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	hartrees
Energy at 0K	-78.360397
Energy at 298.15K	-78.363542
HF Energy	-78.038518
Nuclear repulsion energy	32.940727

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3169	3052
2	A_g	1673	1612
3	A_g	1359	1309
4	A_u	1032	994
5	B_1u	3150	3034
6	B_1u	1461	1408
7	B_2g	912	878
8	B_2u	3266	3145
9	B_2u	819	788
10	B_3g	3239	3120
11	B_3g	1228	1183
12	B_3u	951	916

Atom	y (Å)	z (Å)
C1	0.000	0.675
C2	0.000	-0.675
H3	0.936	1.249
H4	-0.936	1.249
H5	-0.936	-1.249
H6	0.936	-1.249

	C1	C2	H3	H4	H5	H6
C1		1.3508	1.0975	1.0975	2.1397	2.1397
C2	1.3508		2.1397	2.1397	1.0975	1.0975
H3	1.0975	2.1397		1.8716	3.1210	2.4976
H4	1.0975	2.1397	1.8716		2.4976	3.1210
H5	2.1397	1.0975	3.1210	2.4976		1.8716
H6	2.1397	1.0975	2.4976	3.1210	1.8716

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.498	C1	C2	H6	121.498
C2	C1	H3	121.498	C2	C1	H4	121.498
H3	C1	H4	117.005	H5	C2	H6	117.005

All results from a given calculation for C₂H₄ (Ethylene)

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

using model chemistry: CCSD(T)=FULL/cc-pVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)