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All results from a given calculation for CH2F2 (Methane, difluoro-)

using model chemistry: wB97X-D/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pV(T+d)Z
 hartrees
Energy at 0K-239.011510
Energy at 298.15K 
HF Energy-239.011510
Nuclear repulsion energy77.441236
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 wB97X-D/cc-pV(T+d)Z
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 3061 3061 45.78 114.68 0.09 0.16
2 A1 1544 1544 0.58 4.47 0.71 0.83
3 A1 1139 1139 105.63 3.52 0.28 0.44
4 A1 537 537 4.68 1.49 0.68 0.81
5 A2 1287 1287 0.00 6.86 0.75 0.86
6 B1 3133 3133 42.41 44.37 0.75 0.86
7 B1 1197 1197 18.84 1.39 0.75 0.86
8 B2 1476 1476 17.91 2.14 0.75 0.86
9 B2 1119 1119 246.79 2.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7246.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7246.0 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 wB97X-D/cc-pV(T+d)Z
ABC
1.66409 0.35456 0.31023

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.499
H2 -0.910 0.000 1.102
H3 0.910 0.000 1.102
F4 0.000 1.099 -0.289
F5 0.000 -1.099 -0.289

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09121.09121.35221.3522
H21.09121.81931.99231.9923
H31.09121.81931.99231.9923
F41.35221.99231.99232.1976
F51.35221.99231.99232.1976

picture of Methane, difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 112.941 H2 C1 F4 108.780
H2 C1 F5 108.780 H3 C1 F4 108.780
H3 C1 F5 108.780 F4 C1 F5 108.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.363      
2 H 0.020      
3 H 0.020      
4 F -0.201      
5 F -0.201      


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 1.859 1.859
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.110 0.000 0.000
y 0.000 -18.671 0.000
z 0.000 0.000 -15.107
Traceless
 xyz
x 1.779 0.000 0.000
y 0.000 -3.562 0.000
z 0.000 0.000 1.783
Polar
3z2-r23.567
x2-y23.561
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.103 0.000 0.000
y 0.000 2.327 0.000
z 0.000 0.000 2.213


<r2> (average value of r2) Å2
<r2> 38.992
(<r2>)1/2 6.244