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	hartrees
Energy at 0K	-275.840313
Energy at 298.15K	-275.842902
HF Energy	-275.840313
Nuclear repulsion energy	115.424064

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3410	3085	5.06
2	A₁	1930	1746	76.19
3	A₁	1398	1265	46.87
4	A₁	1115	1008	80.97
5	A₁	259	235	2.76
6	A₂	1014	918	0.00
7	A₂	571	516	0.00
8	B₁	883	799	50.15
9	B₂	3385	3062	4.32
10	B₂	1525	1379	46.54
11	B₂	1242	1124	159.14
12	B₂	846	766	40.23

Atom	y (Å)	z (Å)
C1	0.653	0.565
C2	-0.653	0.565
F3	1.366	-0.539
F4	-1.366	-0.539
H5	1.225	1.467
H6	-1.225	1.467

	C1	C2	F3	F4	H5	H6
C1		1.3057	1.3147	2.3014	1.0689	2.0837
C2	1.3057		2.3014	1.3147	2.0837	1.0689
F3	1.3147	2.3014		2.7329	2.0119	3.2778
F4	2.3014	1.3147	2.7329		3.2778	2.0119
H5	1.0689	2.0837	2.0119	3.2778		2.4504
H6	2.0837	1.0689	3.2778	2.0119	2.4504

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.873	C1	C2	H6	122.374
C2	C1	F3	122.873	C2	C1	H5	122.374
F3	C1	H5	114.752	F4	C2	H6	114.752

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

using model chemistry: HF/daug-cc-pVTZ

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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HF vs MP2 Bad vib. Calc. vs exp. 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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	-0.144
2	C	-0.144
3	F	-0.788
4	F	-0.788
5	H	0.932
6	H	0.932

	x	y	z	Total
	0.000	0.000	2.490	2.490
CHELPG
AIM
ESP

<r²>	68.578
(<r²>)^1/2	8.281

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

using model chemistry: HF/daug-cc-pVTZ

States and conformations

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