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	hartrees
Energy at 0K	-871.750458
Energy at 298.15K	-871.758178
HF Energy	-871.436657
Nuclear repulsion energy	191.574262

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2275	2167	129.53
2	A₁	2263	2155	17.54
3	A₁	2246	2140	69.24
4	A₁	976	930	80.76
5	A₁	950	905	0.74
6	A₁	911	868	205.17
7	A₁	577	550	6.49
8	A₁	393	375	0.48
9	A₁	97	93	1.45
10	A₂	2271	2164	0.00
11	A₂	968	922	0.00
12	A₂	723	688	0.00
13	A₂	426	405	0.00
14	A₂	88	83	0.00
15	B₁	2276	2168	230.51
16	B₁	2257	2150	19.16
17	B₁	973	926	83.14
18	B₁	607	578	9.95
19	B₁	317	302	21.00
20	B₁	104	99	0.04
21	B₂	2274	2166	75.88
22	B₂	2259	2151	97.52
23	B₂	969	923	41.11
24	B₂	897	854	340.50
25	B₂	729	695	279.66
26	B₂	471	449	8.17
27	B₂	442	421	18.86

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.916
Si2	0.000	1.941	-0.430
Si3	0.000	-1.941	-0.430
H4	1.209	0.000	1.792
H5	-1.209	0.000	1.792
H6	0.000	3.175	0.405
H7	0.000	-3.175	0.405
H8	1.210	1.949	-1.299
H9	-1.210	1.949	-1.299
H10	-1.210	-1.949	-1.299
H11	1.210	-1.949	-1.299

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3624	2.3624	1.4929	1.4929	3.2163	3.2163	3.1892	3.1892	3.1892	3.1892
Si2	2.3624		3.8829	3.1887	3.1887	1.4899	5.1845	1.4903	1.4903	4.1657	4.1657
Si3	2.3624	3.8829		3.1887	3.1887	5.1845	1.4899	4.1657	4.1657	1.4903	1.4903
H4	1.4929	3.1887	3.1887		2.4178	3.6700	3.6700	3.6544	4.3826	4.3826	3.6544
H5	1.4929	3.1887	3.1887	2.4178		3.6700	3.6700	4.3826	3.6544	3.6544	4.3826
H6	3.2163	1.4899	5.1845	3.6700	3.6700		6.3509	2.4239	2.4239	5.5341	5.5341
H7	3.2163	5.1845	1.4899	3.6700	3.6700	6.3509		5.5341	5.5341	2.4239	2.4239
H8	3.1892	1.4903	4.1657	3.6544	4.3826	2.4239	5.5341		2.4206	4.5877	3.8972
H9	3.1892	1.4903	4.1657	4.3826	3.6544	2.4239	5.5341	2.4206		3.8972	4.5877
H10	3.1892	4.1657	1.4903	4.3826	3.6544	5.5341	2.4239	4.5877	3.8972		2.4206
H11	3.1892	4.1657	1.4903	3.6544	4.3826	5.5341	2.4239	3.8972	4.5877	2.4206

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.184	S1	S2	H8	109.659
S1	S2	H9	109.659	S1	S3	H7	111.184
S1	S3	H10	109.659	S1	S3	H11	109.659
S2	S1	S3	110.531	S2	S1	H4	109.530
S2	S1	H5	109.530	S3	S1	H4	109.530
S3	S1	H5	109.530	H4	S1	H5	108.150
H6	S2	H8	108.844	H6	S2	H9	108.844
H7	S3	H10	108.844	H7	S3	H11	108.844
H8	S2	H9	108.602	H10	S3	H11	108.602

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2/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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All results from a given calculation for Si3H8 (trisilane)

using model chemistry: MP2/cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)