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	hartrees
Energy at 0K	-78.540702
Energy at 298.15K	-78.543897
HF Energy	-78.540702
Nuclear repulsion energy	33.285981

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3182	3048	0.00
2	A_g	1717	1645	0.00
3	A_g	1416	1356	0.00
4	A_u	1073	1028	0.00
5	B_1u	3162	3028	18.07
6	B_1u	1514	1450	8.52
7	B_2g	1008	965	0.00
8	B_2u	3273	3135	38.23
9	B_2u	858	822	2.45
10	B_3g	3243	3106	0.00
11	B_3g	1267	1213	0.00
12	B_3u	1001	959	124.84

Atom	y (Å)	z (Å)
C1	0.000	0.667
C2	0.000	-0.667
H3	0.922	1.242
H4	-0.922	1.242
H5	-0.922	-1.242
H6	0.922	-1.242

	C1	C2	H3	H4	H5	H6
C1		1.3349	1.0869	1.0869	2.1209	2.1209
C2	1.3349		2.1209	2.1209	1.0869	1.0869
H3	1.0869	2.1209		1.8447	3.0947	2.4848
H4	1.0869	2.1209	1.8447		2.4848	3.0947
H5	2.1209	1.0869	3.0947	2.4848		1.8447
H6	2.1209	1.0869	2.4848	3.0947	1.8447

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.937	C1	C2	H6	121.937
C2	C1	H3	121.937	C2	C1	H4	121.937
H3	C1	H4	116.126	H5	C2	H6	116.126

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: B3PW91/6-31G

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	-0.310
2	C	-0.310
3	H	0.155
4	H	0.155
5	H	0.155
6	H	0.155

<r²>	23.058
(<r²>)^1/2	4.802

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: B3PW91/6-31G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)