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	hartrees
Energy at 0K	-78.396318
Energy at 298.15K	-78.399530
HF Energy	-78.064714
Nuclear repulsion energy	33.594169

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3230	3230	0.00
2	A_g	1745	1745	0.00
3	A_g	1417	1417	0.00
4	A_u	1092	1092	0.00
5	B_1u	3211	3211	12.70
6	B_1u	1520	1520	9.65
7	B_2g	1013	1013	0.00
8	B_2u	3318	3318	19.69
9	B_2u	849	849	0.05
10	B_3g	3292	3292	0.00
11	B_3g	1279	1279	0.00
12	B_3u	1017	1017	95.85

Atom	y (Å)	z (Å)
C1	0.000	0.661
C2	0.000	-0.661
H3	0.918	1.225
H4	-0.918	1.225
H5	-0.918	-1.225
H6	0.918	-1.225

	C1	C2	H3	H4	H5	H6
C1		1.3230	1.0774	1.0774	2.0982	2.0982
C2	1.3230		2.0982	2.0982	1.0774	1.0774
H3	1.0774	2.0982		1.8363	3.0621	2.4503
H4	1.0774	2.0982	1.8363		2.4503	3.0621
H5	2.0982	1.0774	3.0621	2.4503		1.8363
H6	2.0982	1.0774	2.4503	3.0621	1.8363

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.546	C1	C2	H6	121.546
C2	C1	H3	121.546	C2	C1	H4	121.546
H3	C1	H4	116.908	H5	C2	H6	116.908

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CISD/cc-pCVTZ

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: CISD/cc-pCVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)