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

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-277.014627
Energy at 298.15K-277.016971
HF Energy-277.014627
Nuclear repulsion energy112.993159
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3173 3128 12.91      
2 A1 1711 1687 56.00      
3 A1 1258 1240 32.66      
4 A1 989 975 62.05      
5 A1 231 228 1.91      
6 A2 816 804 0.00      
7 A2 500 493 0.00      
8 B1 750 739 42.44      
9 B2 3149 3105 1.48      
10 B2 1363 1344 26.76      
11 B2 1110 1095 124.70      
12 B2 760 749 29.82      

Unscaled Zero Point Vibrational Energy (zpe) 7904.4 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 7793.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/cc-pVTZ
ABC
0.71114 0.19117 0.15067

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.576
C2 0.000 -0.665 0.576
F3 0.000 1.400 -0.550
F4 0.000 -1.400 -0.550
H5 0.000 1.245 1.493
H6 0.000 -1.245 1.493

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.33021.34472.35201.08492.1184
C21.33022.35201.34472.11841.0849
F31.34472.35202.79942.04943.3418
F42.35201.34472.79943.34182.0494
H51.08492.11842.04943.34182.4890
H62.11841.08493.34182.04942.4890

picture of Ethene, 1,2-difluoro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 123.141 C1 C2 H6 122.350
C2 C1 F3 123.141 C2 C1 H5 122.350
F3 C1 H5 114.509 F4 C2 H6 114.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.058      
2 C 0.058      
3 F -0.152      
4 F -0.152      
5 H 0.094      
6 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.106 2.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.342 0.000 0.000
y 0.000 -21.945 0.000
z 0.000 0.000 -19.697
Traceless
 xyz
x -1.521 0.000 0.000
y 0.000 -0.926 0.000
z 0.000 0.000 2.447
Polar
3z2-r24.893
x2-y2-0.397
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.450 0.000 0.000
y 0.000 5.123 0.000
z 0.000 0.000 3.679


<r2> (average value of r2) Å2
<r2> 70.885
(<r2>)1/2 8.419