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	hartrees
Energy at 0K	-276.961324
Energy at 298.15K	-276.956480
HF Energy	-277.060202
Nuclear repulsion energy	113.866088

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3233	3120	10.59
2	A₁	1782	1719	46.03
3	A₁	1300	1254	31.29
4	A₁	1036	1000	53.12
5	A₁	226	219	2.19
6	A₂	848	819	0.00
7	A₂	507	490	0.00
8	B₁	795	767	30.73
9	B₂	3208	3096	0.98
10	B₂	1411	1361	31.45
11	B₂	1163	1122	107.83
12	B₂	777	749	26.28

Atom	y (Å)	z (Å)
C1	0.662	0.572
C2	-0.662	0.572
F3	1.386	-0.546
F4	-1.386	-0.546
H5	1.243	1.486
H6	-1.243	1.486

	C1	C2	F3	F4	H5	H6
C1		1.3250	1.3318	2.3336	1.0831	2.1136
C2	1.3250		2.3336	1.3318	2.1136	1.0831
F3	1.3318	2.3336		2.7713	2.0377	3.3230
F4	2.3336	1.3318	2.7713		3.3230	2.0377
H5	1.0831	2.1136	2.0377	3.3230		2.4862
H6	2.1136	1.0831	3.3230	2.0377	2.4862

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.888	C1	C2	H6	122.567
C2	C1	F3	122.888	C2	C1	H5	122.567
F3	C1	H5	114.545	F4	C2	H6	114.545

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

using model chemistry: G4

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	-0.048
2	C	-0.048
3	F	-0.077
4	F	-0.077
5	H	0.125
6	H	0.125

	x	y	z	Total
	0.000	0.000	2.044	2.044
CHELPG
AIM
ESP

<r²>	0.000
(<r²>)^1/2	0.000

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

using model chemistry: G4

States and conformations

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