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	hartrees
Energy at 0K	-78.413694
Energy at 298.15K	-78.416829
HF Energy	-78.061670
Nuclear repulsion energy	33.412154

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3190	3023	0.00
2	A_g	1706	1616	0.00
3	A_g	1396	1323	0.00
4	A_u	1049	994	0.00
5	B_1u	3172	3006	16.29
6	B_1u	1504	1425	6.62
7	B_2g	812	769	0.00
8	B_2u	3279	3107	27.05
9	B_2u	840	796	0.19
10	B_3g	3252	3082	0.00
11	B_3g	1253	1188	0.00
12	B_3u	960	910	98.33

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.921	1.233
H4	-0.921	1.233
H5	-0.921	-1.233
H6	0.921	-1.233

	C1	C2	H3	H4	H5	H6
C1		1.3311	1.0822	1.0822	2.1104	2.1104
C2	1.3311		2.1104	2.1104	1.0822	1.0822
H3	1.0822	2.1104		1.8429	3.0787	2.4662
H4	1.0822	2.1104	1.8429		2.4662	3.0787
H5	2.1104	1.0822	3.0787	2.4662		1.8429
H6	2.1104	1.0822	2.4662	3.0787	1.8429

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.629	C1	C2	H6	121.629
C2	C1	H3	121.629	C2	C1	H4	121.629
H3	C1	H4	116.741	H5	C2	H6	116.741

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/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=FULL/TZVP

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)