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	hartrees
Energy at 0K	-78.355832
Energy at 298.15K	-78.359038
HF Energy	-78.043100
Nuclear repulsion energy	33.542786

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3260	3260	0.00
2	A_g	1755	1755	0.00
3	A_g	1426	1426	0.00
4	A_u	1103	1103	0.00
5	B_1u	3240	3240	8.78
6	B_1u	1519	1519	6.93
7	B_2g	1015	1015	0.00
8	B_2u	3348	3348	17.23
9	B_2u	847	847	0.19
10	B_3g	3322	3322	0.00
11	B_3g	1278	1278	0.00
12	B_3u	1025	1025	77.98

Atom	y (Å)	z (Å)
C1	0.000	0.662
C2	0.000	-0.662
H3	0.918	1.230
H4	-0.918	1.230
H5	-0.918	-1.230
H6	0.918	-1.230

	C1	C2	H3	H4	H5	H6
C1		1.3239	1.0797	1.0797	2.1032	2.1032
C2	1.3239		2.1032	2.1032	1.0797	1.0797
H3	1.0797	2.1032		1.8358	3.0701	2.4608
H4	1.0797	2.1032	1.8358		2.4608	3.0701
H5	2.1032	1.0797	3.0701	2.4608		1.8358
H6	2.1032	1.0797	2.4608	3.0701	1.8358

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.770	C1	C2	H6	121.770
C2	C1	H3	121.770	C2	C1	H4	121.770
H3	C1	H4	116.460	H5	C2	H6	116.460

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CID/6-31G(2df,p)

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: CID/6-31G(2df,p)

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)