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

using model chemistry: M06-2X/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/6-31G**
 hartrees
Energy at 0K-238.886790
Energy at 298.15K-238.889644
HF Energy-238.886790
Nuclear repulsion energy77.403818
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 M06-2X/6-31G**
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 3084 2932 47.03 107.09 0.11 0.21
2 A1 1565 1488 4.16 9.24 0.75 0.86
3 A1 1177 1119 107.13 4.36 0.24 0.39
4 A1 534 507 5.46 1.55 0.74 0.85
5 A2 1290 1226 0.00 14.68 0.75 0.86
6 B1 3153 2997 65.17 48.78 0.75 0.86
7 B1 1201 1141 23.42 2.39 0.75 0.86
8 B2 1507 1432 47.14 4.96 0.75 0.86
9 B2 1194 1134 202.86 3.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7352.7 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 6988.0 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 M06-2X/6-31G**
ABC
1.66073 0.35445 0.30998

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.498
H2 -0.909 0.000 1.108
H3 0.909 0.000 1.108
F4 0.000 1.099 -0.289
F5 0.000 -1.099 -0.289

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09421.09421.35221.3522
H21.09421.81741.99641.9964
H31.09421.81741.99641.9964
F41.35221.99641.99642.1981
F51.35221.99641.99642.1981

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 112.298 H2 C1 F4 108.935
H2 C1 F5 108.935 H3 C1 F4 108.935
H3 C1 F5 108.935 F4 C1 F5 108.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.391      
2 H 0.107      
3 H 0.107      
4 F -0.303      
5 F -0.303      


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 1.804 1.804
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.036 0.000 0.000
y 0.000 -18.315 0.000
z 0.000 0.000 -14.861
Traceless
 xyz
x 1.552 0.000 0.000
y 0.000 -3.367 0.000
z 0.000 0.000 1.815
Polar
3z2-r23.630
x2-y23.280
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.005 0.000 0.000
y 0.000 1.931 0.000
z 0.000 0.000 1.940


<r2> (average value of r2) Å2
<r2> 38.882
(<r2>)1/2 6.236