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	hartrees
Energy at 0K	-871.443115
Energy at 298.15K	-871.451150
HF Energy	-871.443115
Nuclear repulsion energy	191.397138

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁	2335	2112	2.07	662.45	0.00	0.00
2	A₁	2325	2103	269.04	155.04	0.75	0.86
3	A₁	2303	2083	103.63	113.69	0.37	0.54
4	A₁	1041	942	86.93	8.92	0.74	0.85
5	A₁	1024	926	72.08	44.48	0.71	0.83
6	A₁	989	894	273.48	20.96	0.74	0.85
7	A₁	624	564	15.03	17.91	0.72	0.84
8	A₁	400	362	1.11	36.19	0.15	0.26
9	A₁	108	98	2.44	1.68	0.53	0.70
10	A₂	2319	2097	0.00	22.64	0.75	0.86
11	A₂	1030	931	0.00	53.40	0.75	0.86
12	A₂	772	698	0.00	29.09	0.75	0.86
13	A₂	465	420	0.00	0.37	0.75	0.86
14	A₂	82	74	0.00	0.00	0.75	0.86
15	B₁	2325	2103	397.03	96.11	0.75	0.86
16	B₁	2301	2081	45.73	214.09	0.75	0.86
17	B₁	1033	935	137.04	2.31	0.75	0.86
18	B₁	658	595	16.89	6.68	0.75	0.86
19	B₁	356	322	41.08	0.01	0.75	0.86
20	B₁	101	92	0.09	0.04	0.75	0.86
21	B₂	2328	2106	233.43	28.23	0.75	0.86
22	B₂	2322	2100	30.26	74.46	0.75	0.86
23	B₂	1030	932	45.68	0.02	0.75	0.86
24	B₂	984	890	472.88	2.42	0.75	0.86
25	B₂	808	730	427.21	0.08	0.75	0.86
26	B₂	497	450	39.13	1.31	0.75	0.86
27	B₂	474	428	4.61	16.20	0.75	0.86

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.894
Si2	0.000	1.966	-0.421
Si3	0.000	-1.966	-0.421
H4	1.197	0.000	1.767
H5	-1.197	0.000	1.767
H6	0.000	3.168	0.438
H7	0.000	-3.168	0.438
H8	1.199	2.002	-1.285
H9	-1.199	2.002	-1.285
H10	-1.199	-2.002	-1.285
H11	1.199	-2.002	-1.285

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3651	2.3651	1.4813	1.4813	3.2009	3.2009	3.1924	3.1924	3.1924	3.1924
Si2	2.3651		3.9316	3.1756	3.1756	1.4777	5.2054	1.4783	1.4783	4.2337	4.2337
Si3	2.3651	3.9316		3.1756	3.1756	5.2054	1.4777	4.2337	4.2337	1.4783	1.4783
H4	1.4813	3.1756	3.1756		2.3932	3.6382	3.6382	3.6498	4.3658	4.3658	3.6498
H5	1.4813	3.1756	3.1756	2.3932		3.6382	3.6382	4.3658	3.6498	3.6498	4.3658
H6	3.2009	1.4777	5.2054	3.6382	3.6382		6.3364	2.4015	2.4015	5.5796	5.5796
H7	3.2009	5.2054	1.4777	3.6382	3.6382	6.3364		5.5796	5.5796	2.4015	2.4015
H8	3.1924	1.4783	4.2337	3.6498	4.3658	2.4015	5.5796		2.3984	4.6665	4.0030
H9	3.1924	1.4783	4.2337	4.3658	3.6498	2.4015	5.5796	2.3984		4.0030	4.6665
H10	3.1924	4.2337	1.4783	4.3658	3.6498	5.5796	2.4015	4.6665	4.0030		2.3984
H11	3.1924	4.2337	1.4783	3.6498	4.3658	5.5796	2.4015	4.0030	4.6665	2.3984

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.679	S1	S2	H8	110.179
S1	S2	H9	110.179	S1	S3	H7	110.679
S1	S3	H10	110.179	S1	S3	H11	110.179
S2	S1	S3	112.438	S2	S1	H4	109.132
S2	S1	H5	109.132	S3	S1	H4	109.132
S3	S1	H5	109.132	H4	S1	H5	107.762
H6	S2	H8	108.662	H6	S2	H9	108.662
H7	S3	H10	108.662	H7	S3	H11	108.662
H8	S2	H9	108.424	H10	S3	H11	108.424

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: HF/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	0.186
2	Si	0.374
3	Si	0.374
4	H	-0.107
5	H	-0.107
6	H	-0.117
7	H	-0.117
8	H	-0.122
9	H	-0.122
10	H	-0.122
11	H	-0.122

<r²>	212.198
(<r²>)^1/2	14.567

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: HF/6-311G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)