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

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

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/6-31+G**
 hartrees
Energy at 0K-238.907003
Energy at 298.15K-238.909846
HF Energy-238.907003
Nuclear repulsion energy77.180465
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/6-31+G**
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 3112 2963 39.48 111.56 0.10 0.19
2 A1 1545 1471 1.47 6.79 0.75 0.85
3 A1 1156 1101 115.16 5.87 0.17 0.29
4 A1 531 505 6.56 1.46 0.70 0.83
5 A2 1282 1221 0.00 10.04 0.75 0.86
6 B1 3191 3039 34.20 50.72 0.75 0.86
7 B1 1186 1130 21.16 1.51 0.75 0.86
8 B2 1472 1401 29.51 3.97 0.75 0.86
9 B2 1149 1094 263.49 3.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7311.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 6962.4 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/6-31+G**
ABC
1.63981 0.35343 0.30872

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.506
H2 -0.915 0.000 1.102
H3 0.915 0.000 1.102
F4 0.000 1.100 -0.291
F5 0.000 -1.100 -0.291

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09171.09171.35881.3588
H21.09171.82911.99721.9972
H31.09171.82911.99721.9972
F41.35881.99721.99722.2008
F51.35881.99721.99722.2008

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 113.799 H2 C1 F4 108.685
H2 C1 F5 108.685 H3 C1 F4 108.685
H3 C1 F5 108.685 F4 C1 F5 108.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.324      
2 H 0.144      
3 H 0.144      
4 F -0.306      
5 F -0.306      


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 2.154 2.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.312 0.000 0.000
y 0.000 -19.399 0.000
z 0.000 0.000 -15.350
Traceless
 xyz
x 2.063 0.000 0.000
y 0.000 -4.068 0.000
z 0.000 0.000 2.005
Polar
3z2-r24.010
x2-y24.087
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.189 0.000 0.000
y 0.000 2.324 0.000
z 0.000 0.000 2.233


<r2> (average value of r2) Å2
<r2> 39.383
(<r2>)1/2 6.276