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	hartrees
Energy at 0K	-873.199363
Energy at 298.15K	-873.206928
HF Energy	-873.199363
Nuclear repulsion energy	191.717283

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2212	2133	150.89
2	A₁	2201	2122	6.75
3	A₁	2182	2104	65.56
4	A₁	945	912	70.80
5	A₁	920	887	0.27
6	A₁	879	847	178.06
7	A₁	561	541	6.25
8	A₁	381	367	0.64
9	A₁	96	93	1.41
10	A₂	2210	2131	0.00
11	A₂	937	903	0.00
12	A₂	706	681	0.00
13	A₂	418	403	0.00
14	A₂	78	75	0.00
15	B₁	2215	2136	236.01
16	B₁	2192	2113	23.09
17	B₁	942	908	69.28
18	B₁	590	569	10.12
19	B₁	312	301	19.48
20	B₁	96	93	0.05
21	B₂	2210	2131	58.28
22	B₂	2196	2118	113.10
23	B₂	938	905	33.50
24	B₂	866	836	298.86
25	B₂	712	686	294.84
26	B₂	460	443	6.24
27	B₂	433	418	17.11

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.893
Si2	0.000	1.951	-0.420
Si3	0.000	-1.951	-0.420
H4	1.207	0.000	1.776
H5	-1.207	0.000	1.776
H6	0.000	3.170	0.442
H7	0.000	-3.170	0.442
H8	1.211	1.985	-1.292
H9	-1.211	1.985	-1.292
H10	-1.211	-1.985	-1.292
H11	1.211	-1.985	-1.292

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3521	2.3521	1.4956	1.4956	3.2021	3.2021	3.1913	3.1913	3.1913	3.1913
Si2	2.3521		3.9027	3.1763	3.1763	1.4927	5.1934	1.4927	1.4927	4.2100	4.2100
Si3	2.3521	3.9027		3.1763	3.1763	5.1934	1.4927	4.2100	4.2100	1.4927	1.4927
H4	1.4956	3.1763	3.1763		2.4144	3.6452	3.6452	3.6547	4.3823	4.3823	3.6547
H5	1.4956	3.1763	3.1763	2.4144		3.6452	3.6452	4.3823	3.6547	3.6547	4.3823
H6	3.2021	1.4927	5.1934	3.6452	3.6452		6.3402	2.4243	2.4243	5.5724	5.5724
H7	3.2021	5.1934	1.4927	3.6452	3.6452	6.3402		5.5724	5.5724	2.4243	2.4243
H8	3.1913	1.4927	4.2100	3.6547	4.3823	2.4243	5.5724		2.4219	4.6510	3.9707
H9	3.1913	1.4927	4.2100	4.3823	3.6547	2.4243	5.5724	2.4219		3.9707	4.6510
H10	3.1913	4.2100	1.4927	4.3823	3.6547	5.5724	2.4243	4.6510	3.9707		2.4219
H11	3.1913	4.2100	1.4927	3.6547	4.3823	5.5724	2.4243	3.9707	4.6510	2.4219

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.789	S1	S2	H8	110.191
S1	S2	H9	110.191	S1	S3	H7	110.789
S1	S3	H10	110.191	S1	S3	H11	110.191
S2	S1	S3	112.115	S2	S1	H4	109.246
S2	S1	H5	109.246	S3	S1	H4	109.246
S3	S1	H5	109.246	H4	S1	H5	107.638
H6	S2	H8	108.588	H6	S2	H9	108.588
H7	S3	H10	108.588	H7	S3	H11	108.588
H8	S2	H9	108.434	H10	S3	H11	108.434

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B3PW91/TZVP

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	0.064
2	Si	0.207
3	Si	0.207
4	H	-0.049
5	H	-0.049
6	H	-0.060
7	H	-0.060
8	H	-0.065
9	H	-0.065
10	H	-0.065
11	H	-0.065

<r²>	209.707
(<r²>)^1/2	14.481

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B3PW91/TZVP

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)