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	hartrees
Energy at 0K	-78.340326
Energy at 298.15K	-78.343509
HF Energy	-78.038458
Nuclear repulsion energy	33.418657

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3262	3050	0.00
2	A_g	1754	1640	0.00
3	A_g	1421	1329	0.00
4	A_u	1084	1013	0.00
5	B_1u	3244	3033	14.44
6	B_1u	1532	1432	3.69
7	B_2g	947	886	0.00
8	B_2u	3354	3136	30.39
9	B_2u	851	796	0.17
10	B_3g	3331	3114	0.00
11	B_3g	1275	1192	0.00
12	B_3u	995	930	80.45

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.919	1.234
H4	-0.919	1.234
H5	-0.919	-1.234
H6	0.919	-1.234

	C1	C2	H3	H4	H5	H6
C1		1.3327	1.0801	1.0801	2.1108	2.1108
C2	1.3327		2.1108	2.1108	1.0801	1.0801
H3	1.0801	2.1108		1.8379	3.0770	2.4679
H4	1.0801	2.1108	1.8379		2.4679	3.0770
H5	2.1108	1.0801	3.0770	2.4679		1.8379
H6	2.1108	1.0801	2.4679	3.0770	1.8379

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.702	C1	C2	H6	121.702
C2	C1	H3	121.702	C2	C1	H4	121.702
H3	C1	H4	116.597	H5	C2	H6	116.597

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP3/6-31G**

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: MP3/6-31G**

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)