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	hartrees
Energy at 0K	-78.426321
Energy at 298.15K	-78.429498
HF Energy	-78.064840
Nuclear repulsion energy	33.452784

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3196	3196	0.00
2	A_g	1708	1708	0.00
3	A_g	1390	1390	0.00
4	A_u	1045	1045	0.00
5	B_1u	3176	3176	11.81
6	B_1u	1490	1490	8.87
7	B_2g	965	965	0.00
8	B_2u	3284	3284	16.91
9	B_2u	830	830	0.00
10	B_3g	3256	3256	0.00
11	B_3g	1257	1257	0.00
12	B_3u	985	985	93.01

Atom	y (Å)	z (Å)
C1	0.000	0.665
C2	0.000	-0.665
H3	0.922	1.229
H4	-0.922	1.229
H5	-0.922	-1.229
H6	0.922	-1.229

	C1	C2	H3	H4	H5	H6
C1		1.3301	1.0806	1.0806	2.1066	2.1066
C2	1.3301		2.1066	2.1066	1.0806	1.0806
H3	1.0806	2.1066		1.8434	3.0728	2.4584
H4	1.0806	2.1066	1.8434		2.4584	3.0728
H5	2.1066	1.0806	3.0728	2.4584		1.8434
H6	2.1066	1.0806	2.4584	3.0728	1.8434

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.471	C1	C2	H6	121.471
C2	C1	H3	121.471	C2	C1	H4	121.471
H3	C1	H4	117.058	H5	C2	H6	117.058

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP3/aug-cc-pVTZ

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/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)