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	hartrees
Energy at 0K	-78.031718
Energy at 298.15K	-78.034972
HF Energy	-78.031718
Nuclear repulsion energy	33.690429

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	3345	3005	0.00	180.39	0.14	0.24
2	A_g	1856	1668	0.00	17.02	0.09	0.16
3	A_g	1497	1345	0.00	46.45	0.40	0.57
4	A_u	1155	1038	0.00	0.00	0.00	0.00
5	B_1u	3322	2984	25.15	0.00	0.00	0.00
6	B_1u	1610	1447	5.92	0.00	0.00	0.00
7	B_2g	1099	988	0.00	3.65	0.75	0.86
8	B_2u	3421	3074	40.35	0.00	0.00	0.00
9	B_2u	897	806	0.21	0.00	0.00	0.00
10	B_3g	3395	3051	0.00	125.28	0.75	0.86
11	B_3g	1352	1215	0.00	1.30	0.75	0.86
12	B_3u	1095	984	101.19	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.658
C2	0.000	-0.658
H3	0.914	1.226
H4	-0.914	1.226
H5	-0.914	-1.226
H6	0.914	-1.226

	C1	C2	H3	H4	H5	H6
C1		1.3170	1.0759	1.0759	2.0943	2.0943
C2	1.3170		2.0943	2.0943	1.0759	1.0759
H3	1.0759	2.0943		1.8285	3.0582	2.4514
H4	1.0759	2.0943	1.8285		2.4514	3.0582
H5	2.0943	1.0759	3.0582	2.4514		1.8285
H6	2.0943	1.0759	2.4514	3.0582	1.8285

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.817	C1	C2	H6	121.817
C2	C1	H3	121.817	C2	C1	H4	121.817
H3	C1	H4	116.366	H5	C2	H6	116.366

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: HF/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	-0.353
2	C	-0.353
3	H	0.176
4	H	0.176
5	H	0.176
6	H	0.176

<r²>	22.799
(<r²>)^1/2	4.775

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: HF/6-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)