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	hartrees
Energy at 0K	-873.341071
Energy at 298.15K	-873.348444
HF Energy	-873.341071
Nuclear repulsion energy	193.014103

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2231	2139	157.96
2	A₁	2224	2132	6.31
3	A₁	2202	2111	65.79
4	A₁	948	908	76.25
5	A₁	922	884	1.22
6	A₁	882	846	195.44
7	A₁	561	538	7.08
8	A₁	388	372	0.85
9	A₁	92	88	1.61
10	A₂	2229	2137	0.00
11	A₂	936	898	0.00
12	A₂	704	675	0.00
13	A₂	411	394	0.00
14	A₂	29	28	0.00
15	B₁	2234	2142	244.28
16	B₁	2210	2118	25.30
17	B₁	941	902	77.42
18	B₁	589	565	12.06
19	B₁	305	292	22.17
20	B₁	62	60	0.14
21	B₂	2229	2137	62.55
22	B₂	2219	2127	113.40
23	B₂	941	902	33.25
24	B₂	870	834	333.34
25	B₂	708	679	303.01
26	B₂	467	448	5.25
27	B₂	429	411	24.16

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.888
Si2	0.000	1.936	-0.418
Si3	0.000	-1.936	-0.418
H4	1.200	0.000	1.767
H5	-1.200	0.000	1.767
H6	0.000	3.152	0.435
H7	0.000	-3.152	0.435
H8	1.203	1.970	-1.286
H9	-1.203	1.970	-1.286
H10	-1.203	-1.970	-1.286
H11	1.203	-1.970	-1.286

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3354	2.3354	1.4876	1.4876	3.1840	3.1840	3.1712	3.1712	3.1712	3.1712
Si2	2.3354		3.8727	3.1564	3.1564	1.4846	5.1589	1.4846	1.4846	4.1789	4.1789
Si3	2.3354	3.8727		3.1564	3.1564	5.1589	1.4846	4.1789	4.1789	1.4846	1.4846
H4	1.4876	3.1564	3.1564		2.3998	3.6259	3.6259	3.6338	4.3567	4.3567	3.6338
H5	1.4876	3.1564	3.1564	2.3998		3.6259	3.6259	4.3567	3.6338	3.6338	4.3567
H6	3.1840	1.4846	5.1589	3.6259	3.6259		6.3032	2.4098	2.4098	5.5356	5.5356
H7	3.1840	5.1589	1.4846	3.6259	3.6259	6.3032		5.5356	5.5356	2.4098	2.4098
H8	3.1712	1.4846	4.1789	3.6338	4.3567	2.4098	5.5356		2.4070	4.6172	3.9402
H9	3.1712	1.4846	4.1789	4.3567	3.6338	2.4098	5.5356	2.4070		3.9402	4.6172
H10	3.1712	4.1789	1.4846	4.3567	3.6338	5.5356	2.4098	4.6172	3.9402		2.4070
H11	3.1712	4.1789	1.4846	3.6338	4.3567	5.5356	2.4098	3.9402	4.6172	2.4070

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.957	S1	S2	H8	110.239
S1	S2	H9	110.239	S1	S3	H7	110.957
S1	S3	H10	110.239	S1	S3	H11	110.239
S2	S1	S3	112.021	S2	S1	H4	109.295
S2	S1	H5	109.295	S3	S1	H4	109.295
S3	S1	H5	109.295	H4	S1	H5	107.533
H6	S2	H8	108.508	H6	S2	H9	108.508
H7	S3	H10	108.508	H7	S3	H11	108.508
H8	S2	H9	108.320	H10	S3	H11	108.320

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B1B95/6-311G*

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	0.030
2	Si	0.166
3	Si	0.166
4	H	-0.033
5	H	-0.033
6	H	-0.046
7	H	-0.046
8	H	-0.051
9	H	-0.051
10	H	-0.051
11	H	-0.051

<r²>	207.211
(<r²>)^1/2	14.395

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B1B95/6-311G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)