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	hartrees
Energy at 0K	-867.042716
Energy at 298.15K	-867.050166
HF Energy	-866.798279
Nuclear repulsion energy	189.056706

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2156	2110
2	A₁	2142	2097
3	A₁	2131	2085
4	A₁	933	913
5	A₁	903	884
6	A₁	866	848
7	A₁	559	547
8	A₁	352	344
9	A₁	100	98
10	A₂	2152	2107
11	A₂	926	906
12	A₂	710	695
13	A₂	431	421
14	A₂	80	78
15	B₁	2158	2112
16	B₁	2146	2100
17	B₁	930	910
18	B₁	587	574
19	B₁	295	288
20	B₁	93	91
21	B₂	2155	2109
22	B₂	2137	2092
23	B₂	927	907
24	B₂	857	839
25	B₂	704	690
26	B₂	446	436
27	B₂	409	401

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.949
Si2	0.000	1.957	-0.443
Si3	0.000	-1.957	-0.443
H4	1.231	0.000	1.823
H5	-1.231	0.000	1.823
H6	0.000	3.219	0.382
H7	0.000	-3.219	0.382
H8	1.225	1.936	-1.323
H9	-1.225	1.936	-1.323
H10	-1.225	-1.936	-1.323
H11	1.225	-1.936	-1.323

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.4013	2.4013	1.5097	1.5097	3.2688	3.2688	3.2265	3.2265	3.2265	3.2265
Si2	2.4013		3.9138	3.2372	3.2372	1.5082	5.2416	1.5084	1.5084	4.1753	4.1753
Si3	2.4013	3.9138		3.2372	3.2372	5.2416	1.5082	4.1753	4.1753	1.5084	1.5084
H4	1.5097	3.2372	3.2372		2.4615	3.7357	3.7357	3.6941	4.4359	4.4359	3.6941
H5	1.5097	3.2372	3.2372	2.4615		3.7357	3.7357	4.4359	3.6941	3.6941	4.4359
H6	3.2688	1.5082	5.2416	3.7357	3.7357		6.4387	2.4604	2.4604	5.5668	5.5668
H7	3.2688	5.2416	1.5082	3.7357	3.7357	6.4387		5.5668	5.5668	2.4604	2.4604
H8	3.2265	1.5084	4.1753	3.6941	4.4359	2.4604	5.5668		2.4501	4.5828	3.8729
H9	3.2265	1.5084	4.1753	4.4359	3.6941	2.4604	5.5668	2.4501		3.8729	4.5828
H10	3.2265	4.1753	1.5084	4.4359	3.6941	5.5668	2.4604	4.5828	3.8729		2.4501
H11	3.2265	4.1753	1.5084	3.6941	4.4359	5.5668	2.4604	3.8729	4.5828	2.4501

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.411	S1	S2	H8	109.085
S1	S2	H9	109.085	S1	S3	H7	111.411
S1	S3	H10	109.085	S1	S3	H11	109.085
S2	S1	S3	109.161	S2	S1	H4	109.612
S2	S1	H5	109.612	S3	S1	H4	109.612
S3	S1	H5	109.612	H4	S1	H5	109.218
H6	S2	H8	109.298	H6	S2	H9	109.298
H7	S3	H10	109.298	H7	S3	H11	109.298
H8	S2	H9	108.615	H10	S3	H11	108.615

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP4=FULL/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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All results from a given calculation for Si3H8 (trisilane)

using model chemistry: MP4=FULL/3-21G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)