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	hartrees
Energy at 0K	-78.135518
Energy at 298.15K	-78.138724
HF Energy	-78.135518
Nuclear repulsion energy	33.409212

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	3187	3026	0.00	159.88	0.12	0.21
2	A_g	1721	1635	0.00	6.51	0.10	0.18
3	A_g	1433	1361	0.00	33.25	0.45	0.62
4	A_u	1086	1032	0.00	0.00	0.00	0.00
5	B_1u	3169	3010	11.88	0.00	0.00	0.00
6	B_1u	1533	1455	10.22	0.00	0.00	0.00
7	B_2g	1014	963	0.00	1.64	0.75	0.86
8	B_2u	3273	3108	22.16	0.00	0.00	0.00
9	B_2u	878	833	3.10	0.00	0.00	0.00
10	B_3g	3242	3078	0.00	110.00	0.75	0.86
11	B_3g	1289	1224	0.00	1.04	0.75	0.86
12	B_3u	1000	950	130.16	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.664
C2	0.000	-0.664
H3	0.922	1.236
H4	-0.922	1.236
H5	-0.922	-1.236
H6	0.922	-1.236

	C1	C2	H3	H4	H5	H6
C1		1.3278	1.0852	1.0852	2.1120	2.1120
C2	1.3278		2.1120	2.1120	1.0852	1.0852
H3	1.0852	2.1120		1.8441	3.0843	2.4723
H4	1.0852	2.1120	1.8441		2.4723	3.0843
H5	2.1120	1.0852	3.0843	2.4723		1.8441
H6	2.1120	1.0852	2.4723	3.0843	1.8441

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.825	C1	C2	H6	121.825
C2	C1	H3	121.825	C2	C1	H4	121.825
H3	C1	H4	116.350	H5	C2	H6	116.350

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: mPW1PW91/3-21G*

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	-0.429
2	C	-0.429
3	H	0.214
4	H	0.214
5	H	0.214
6	H	0.214

<r²>	22.965
(<r²>)^1/2	4.792

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: mPW1PW91/3-21G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)