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	hartrees
Energy at 0K	-868.874500
Energy at 298.15K
HF Energy	-868.874500
Nuclear repulsion energy	193.080871

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2214	2214	156.36
2	A₁	2201	2201	6.49
3	A₁	2181	2181	75.27
4	A₁	926	926	60.38
5	A₁	900	900	0.42
6	A₁	865	865	182.57
7	A₁	551	551	4.45
8	A₁	392	392	0.52
9	A₁	92	92	1.14
10	A₂	2211	2211	0.00
11	A₂	915	915	0.00
12	A₂	691	691	0.00
13	A₂	398	398	0.00
14	A₂	85i	85i	0.00
15	B₁	2217	2217	259.32
16	B₁	2194	2194	21.11
17	B₁	919	919	67.52
18	B₁	575	575	8.66
19	B₁	281	281	14.83
20	B₁	48i	48i	0.04
21	B₂	2212	2212	69.49
22	B₂	2195	2195	123.96
23	B₂	920	920	36.25
24	B₂	849	849	300.93
25	B₂	689	689	232.97
26	B₂	463	463	4.11
27	B₂	413	413	19.28

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.922
Si2	0.000	1.907	-0.430
Si3	0.000	-1.907	-0.430
H4	1.212	0.000	1.804
H5	-1.212	0.000	1.804
H6	0.000	3.165	0.380
H7	0.000	-3.165	0.380
H8	1.212	1.902	-1.308
H9	-1.212	1.902	-1.308
H10	-1.212	-1.902	-1.308
H11	1.212	-1.902	-1.308

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3376	2.3376	1.4989	1.4989	3.2114	3.2114	3.1711	3.1711	3.1711	3.1711
Si2	2.3376		3.8145	3.1774	3.1774	1.4964	5.1370	1.4963	1.4963	4.0926	4.0926
Si3	2.3376	3.8145		3.1774	3.1774	5.1370	1.4964	4.0926	4.0926	1.4963	1.4963
H4	1.4989	3.1774	3.1774		2.4234	3.6763	3.6763	3.6468	4.3787	4.3787	3.6468
H5	1.4989	3.1774	3.1774	2.4234		3.6763	3.6763	4.3787	3.6468	3.6468	4.3787
H6	3.2114	1.4964	5.1370	3.6763	3.6763		6.3308	2.4318	2.4318	5.4769	5.4769
H7	3.2114	5.1370	1.4964	3.6763	3.6763	6.3308		5.4769	5.4769	2.4318	2.4318
H8	3.1711	1.4963	4.0926	3.6468	4.3787	2.4318	5.4769		2.4237	4.5105	3.8040
H9	3.1711	1.4963	4.0926	4.3787	3.6468	2.4318	5.4769	2.4237		3.8040	4.5105
H10	3.1711	4.0926	1.4963	4.3787	3.6468	5.4769	2.4318	4.5105	3.8040		2.4237
H11	3.1711	4.0926	1.4963	3.6468	4.3787	5.4769	2.4318	3.8040	4.5105	2.4237

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.899	S1	S2	H8	109.650
S1	S2	H9	109.650	S1	S3	H7	111.899
S1	S3	H10	109.650	S1	S3	H11	109.650
S2	S1	S3	109.355	S2	S1	H4	109.898
S2	S1	H5	109.898	S3	S1	H4	109.898
S3	S1	H5	109.898	H4	S1	H5	107.879
H6	S2	H8	108.695	H6	S2	H9	108.695
H7	S3	H10	108.695	H7	S3	H11	108.695
H8	S2	H9	108.171	H10	S3	H11	108.171

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B97D3/3-21G*

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	-0.023
2	Si	0.128
3	Si	0.128
4	H	-0.019
5	H	-0.019
6	H	-0.033
7	H	-0.033
8	H	-0.032
9	H	-0.032
10	H	-0.032
11	H	-0.032

<r²>	204.918
(<r²>)^1/2	14.315

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B97D3/3-21G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)