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	hartrees
Energy at 0K	-873.326345
Energy at 298.15K	-873.333924
HF Energy	-873.326345
Nuclear repulsion energy	190.792026

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2197	2131	150.89
2	A₁	2186	2121	7.22
3	A₁	2168	2103	66.14
4	A₁	949	920	70.57
5	A₁	924	896	0.17
6	A₁	884	858	171.30
7	A₁	562	545	5.48
8	A₁	373	362	0.45
9	A₁	99	96	1.21
10	A₂	2196	2130	0.00
11	A₂	940	912	0.00
12	A₂	707	686	0.00
13	A₂	419	407	0.00
14	A₂	83	81	0.00
15	B₁	2201	2135	236.28
16	B₁	2178	2112	21.66
17	B₁	944	916	68.06
18	B₁	592	574	8.41
19	B₁	315	306	17.12
20	B₁	98	95	0.03
21	B₂	2196	2130	57.84
22	B₂	2182	2116	114.97
23	B₂	941	913	32.94
24	B₂	870	844	300.08
25	B₂	717	696	292.70
26	B₂	453	440	8.34
27	B₂	432	419	11.79

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.897
Si2	0.000	1.963	-0.422
Si3	0.000	-1.963	-0.422
H4	1.212	0.000	1.782
H5	-1.212	0.000	1.782
H6	0.000	3.184	0.445
H7	0.000	-3.184	0.445
H8	1.215	1.997	-1.297
H9	-1.215	1.997	-1.297
H10	-1.215	-1.997	-1.297
H11	1.215	-1.997	-1.297

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3648	2.3648	1.5004	1.5004	3.2158	3.2158	3.2056	3.2056	3.2056	3.2056
Si2	2.3648		3.9252	3.1904	3.1904	1.4977	5.2190	1.4976	1.4976	4.2330	4.2330
Si3	2.3648	3.9252		3.1904	3.1904	5.2190	1.4977	4.2330	4.2330	1.4976	1.4976
H4	1.5004	3.1904	3.1904		2.4232	3.6597	3.6597	3.6694	4.3994	4.3994	3.6694
H5	1.5004	3.1904	3.1904	2.4232		3.6597	3.6597	4.3994	3.6694	3.6694	4.3994
H6	3.2158	1.4977	5.2190	3.6597	3.6597		6.3677	2.4328	2.4328	5.5989	5.5989
H7	3.2158	5.2190	1.4977	3.6597	3.6597	6.3677		5.5989	5.5989	2.4328	2.4328
H8	3.2056	1.4976	4.2330	3.6694	4.3994	2.4328	5.5989		2.4309	4.6752	3.9935
H9	3.2056	1.4976	4.2330	4.3994	3.6694	2.4328	5.5989	2.4309		3.9935	4.6752
H10	3.2056	4.2330	1.4976	4.3994	3.6694	5.5989	2.4328	4.6752	3.9935		2.4309
H11	3.2056	4.2330	1.4976	3.6694	4.3994	5.5989	2.4328	3.9935	4.6752	2.4309

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.720	S1	S2	H8	110.156
S1	S2	H9	110.156	S1	S3	H7	110.720
S1	S3	H10	110.156	S1	S3	H11	110.156
S2	S1	S3	112.183	S2	S1	H4	109.212
S2	S1	H5	109.212	S3	S1	H4	109.212
S3	S1	H5	109.212	H4	S1	H5	107.704
H6	S2	H8	108.623	H6	S2	H9	108.623
H7	S3	H10	108.623	H7	S3	H11	108.623
H8	S2	H9	108.506	H10	S3	H11	108.506

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B3LYPultrafine/cc-pVDZ

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	0.081
2	Si	0.167
3	Si	0.167
4	H	-0.049
5	H	-0.049
6	H	-0.050
7	H	-0.050
8	H	-0.054
9	H	-0.054
10	H	-0.054
11	H	-0.054

<r²>	211.766
(<r²>)^1/2	14.552

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B3LYPultrafine/cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)