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	hartrees
Energy at 0K	-78.360570
Energy at 298.15K	-78.363758
HF Energy	-78.043150
Nuclear repulsion energy	33.082753

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3193	3193	0.00
2	A_g	1697	1697	0.00
3	A_g	1381	1381	0.00
4	A_u	1057	1057	0.00
5	B_1u	3177	3177	14.16
6	B_1u	1481	1481	7.19
7	B_2g	1017	1017	0.00
8	B_2u	3292	3292	21.75
9	B_2u	826	826	0.01
10	B_3g	3263	3263	0.00
11	B_3g	1235	1235	0.00
12	B_3u	991	991	92.45

Atom	y (Å)	z (Å)
C1	0.000	0.673
C2	0.000	-0.673
H3	0.931	1.243
H4	-0.931	1.243
H5	-0.931	-1.243
H6	0.931	-1.243

	C1	C2	H3	H4	H5	H6
C1		1.3458	1.0918	1.0918	2.1305	2.1305
C2	1.3458		2.1305	2.1305	1.0918	1.0918
H3	1.0918	2.1305		1.8618	3.1067	2.4870
H4	1.0918	2.1305	1.8618		2.4870	3.1067
H5	2.1305	1.0918	3.1067	2.4870		1.8618
H6	2.1305	1.0918	2.4870	3.1067	1.8618

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.505	C1	C2	H6	121.505
C2	C1	H3	121.505	C2	C1	H4	121.505
H3	C1	H4	116.989	H5	C2	H6	116.989

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP3=FULL/daug-cc-pVDZ

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=FULL/daug-cc-pVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)