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

using model chemistry: BLYP/daug-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 BLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-239.054862
Energy at 298.15K-239.057623
HF Energy-239.054862
Nuclear repulsion energy75.933353
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/daug-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 2968 2968 41.09 129.22 0.07 0.12
2 A1 1479 1479 0.15 3.52 0.71 0.83
3 A1 1041 1041 90.09 7.31 0.14 0.25
4 A1 496 496 3.67 1.37 0.60 0.75
5 A2 1219 1219 0.00 4.47 0.75 0.86
6 B1 3037 3037 31.75 48.71 0.75 0.86
7 B1 1135 1135 13.08 0.66 0.75 0.86
8 B2 1397 1397 8.33 0.82 0.75 0.86
9 B2 982 982 260.33 2.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6876.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6876.9 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/daug-cc-pVTZ
ABC
1.60674 0.33997 0.29749

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.513
H2 -0.920 0.000 1.110
H3 0.920 0.000 1.110
F4 0.000 1.123 -0.294
F5 0.000 -1.123 -0.294

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09651.09651.38281.3828
H21.09651.84002.01942.0194
H31.09651.84002.01942.0194
F41.38282.01942.01942.2451
F51.38282.01942.01942.2451

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 114.075 H2 C1 F4 108.526
H2 C1 F5 108.526 H3 C1 F4 108.526
H3 C1 F5 108.526 F4 C1 F5 108.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.527      
2 H 0.403      
3 H 0.403      
4 F -0.667      
5 F -0.667      


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 1.942 1.942
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.639 0.000 0.000
y 0.000 -19.517 0.000
z 0.000 0.000 -15.702
Traceless
 xyz
x 1.970 0.000 0.000
y 0.000 -3.847 0.000
z 0.000 0.000 1.877
Polar
3z2-r23.753
x2-y23.878
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.697 0.000 0.000
y 0.000 3.106 0.000
z 0.000 0.000 2.867


<r2> (average value of r2) Å2
<r2> 40.566
(<r2>)1/2 6.369