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	hartrees
Energy at 0K	-13.432336
Energy at 298.15K	-13.435480
HF Energy	-13.242223
Nuclear repulsion energy	19.230793

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3116	2879	0.00
2	A_g	1668	1542	0.00
3	A_g	1380	1275	0.00
4	A_u	1030	952	0.00
5	B_1u	3084	2849	25.16
6	B_1u	1505	1390	6.57
7	B_2g	841	778	0.00
8	B_2u	3210	2966	60.21
9	B_2u	837	774	1.43
10	B_3g	3179	2938	0.00
11	B_3g	1252	1157	0.00
12	B_3u	963	889	124.72

Atom	y (Å)	z (Å)
C1	0.000	0.681
C2	0.000	-0.681
H3	0.930	1.256
H4	-0.930	1.256
H5	-0.930	-1.256
H6	0.930	-1.256

	C1	C2	H3	H4	H5	H6
C1		1.3623	1.0930	1.0930	2.1487	2.1487
C2	1.3623		2.1487	2.1487	1.0930	1.0930
H3	1.0930	2.1487		1.8593	3.1253	2.5121
H4	1.0930	2.1487	1.8593		2.5121	3.1253
H5	2.1487	1.0930	3.1253	2.5121		1.8593
H6	2.1487	1.0930	2.5121	3.1253	1.8593

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.733	C1	C2	H6	121.733
C2	C1	H3	121.733	C2	C1	H4	121.733
H3	C1	H4	116.535	H5	C2	H6	116.535

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CID/CEP-121G

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/CEP-121G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)