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	hartrees
Energy at 0K	-78.060062
Energy at 298.15K	-78.063269
HF Energy	-78.060062
Nuclear repulsion energy	33.393297

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	3182	3065	0.00	158.90	0.12	0.21
2	A_g	1720	1657	0.00	6.54	0.10	0.18
3	A_g	1431	1379	0.00	33.07	0.45	0.63
4	A_u	1085	1045	0.00	0.00	0.00	0.00
5	B_1u	3165	3049	11.34	0.00	0.00	0.00
6	B_1u	1529	1473	10.38	0.00	0.00	0.00
7	B_2g	1011	974	0.00	1.55	0.75	0.86
8	B_2u	3269	3149	21.60	0.00	0.00	0.00
9	B_2u	876	843	3.14	0.00	0.00	0.00
10	B_3g	3237	3118	0.00	109.00	0.75	0.86
11	B_3g	1285	1238	0.00	1.09	0.75	0.86
12	B_3u	998	961	128.70	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.664
C2	0.000	-0.664
H3	0.923	1.237
H4	-0.923	1.237
H5	-0.923	-1.237
H6	0.923	-1.237

	C1	C2	H3	H4	H5	H6
C1		1.3279	1.0862	1.0862	2.1130	2.1130
C2	1.3279		2.1130	2.1130	1.0862	1.0862
H3	1.0862	2.1130		1.8455	3.0864	2.4738
H4	1.0862	2.1130	1.8455		2.4738	3.0864
H5	2.1130	1.0862	3.0864	2.4738		1.8455
H6	2.1130	1.0862	2.4738	3.0864	1.8455

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.836	C1	C2	H6	121.836
C2	C1	H3	121.836	C2	C1	H4	121.836
H3	C1	H4	116.329	H5	C2	H6	116.329

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: HSEh1PBE/3-21G

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	-0.425
2	C	-0.425
3	H	0.212
4	H	0.212
5	H	0.212
6	H	0.212

<r²>	22.995
(<r²>)^1/2	4.795

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: HSEh1PBE/3-21G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)