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	hartrees
Energy at 0K	-78.390052
Energy at 298.15K	-78.393149
HF Energy	-78.061251
Nuclear repulsion energy	33.293358

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3171	3052
2	A_g	1675	1612
3	A_g	1377	1325
4	A_u	1030	991
5	B_1u	3155	3036
6	B_1u	1489	1433
7	B_2g	750	722
8	B_2u	3262	3139
9	B_2u	828	797
10	B_3g	3235	3113
11	B_3g	1240	1194
12	B_3u	934	899

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
H3	0.924	1.237
H4	-0.924	1.237
H5	-0.924	-1.237
H6	0.924	-1.237

	C1	C2	H3	H4	H5	H6
C1		1.3376	1.0844	1.0844	2.1177	2.1177
C2	1.3376		2.1177	2.1177	1.0844	1.0844
H3	1.0844	2.1177		1.8475	3.0873	2.4736
H4	1.0844	2.1177	1.8475		2.4736	3.0873
H5	2.1177	1.0844	3.0873	2.4736		1.8475
H6	2.1177	1.0844	2.4736	3.0873	1.8475

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.586	C1	C2	H6	121.586
C2	C1	H3	121.586	C2	C1	H4	121.586
H3	C1	H4	116.829	H5	C2	H6	116.829

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD(T)/TZVP

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(T)/TZVP

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)