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	hartrees
Energy at 0K	-276.991260
Energy at 298.15K	-276.993525
HF Energy	-276.991260
Nuclear repulsion energy	112.162014

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3158	3133	17.73
2	A₁	1713	1699	43.15
3	A₁	1259	1249	26.02
4	A₁	993	985	56.47
5	A₁	219	217	1.93
6	A₂	786	779	0.00
7	A₂	472	468	0.00
8	B₁	756	749	31.31
9	B₂	3134	3109	0.00
10	B₂	1377	1366	26.17
11	B₂	1110	1101	98.86
12	B₂	743	737	25.76

Atom	y (Å)	z (Å)
C1	0.671	0.579
C2	-0.671	0.579
F3	1.408	-0.553
F4	-1.408	-0.553
H5	1.258	1.501
H6	-1.258	1.501

	C1	C2	F3	F4	H5	H6
C1		1.3423	1.3511	2.3676	1.0930	2.1382
C2	1.3423		2.3676	1.3511	2.1382	1.0930
F3	1.3511	2.3676		2.8159	2.0601	3.3659
F4	2.3676	1.3511	2.8159		3.3659	2.0601
H5	1.0930	2.1382	2.0601	3.3659		2.5161
H6	2.1382	1.0930	3.3659	2.0601	2.5161

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	123.048	C1	C2	H6	122.477
C2	C1	F3	123.048	C2	C1	H5	122.477
F3	C1	H5	114.474	F4	C2	H6	114.474

All results from a given calculation for C₂H₂F₂ (Ethene, 1,2-difluoro-, (Z)-)

using model chemistry: BLYP/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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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Number	Element	Mulliken
1	C	0.105
2	C	0.105
3	F	-0.235
4	F	-0.235
5	H	0.129
6	H	0.129

	x	y	z	Total
	0.000	0.000	1.993	1.993
CHELPG
AIM
ESP

<r²>	71.334
(<r²>)^1/2	8.446

All results from a given calculation for C2H2F2 (Ethene, 1,2-difluoro-, (Z)-)

using model chemistry: BLYP/6-31G*

States and conformations

All results from a given calculation for C₂H₂F₂ (Ethene, 1,2-difluoro-, (Z)-)