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	hartrees
Energy at 0K	-871.958985
Energy at 298.15K	-871.966636
HF Energy	-871.483289
Nuclear repulsion energy	192.456156

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2244	2184
2	A₁	2231	2172
3	A₁	2213	2154
4	A₁	959	933
5	A₁	934	908
6	A₁	894	870
7	A₁	567	552
8	A₁	393	382
9	A₁	93	90
10	A₂	2239	2179
11	A₂	951	926
12	A₂	708	689
13	A₂	417	406
14	A₂	85	83
15	B₁	2244	2184
16	B₁	2223	2163
17	B₁	955	929
18	B₁	597	581
19	B₁	314	306
20	B₁	105	102
21	B₂	2243	2183
22	B₂	2228	2168
23	B₂	952	926
24	B₂	882	859
25	B₂	716	697
26	B₂	468	456
27	B₂	432	420

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.915
Si2	0.000	1.929	-0.429
Si3	0.000	-1.929	-0.429
H4	1.205	0.000	1.790
H5	-1.205	0.000	1.790
H6	0.000	3.163	0.398
H7	0.000	-3.163	0.398
H8	1.206	1.935	-1.296
H9	-1.206	1.935	-1.296
H10	-1.206	-1.935	-1.296
H11	1.206	-1.935	-1.296

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3510	2.3510	1.4886	1.4886	3.2047	3.2047	3.1764	3.1764	3.1764	3.1764
Si2	2.3510		3.8580	3.1771	3.1771	1.4852	5.1585	1.4859	1.4859	4.1396	4.1396
Si3	2.3510	3.8580		3.1771	3.1771	5.1585	1.4852	4.1396	4.1396	1.4859	1.4859
H4	1.4886	3.1771	3.1771		2.4092	3.6593	3.6593	3.6425	4.3680	4.3680	3.6425
H5	1.4886	3.1771	3.1771	2.4092		3.6593	3.6593	4.3680	3.6425	3.6425	4.3680
H6	3.2047	1.4852	5.1585	3.6593	3.6593		6.3255	2.4155	2.4155	5.5055	5.5055
H7	3.2047	5.1585	1.4852	3.6593	3.6593	6.3255		5.5055	5.5055	2.4155	2.4155
H8	3.1764	1.4859	4.1396	3.6425	4.3680	2.4155	5.5055		2.4123	4.5598	3.8695
H9	3.1764	1.4859	4.1396	4.3680	3.6425	2.4155	5.5055	2.4123		3.8695	4.5598
H10	3.1764	4.1396	1.4859	4.3680	3.6425	5.5055	2.4155	4.5598	3.8695		2.4123
H11	3.1764	4.1396	1.4859	3.6425	4.3680	5.5055	2.4155	3.8695	4.5598	2.4123

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.305	S1	S2	H8	109.693
S1	S2	H9	109.693	S1	S3	H7	111.305
S1	S3	H10	109.693	S1	S3	H11	109.693
S2	S1	S3	110.272	S2	S1	H4	109.623
S2	S1	H5	109.623	S3	S1	H4	109.623
S3	S1	H5	109.623	H4	S1	H5	108.041
H6	S2	H8	108.780	H6	S2	H9	108.780
H7	S3	H10	108.780	H7	S3	H11	108.780
H8	S2	H9	108.534	H10	S3	H11	108.534

All results from a given calculation for Si₃H₈ (trisilane)

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

using model chemistry: MP4/aug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)