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	hartrees
Energy at 0K	-873.309037
Energy at 298.15K	-873.316604
HF Energy	-873.309037
Nuclear repulsion energy	193.157161

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2220	2220	90.90
2	A₁	2215	2215	66.07
3	A₁	2186	2186	65.82
4	A₁	960	960	69.65
5	A₁	935	935	2.14
6	A₁	898	898	186.35
7	A₁	570	570	5.94
8	A₁	392	392	0.59
9	A₁	98	98	1.38
10	A₂	2214	2214	0.00
11	A₂	953	953	0.00
12	A₂	716	716	0.00
13	A₂	425	425	0.00
14	A₂	46	46	0.00
15	B₁	2219	2219	226.71
16	B₁	2190	2190	32.56
17	B₁	957	957	72.22
18	B₁	600	600	9.72
19	B₁	311	311	19.84
20	B₁	84	84	0.00
21	B₂	2218	2218	119.23
22	B₂	2211	2211	57.74
23	B₂	952	952	36.14
24	B₂	886	886	306.72
25	B₂	726	726	275.14
26	B₂	468	468	5.27
27	B₂	433	433	16.70

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.903
Si2	0.000	1.926	-0.424
Si3	0.000	-1.926	-0.424
H4	1.200	0.000	1.777
H5	-1.200	0.000	1.777
H6	0.000	3.150	0.412
H7	0.000	-3.150	0.412
H8	1.202	1.942	-1.290
H9	-1.202	1.942	-1.290
H10	-1.202	-1.942	-1.290
H11	1.202	-1.942	-1.290

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3392	2.3392	1.4846	1.4846	3.1879	3.1879	3.1667	3.1667	3.1667	3.1667
Si2	2.3392		3.8525	3.1614	3.1614	1.4815	5.1442	1.4819	1.4819	4.1425	4.1425
Si3	2.3392	3.8525		3.1614	3.1614	5.1442	1.4815	4.1425	4.1425	1.4819	1.4819
H4	1.4846	3.1614	3.1614		2.4007	3.6367	3.6367	3.6300	4.3532	4.3532	3.6300
H5	1.4846	3.1614	3.1614	2.4007		3.6367	3.6367	4.3532	3.6300	3.6300	4.3532
H6	3.1879	1.4815	5.1442	3.6367	3.6367		6.2994	2.4081	2.4081	5.5016	5.5016
H7	3.1879	5.1442	1.4815	3.6367	3.6367	6.2994		5.5016	5.5016	2.4081	2.4081
H8	3.1667	1.4819	4.1425	3.6300	4.3532	2.4081	5.5016		2.4048	4.5684	3.8842
H9	3.1667	1.4819	4.1425	4.3532	3.6300	2.4081	5.5016	2.4048		3.8842	4.5684
H10	3.1667	4.1425	1.4819	4.3532	3.6300	5.5016	2.4081	4.5684	3.8842		2.4048
H11	3.1667	4.1425	1.4819	3.6300	4.3532	5.5016	2.4081	3.8842	4.5684	2.4048

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.107	S1	S2	H8	109.902
S1	S2	H9	109.902	S1	S3	H7	111.107
S1	S3	H10	109.902	S1	S3	H11	109.902
S2	S1	S3	110.866	S2	S1	H4	109.502
S2	S1	H5	109.502	S3	S1	H4	109.502
S3	S1	H5	109.502	H4	S1	H5	107.913
H6	S2	H8	108.707	H6	S2	H9	108.707
H7	S3	H10	108.707	H7	S3	H11	108.707
H8	S2	H9	108.459	H10	S3	H11	108.459

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: wB97X-D/cc-pV(T+d)Z

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	0.027
2	Si	0.100
3	Si	0.100
4	H	-0.027
5	H	-0.027
6	H	-0.028
7	H	-0.028
8	H	-0.029
9	H	-0.029
10	H	-0.029
11	H	-0.029

<r²>	206.182
(<r²>)^1/2	14.359

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: wB97X-D/cc-pV(T+d)Z

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)