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	hartrees
Energy at 0K	-872.928571
Energy at 298.15K	-872.936285
HF Energy	-872.798783
Nuclear repulsion energy	192.226845

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2247	2156	143.51
2	A₁	2238	2148	13.80
3	A₁	2216	2126	67.23
4	A₁	969	930	74.59
5	A₁	944	906	1.50
6	A₁	906	869	191.91
7	A₁	573	550	6.25
8	A₁	386	370	0.53
9	A₁	98	94	1.37
10	A₂	2244	2153	0.00
11	A₂	961	922	0.00
12	A₂	717	688	0.00
13	A₂	425	408	0.00
14	A₂	90	86	0.00
15	B₁	2249	2158	235.92
16	B₁	2224	2134	26.95
17	B₁	966	926	76.99
18	B₁	603	578	9.47
19	B₁	320	307	19.80
20	B₁	106	102	0.04
21	B₂	2246	2154	72.97
22	B₂	2234	2143	101.20
23	B₂	962	923	37.02
24	B₂	893	857	328.08
25	B₂	730	700	297.21
26	B₂	465	446	8.69
27	B₂	440	422	15.53

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.899
Si2	0.000	1.945	-0.423
Si3	0.000	-1.945	-0.423
H4	1.200	0.000	1.775
H5	-1.200	0.000	1.775
H6	0.000	3.162	0.424
H7	0.000	-3.162	0.424
H8	1.203	1.970	-1.289
H9	-1.203	1.970	-1.289
H10	-1.203	-1.970	-1.289
H11	1.203	-1.970	-1.289

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3516	2.3516	1.4857	1.4857	3.1971	3.1971	3.1802	3.1802	3.1802	3.1802
Si2	2.3516		3.8897	3.1704	3.1704	1.4823	5.1762	1.4826	1.4826	4.1859	4.1859
Si3	2.3516	3.8897		3.1704	3.1704	5.1762	1.4823	4.1859	4.1859	1.4826	1.4826
H4	1.4857	3.1704	3.1704		2.4005	3.6415	3.6415	3.6420	4.3635	4.3635	3.6420
H5	1.4857	3.1704	3.1704	2.4005		3.6415	3.6415	4.3635	3.6420	3.6420	4.3635
H6	3.1971	1.4823	5.1762	3.6415	3.6415		6.3232	2.4085	2.4085	5.5418	5.5418
H7	3.1971	5.1762	1.4823	3.6415	3.6415	6.3232		5.5418	5.5418	2.4085	2.4085
H8	3.1802	1.4826	4.1859	3.6420	4.3635	2.4085	5.5418		2.4063	4.6163	3.9395
H9	3.1802	1.4826	4.1859	4.3635	3.6420	2.4085	5.5418	2.4063		3.9395	4.6163
H10	3.1802	4.1859	1.4826	4.3635	3.6420	5.5418	2.4085	4.6163	3.9395		2.4063
H11	3.1802	4.1859	1.4826	3.6420	4.3635	5.5418	2.4085	3.9395	4.6163	2.4063

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.964	S1	S2	H8	110.012
S1	S2	H9	110.012	S1	S3	H7	110.964
S1	S3	H10	110.012	S1	S3	H11	110.012
S2	S1	S3	111.593	S2	S1	H4	109.346
S2	S1	H5	109.346	S3	S1	H4	109.346
S3	S1	H5	109.346	H4	S1	H5	107.783
H6	S2	H8	108.652	H6	S2	H9	108.652
H7	S3	H10	108.652	H7	S3	H11	108.652
H8	S2	H9	108.491	H10	S3	H11	108.491

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP/cc-pVTZ

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	0.032
2	Si	0.070
3	Si	0.070
4	H	-0.024
5	H	-0.024
6	H	-0.020
7	H	-0.020
8	H	-0.021
9	H	-0.021
10	H	-0.021
11	H	-0.021

<r²>	209.077
(<r²>)^1/2	14.459

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B2PLYP/cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)