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	hartrees
Energy at 0K	-78.062824
Energy at 298.15K	-78.066081
HF Energy	-78.062824
Nuclear repulsion energy	33.749345

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	3290	2989	0.00	171.43	0.15	0.26
2	A_g	1814	1648	0.00	57.30	0.03	0.06
3	A_g	1474	1339	0.00	58.41	0.21	0.35
4	A_u	1139	1035	0.00	0.00	0.00	0.00
5	B_1u	3268	2969	18.80	0.00	0.00	0.00
6	B_1u	1589	1443	13.00	0.00	0.00	0.00
7	B_2g	1106	1005	0.00	8.42	0.75	0.86
8	B_2u	3370	3062	25.28	0.00	0.00	0.00
9	B_2u	890	808	0.00	0.00	0.00	0.00
10	B_3g	3341	3036	0.00	115.95	0.75	0.86
11	B_3g	1342	1219	0.00	0.43	0.75	0.86
12	B_3u	1085	986	119.36	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.657
C2	0.000	-0.657
H3	0.914	1.222
H4	-0.914	1.222
H5	-0.914	-1.222
H6	0.914	-1.222

	C1	C2	H3	H4	H5	H6
C1		1.3146	1.0744	1.0744	2.0895	2.0895
C2	1.3146		2.0895	2.0895	1.0744	1.0744
H3	1.0744	2.0895		1.8287	3.0516	2.4430
H4	1.0744	2.0895	1.8287		2.4430	3.0516
H5	2.0895	1.0744	3.0516	2.4430		1.8287
H6	2.0895	1.0744	2.4430	3.0516	1.8287

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.678	C1	C2	H6	121.678
C2	C1	H3	121.678	C2	C1	H4	121.678
H3	C1	H4	116.645	H5	C2	H6	116.645

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: HF/6-311+G(3df,2p)

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	-0.251
2	C	-0.251
3	H	0.126
4	H	0.126
5	H	0.126
6	H	0.126

<r²>	22.934
(<r²>)^1/2	4.789

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: HF/6-311+G(3df,2p)

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)