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	hartrees
Energy at 0K	-78.464963
Energy at 298.15K	-78.468134
HF Energy	-78.065002
Nuclear repulsion energy	33.523899

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3196	3040	0.00
2	A_g	1712	1628	0.00
3	A_g	1391	1323	0.00
4	A_u	1029	978	0.00
5	B_1u	3160	3006	13.27
6	B_1u	1494	1421	9.11
7	B_2g	960	913	0.00
8	B_2u	3255	3095	17.36
9	B_2u	819	779	0.00
10	B_3g	3221	3064	0.00
11	B_3g	1257	1195	0.00
12	B_3u	985	937	92.06

Atom	y (Å)	z (Å)
C1	0.000	0.664
C2	0.000	-0.664
H3	0.920	1.226
H4	-0.920	1.226
H5	-0.920	-1.226
H6	0.920	-1.226

	C1	C2	H3	H4	H5	H6
C1		1.3273	1.0784	1.0784	2.1018	2.1018
C2	1.3273		2.1018	2.1018	1.0784	1.0784
H3	1.0784	2.1018		1.8403	3.0659	2.4521
H4	1.0784	2.1018	1.8403		2.4521	3.0659
H5	2.1018	1.0784	3.0659	2.4521		1.8403
H6	2.1018	1.0784	2.4521	3.0659	1.8403

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.433	C1	C2	H6	121.433
C2	C1	H3	121.433	C2	C1	H4	121.433
H3	C1	H4	117.134	H5	C2	H6	117.134

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/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 C2H4 (Ethylene)

using model chemistry: CCSD=FULL/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)