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	hartrees
Energy at 0K	-873.188556
Energy at 298.15K	-873.196007
HF Energy	-873.188556
Nuclear repulsion energy	190.170767

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2168	2157	198.85
2	A₁	2156	2145	4.93
3	A₁	2132	2121	83.48
4	A₁	933	928	71.06
5	A₁	910	905	1.08
6	A₁	872	867	174.73
7	A₁	552	549	6.90
8	A₁	364	362	0.66
9	A₁	98	98	1.61
10	A₂	2167	2156	0.00
11	A₂	925	920	0.00
12	A₂	697	693	0.00
13	A₂	417	415	0.00
14	A₂	70	70	0.00
15	B₁	2173	2161	296.39
16	B₁	2143	2132	39.37
17	B₁	929	924	67.85
18	B₁	582	579	10.19
19	B₁	313	312	21.27
20	B₁	90	89	0.02
21	B₂	2167	2155	62.55
22	B₂	2151	2140	151.02
23	B₂	926	921	28.51
24	B₂	859	854	315.97
25	B₂	710	706	332.84
26	B₂	447	445	9.59
27	B₂	428	426	10.94

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.886
Si2	0.000	1.981	-0.418
Si3	0.000	-1.981	-0.418
H4	1.207	0.000	1.776
H5	-1.207	0.000	1.776
H6	0.000	3.193	0.461
H7	0.000	-3.193	0.461
H8	1.213	2.032	-1.293
H9	-1.213	2.032	-1.293
H10	-1.213	-2.032	-1.293
H11	1.213	-2.032	-1.293

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3713	2.3713	1.5002	1.5002	3.2212	3.2212	3.2167	3.2167	3.2167	3.2167
Si2	2.3713		3.9621	3.1930	3.1930	1.4968	5.2482	1.4966	1.4966	4.2828	4.2828
Si3	2.3713	3.9621		3.1930	3.1930	5.2482	1.4968	4.2828	4.2828	1.4966	1.4966
H4	1.5002	3.1930	3.1930		2.4142	3.6584	3.6584	3.6811	4.4053	4.4053	3.6811
H5	1.5002	3.1930	3.1930	2.4142		3.6584	3.6584	4.4053	3.6811	3.6811	4.4053
H6	3.2212	1.4968	5.2482	3.6584	3.6584		6.3862	2.4278	2.4278	5.6435	5.6435
H7	3.2212	5.2482	1.4968	3.6584	3.6584	6.3862		5.6435	5.6435	2.4278	2.4278
H8	3.2167	1.4966	4.2828	3.6811	4.4053	2.4278	5.6435		2.4257	4.7331	4.0642
H9	3.2167	1.4966	4.2828	4.4053	3.6811	2.4278	5.6435	2.4257		4.0642	4.7331
H10	3.2167	4.2828	1.4966	4.4053	3.6811	5.6435	2.4278	4.7331	4.0642		2.4257
H11	3.2167	4.2828	1.4966	3.6811	4.4053	5.6435	2.4278	4.0642	4.7331	2.4257

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.731	S1	S2	H8	110.484
S1	S2	H9	110.484	S1	S3	H7	110.731
S1	S3	H10	110.484	S1	S3	H11	110.484
S2	S1	S3	113.320	S2	S1	H4	109.045
S2	S1	H5	109.045	S3	S1	H4	109.045
S3	S1	H5	109.045	H4	S1	H5	107.155
H6	S2	H8	108.396	H6	S2	H9	108.396
H7	S3	H10	108.396	H7	S3	H11	108.396
H8	S2	H9	108.270	H10	S3	H11	108.270

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: BLYP/6-31+G**

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	0.079
2	Si	0.229
3	Si	0.229
4	H	-0.060
5	H	-0.060
6	H	-0.067
7	H	-0.067
8	H	-0.071
9	H	-0.071
10	H	-0.071
11	H	-0.071

<r²>	214.392
(<r²>)^1/2	14.642

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: BLYP/6-31+G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)