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	hartrees
Energy at 0K	-275.740514
Energy at 298.15K	-275.743091
Nuclear repulsion energy	114.755545

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3440	3123	7.02
2	A₁	1965	1785	52.75
3	A₁	1385	1257	43.26
4	A₁	1107	1005	92.27
5	A₁	251	228	3.51
6	A₂	1012	919	0.00
7	A₂	566	514	0.00
8	B₁	890	808	31.91
9	B₂	3414	3100	1.94
10	B₂	1510	1371	53.45
11	B₂	1230	1117	161.50
12	B₂	835	758	41.19

Atom	y (Å)	z (Å)
C1	0.655	0.567
C2	-0.655	0.567
F3	1.376	-0.542
F4	-1.376	-0.542
H5	1.232	1.477
H6	-1.232	1.477

	C1	C2	F3	F4	H5	H6
C1		1.3100	1.3227	2.3140	1.0778	2.0949
C2	1.3100		2.3140	1.3227	2.0949	1.0778
F3	1.3227	2.3140		2.7518	2.0247	3.2981
F4	2.3140	1.3227	2.7518		3.2981	2.0247
H5	1.0778	2.0949	2.0247	3.2981		2.4632
H6	2.0949	1.0778	3.2981	2.0247	2.4632

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	123.027	C1	C2	H6	122.341
C2	C1	F3	123.027	C2	C1	H5	122.341
F3	C1	H5	114.632	F4	C2	H6	114.632

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

using model chemistry: HF/cc-pVDZ

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	0.206
2	C	0.206
3	F	-0.259
4	F	-0.259
5	H	0.052
6	H	0.052

	x	y	z	Total
	0.000	0.000	2.686	2.686
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: HF/cc-pVDZ

States and conformations

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