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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-238.948955
Energy at 298.15K-238.951753
HF Energy-238.948955
Nuclear repulsion energy76.514642
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 BLYP/6-31G(2df,p)
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 2923 2907 53.49 99.80 0.11 0.19
2 A1 1493 1485 1.62 7.94 0.73 0.85
3 A1 1080 1074 81.10 4.66 0.19 0.32
4 A1 509 506 2.97 1.63 0.70 0.82
5 A2 1228 1221 0.00 11.83 0.75 0.86
6 B1 2978 2961 71.12 49.81 0.75 0.86
7 B1 1157 1150 16.82 2.36 0.75 0.86
8 B2 1444 1436 27.53 4.40 0.75 0.86
9 B2 1061 1055 193.96 2.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6935.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 6897.5 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 BLYP/6-31G(2df,p)
ABC
1.63387 0.34525 0.30235

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.501
H2 -0.917 0.000 1.120
H3 0.917 0.000 1.120
F4 0.000 1.114 -0.292
F5 0.000 -1.114 -0.292

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.10591.10591.36721.3672
H21.10591.83362.01822.0182
H31.10591.83362.01822.0182
F41.36722.01822.01822.2275
F51.36722.01822.01822.2275

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 111.997 H2 C1 F4 108.926
H2 C1 F5 108.926 H3 C1 F4 108.926
H3 C1 F5 108.926 F4 C1 F5 109.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 H 0.093      
3 H 0.093      
4 F -0.080      
5 F -0.080      


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 1.524 1.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.145 0.000 0.000
y 0.000 -18.187 0.000
z 0.000 0.000 -15.119
Traceless
 xyz
x 1.507 0.000 0.000
y 0.000 -3.054 0.000
z 0.000 0.000 1.547
Polar
3z2-r23.094
x2-y23.041
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.239 0.000 0.000
y 0.000 2.329 0.000
z 0.000 0.000 2.261


<r2> (average value of r2) Å2
<r2> 39.643
(<r2>)1/2 6.296