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	hartrees
Energy at 0K	-13.679543
Energy at 298.15K	-13.682694
HF Energy	-13.679543
Nuclear repulsion energy	19.402458

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	3126	3031	0.00	222.64	0.16	0.27
2	A_g	1671	1620	0.00	11.47	0.02	0.03
3	A_g	1363	1322	0.00	41.87	0.36	0.53
4	A_u	1052	1020	0.00	0.00	0.00	0.00
5	B_1u	3112	3017	26.38	0.00	0.00	0.00
6	B_1u	1467	1422	7.19	0.00	0.00	0.00
7	B_2g	931	902	0.00	1.40	0.75	0.86
8	B_2u	3218	3119	46.17	0.00	0.00	0.00
9	B_2u	823	798	0.79	0.00	0.00	0.00
10	B_3g	3189	3092	0.00	137.95	0.75	0.86
11	B_3g	1226	1189	0.00	0.94	0.75	0.86
12	B_3u	960	931	121.58	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.670
C2	0.000	-0.670
H3	0.928	1.242
H4	-0.928	1.242
H5	-0.928	-1.242
H6	0.928	-1.242

	C1	C2	H3	H4	H5	H6
C1		1.3410	1.0899	1.0899	2.1261	2.1261
C2	1.3410		2.1261	2.1261	1.0899	1.0899
H3	1.0899	2.1261		1.8554	3.1013	2.4850
H4	1.0899	2.1261	1.8554		2.4850	3.1013
H5	2.1261	1.0899	3.1013	2.4850		1.8554
H6	2.1261	1.0899	2.4850	3.1013	1.8554

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.657	C1	C2	H6	121.657
C2	C1	H3	121.657	C2	C1	H4	121.657
H3	C1	H4	116.686	H5	C2	H6	116.686

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: B3LYP/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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Number	Element	Mulliken
1	C	-0.316
2	C	-0.316
3	H	0.158
4	H	0.158
5	H	0.158
6	H	0.158

<r²>	21.559
(<r²>)^1/2	4.643

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: B3LYP/CEP-121G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)