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	hartrees
Energy at 0K	-873.326335
Energy at 298.15K	-873.333884
HF Energy	-873.326335
Nuclear repulsion energy	190.788926

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2193	2127	151.97
2	A₁	2181	2116	5.91
3	A₁	2162	2098	66.06
4	A₁	948	919	70.73
5	A₁	923	895	0.24
6	A₁	884	857	171.19
7	A₁	561	544	5.53
8	A₁	373	362	0.46
9	A₁	97	94	1.23
10	A₂	2191	2126	0.00
11	A₂	939	911	0.00
12	A₂	706	685	0.00
13	A₂	418	405	0.00
14	A₂	77	74	0.00
15	B₁	2197	2131	234.98
16	B₁	2173	2107	23.26
17	B₁	944	916	67.93
18	B₁	591	574	8.55
19	B₁	313	303	17.05
20	B₁	93	90	0.03
21	B₂	2191	2125	55.01
22	B₂	2177	2112	117.79
23	B₂	941	913	32.56
24	B₂	870	844	300.12
25	B₂	717	695	293.33
26	B₂	453	440	7.97
27	B₂	431	419	11.92

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	1.211	0.000	1.782
H5	-1.211	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	1.5006	1.5006	3.2156	3.2156	3.2057	3.2057	3.2057	3.2057
Si2	2.3648		3.9253	3.1906	3.1906	1.4977	5.2190	1.4976	1.4976	4.2333	4.2333
Si3	2.3648	3.9253		3.1906	3.1906	5.2190	1.4977	4.2333	4.2333	1.4976	1.4976
H4	1.5006	3.1906	3.1906		2.4229	3.6595	3.6595	3.6699	4.3997	4.3997	3.6699
H5	1.5006	3.1906	3.1906	2.4229		3.6595	3.6595	4.3997	3.6699	3.6699	4.3997
H6	3.2156	1.4977	5.2190	3.6595	3.6595		6.3675	2.4329	2.4329	5.5992	5.5992
H7	3.2156	5.2190	1.4977	3.6595	3.6595	6.3675		5.5992	5.5992	2.4329	2.4329
H8	3.2057	1.4976	4.2333	3.6699	4.3997	2.4329	5.5992		2.4308	4.6755	3.9940
H9	3.2057	1.4976	4.2333	4.3997	3.6699	2.4329	5.5992	2.4308		3.9940	4.6755
H10	3.2057	4.2333	1.4976	4.3997	3.6699	5.5992	2.4329	4.6755	3.9940		2.4308
H11	3.2057	4.2333	1.4976	3.6699	4.3997	5.5992	2.4329	3.9940	4.6755	2.4308

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.710	S1	S2	H8	110.165
S1	S2	H9	110.165	S1	S3	H7	110.710
S1	S3	H10	110.165	S1	S3	H11	110.165
S2	S1	S3	112.189	S2	S1	H4	109.218
S2	S1	H5	109.218	S3	S1	H4	109.218
S3	S1	H5	109.218	H4	S1	H5	107.676
H6	S2	H8	108.627	H6	S2	H9	108.627
H7	S3	H10	108.627	H7	S3	H11	108.627
H8	S2	H9	108.492	H10	S3	H11	108.492

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B3LYP/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>	211.774
(<r²>)^1/2	14.552

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B3LYP/cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)