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	hartrees
Energy at 0K	-873.376864
Energy at 298.15K
HF Energy	-873.376864
Nuclear repulsion energy	193.292871

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2224	2224	143.42
2	A₁	2215	2215	5.71
3	A₁	2194	2194	59.34
4	A₁	944	944	68.90
5	A₁	918	918	0.05
6	A₁	877	877	172.41
7	A₁	555	555	5.00
8	A₁	388	388	0.62
9	A₁	92	92	1.29
10	A₂	2222	2222	0.00
11	A₂	933	933	0.00
12	A₂	696	696	0.00
13	A₂	401	401	0.00
14	A₂	44	44	0.00
15	B₁	2227	2227	222.02
16	B₁	2203	2203	21.51
17	B₁	938	938	67.70
18	B₁	582	582	9.39
19	B₁	302	302	17.11
20	B₁	67	67	0.15
21	B₂	2222	2222	56.66
22	B₂	2210	2210	108.08
23	B₂	938	938	30.80
24	B₂	862	862	312.97
25	B₂	698	698	271.88
26	B₂	465	465	4.70
27	B₂	421	421	22.20

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.891
Si2	0.000	1.931	-0.419
Si3	0.000	-1.931	-0.419
H4	1.199	0.000	1.767
H5	-1.199	0.000	1.767
H6	0.000	3.147	0.430
H7	0.000	-3.147	0.430
H8	1.202	1.960	-1.285
H9	-1.202	1.960	-1.285
H10	-1.202	-1.960	-1.285
H11	1.202	-1.960	-1.285

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3332	2.3332	1.4855	1.4855	3.1805	3.1805	3.1659	3.1659	3.1659	3.1659
Si2	2.3332		3.8623	3.1536	3.1536	1.4825	5.1484	1.4824	1.4824	4.1642	4.1642
Si3	2.3332	3.8623		3.1536	3.1536	5.1484	1.4825	4.1642	4.1642	1.4824	1.4824
H4	1.4855	3.1536	3.1536		2.3990	3.6236	3.6236	3.6274	4.3506	4.3506	3.6274
H5	1.4855	3.1536	3.1536	2.3990		3.6236	3.6236	4.3506	3.6274	3.6274	4.3506
H6	3.1805	1.4825	5.1484	3.6236	3.6236		6.2938	2.4071	2.4071	5.5200	5.5200
H7	3.1805	5.1484	1.4825	3.6236	3.6236	6.2938		5.5200	5.5200	2.4071	2.4071
H8	3.1659	1.4824	4.1642	3.6274	4.3506	2.4071	5.5200		2.4050	4.5995	3.9207
H9	3.1659	1.4824	4.1642	4.3506	3.6274	2.4071	5.5200	2.4050		3.9207	4.5995
H10	3.1659	4.1642	1.4824	4.3506	3.6274	5.5200	2.4071	4.5995	3.9207		2.4050
H11	3.1659	4.1642	1.4824	3.6274	4.3506	5.5200	2.4071	3.9207	4.5995	2.4050

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.956	S1	S2	H8	110.139
S1	S2	H9	110.139	S1	S3	H7	110.956
S1	S3	H10	110.139	S1	S3	H11	110.139
S2	S1	S3	111.725	S2	S1	H4	109.333
S2	S1	H5	109.333	S3	S1	H4	109.333
S3	S1	H5	109.333	H4	S1	H5	107.697
H6	S2	H8	108.561	H6	S2	H9	108.561
H7	S3	H10	108.561	H7	S3	H11	108.561
H8	S2	H9	108.422	H10	S3	H11	108.422

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B1B95/aug-cc-pCVTZ

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	0.210
2	Si	0.770
3	Si	0.770
4	H	-0.174
5	H	-0.174
6	H	-0.270
7	H	-0.270
8	H	-0.216
9	H	-0.216
10	H	-0.216
11	H	-0.216

<r²>	206.357
(<r²>)^1/2	14.365

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B1B95/aug-cc-pCVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)