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	hartrees
Energy at 0K	-873.211109
Energy at 298.15K	-873.218675
HF Energy	-873.211109
Nuclear repulsion energy	192.001651

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2222	2140	147.18
2	A₁	2211	2130	6.68
3	A₁	2192	2111	62.86
4	A₁	947	912	70.79
5	A₁	922	888	0.88
6	A₁	884	851	185.25
7	A₁	566	545	7.00
8	A₁	382	368	0.69
9	A₁	97	93	1.48
10	A₂	2220	2138	0.00
11	A₂	939	904	0.00
12	A₂	708	682	0.00
13	A₂	422	407	0.00
14	A₂	70	67	0.00
15	B₁	2225	2143	231.46
16	B₁	2201	2120	22.27
17	B₁	944	909	72.69
18	B₁	594	572	11.07
19	B₁	316	304	21.03
20	B₁	90	87	0.06
21	B₂	2220	2138	58.31
22	B₂	2207	2125	108.38
23	B₂	941	906	34.10
24	B₂	872	840	310.54
25	B₂	716	690	295.11
26	B₂	461	444	8.04
27	B₂	437	421	16.43

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.893
Si2	0.000	1.948	-0.420
Si3	0.000	-1.948	-0.420
H4	1.205	0.000	1.774
H5	-1.205	0.000	1.774
H6	0.000	3.166	0.439
H7	0.000	-3.166	0.439
H8	1.209	1.981	-1.291
H9	-1.209	1.981	-1.291
H10	-1.209	-1.981	-1.291
H11	1.209	-1.981	-1.291

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3493	2.3493	1.4927	1.4927	3.1979	3.1979	3.1866	3.1866	3.1866	3.1866
Si2	2.3493		3.8962	3.1720	3.1720	1.4899	5.1853	1.4899	1.4899	4.2022	4.2022
Si3	2.3493	3.8962		3.1720	3.1720	5.1853	1.4899	4.2022	4.2022	1.4899	1.4899
H4	1.4927	3.1720	3.1720		2.4095	3.6408	3.6408	3.6497	4.3754	4.3754	3.6497
H5	1.4927	3.1720	3.1720	2.4095		3.6408	3.6408	4.3754	3.6497	3.6497	4.3754
H6	3.1979	1.4899	5.1853	3.6408	3.6408		6.3311	2.4196	2.4196	5.5625	5.5625
H7	3.1979	5.1853	1.4899	3.6408	3.6408	6.3311		5.5625	5.5625	2.4196	2.4196
H8	3.1866	1.4899	4.2022	3.6497	4.3754	2.4196	5.5625		2.4171	4.6416	3.9625
H9	3.1866	1.4899	4.2022	4.3754	3.6497	2.4196	5.5625	2.4171		3.9625	4.6416
H10	3.1866	4.2022	1.4899	4.3754	3.6497	5.5625	2.4196	4.6416	3.9625		2.4171
H11	3.1866	4.2022	1.4899	3.6497	4.3754	5.5625	2.4196	3.9625	4.6416	2.4171

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.818	S1	S2	H8	110.187
S1	S2	H9	110.187	S1	S3	H7	110.818
S1	S3	H10	110.187	S1	S3	H11	110.187
S2	S1	S3	112.040	S2	S1	H4	109.269
S2	S1	H5	109.269	S3	S1	H4	109.269
S3	S1	H5	109.269	H4	S1	H5	107.622
H6	S2	H8	108.583	H6	S2	H9	108.583
H7	S3	H10	108.583	H7	S3	H11	108.583
H8	S2	H9	108.419	H10	S3	H11	108.419

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B3PW91/6-311G**

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	0.098
2	Si	0.293
3	Si	0.293
4	H	-0.070
5	H	-0.070
6	H	-0.087
7	H	-0.087
8	H	-0.093
9	H	-0.093
10	H	-0.093
11	H	-0.093

<r²>	209.151
(<r²>)^1/2	14.462

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B3PW91/6-311G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)