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	hartrees
Energy at 0K	-78.164319
Energy at 298.15K	-78.167515
HF Energy	-78.164319
Nuclear repulsion energy	33.303948

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	3155	3046	0.00	168.76	0.12	0.21
2	A_g	1700	1642	0.00	5.96	0.14	0.25
3	A_g	1424	1375	0.00	34.00	0.44	0.61
4	A_u	1083	1046	0.00	0.00	0.00	0.00
5	B_1u	3137	3030	18.58	0.00	0.00	0.00
6	B_1u	1534	1481	6.62	0.00	0.00	0.00
7	B_2g	989	955	0.00	1.43	0.75	0.86
8	B_2u	3237	3126	32.90	0.00	0.00	0.00
9	B_2u	867	837	2.20	0.00	0.00	0.00
10	B_3g	3204	3094	0.00	116.57	0.75	0.86
11	B_3g	1287	1243	0.00	1.06	0.75	0.86
12	B_3u	994	960	120.66	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.667
C2	0.000	-0.667
H3	0.924	1.240
H4	-0.924	1.240
H5	-0.924	-1.240
H6	0.924	-1.240

	C1	C2	H3	H4	H5	H6
C1		1.3335	1.0872	1.0872	2.1188	2.1188
C2	1.3335		2.1188	2.1188	1.0872	1.0872
H3	1.0872	2.1188		1.8475	3.0926	2.4801
H4	1.0872	2.1188	1.8475		2.4801	3.0926
H5	2.1188	1.0872	3.0926	2.4801		1.8475
H6	2.1188	1.0872	2.4801	3.0926	1.8475

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.827	C1	C2	H6	121.827
C2	C1	H3	121.827	C2	C1	H4	121.827
H3	C1	H4	116.346	H5	C2	H6	116.346

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: TPSSh/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	-0.407
2	C	-0.407
3	H	0.203
4	H	0.203
5	H	0.203
6	H	0.203

<r²>	23.097
(<r²>)^1/2	4.806

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: TPSSh/3-21G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)