	7.82
27	B₂	438	438	15.03

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.902
Si2	0.000	1.951	-0.424
Si3	0.000	-1.951	-0.424
H4	1.208	0.000	1.782
H5	-1.208	0.000	1.782
H6	0.000	3.174	0.430
H7	0.000	-3.174	0.430
H8	1.211	1.975	-1.295
H9	-1.211	1.975	-1.295
H10	-1.211	-1.975	-1.295
H11	1.211	-1.975	-1.295

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3594	2.3594	1.4946	1.4946	3.2089	3.2089	3.1931	3.1931	3.1931	3.1931
Si2	2.3594		3.9025	3.1834	3.1834	1.4917	5.1960	1.4918	1.4918	4.2004	4.2004
Si3	2.3594	3.9025		3.1834	3.1834	5.1960	1.4917	4.2004	4.2004	1.4918	1.4918
H4	1.4946	3.1834	3.1834		2.4166	3.6553	3.6553	3.6563	4.3843	4.3843	3.6563
H5	1.4946	3.1834	3.1834	2.4166		3.6553	3.6553	4.3843	3.6563	3.6563	4.3843
H6	3.2089	1.4917	5.1960	3.6553	3.6553		6.3480	2.4248	2.4248	5.5640	5.5640
H7	3.2089	5.1960	1.4917	3.6553	3.6553	6.3480		5.5640	5.5640	2.4248	2.4248
H8	3.1931	1.4918	4.2004	3.6563	4.3843	2.4248	5.5640		2.4222	4.6341	3.9507
H9	3.1931	1.4918	4.2004	4.3843	3.6563	2.4248	5.5640	2.4222		3.9507	4.6341
H10	3.1931	4.2004	1.4918	4.3843	3.6563	5.5640	2.4248	4.6341	3.9507		2.4222
H11	3.1931	4.2004	1.4918	3.6563	4.3843	5.5640	2.4248	3.9507	4.6341	2.4222

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.848	S1	S2	H8	109.967
S1	S2	H9	109.967	S1	S3	H7	110.848
S1	S3	H10	109.967	S1	S3	H11	109.967
S2	S1	S3	111.585	S2	S1	H4	109.322
S2	S1	H5	109.322	S3	S1	H4	109.322
S3	S1	H5	109.322	H4	S1	H5	107.890
H6	S2	H8	108.729	H6	S2	H9	108.729
H7	S3	H10	108.729	H7	S3	H11	108.729
H8	S2	H9	108.549	H10	S3	H11	108.549

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP/cc-pCVDZ

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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Number	Element	Mulliken
1	Si	0.081
2	Si	0.200
3	Si	0.200
4	H	-0.055
5	H	-0.055
6	H	-0.059
7	H	-0.059
8	H	-0.064
9	H	-0.064
10	H	-0.064
11	H	-0.064

<r²>	210.390
(<r²>)^1/2	14.505

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B2PLYP/cc-pCVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)