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

using model chemistry: BLYP/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-238.983372
Energy at 298.15K-238.986120
HF Energy-238.983372
Nuclear repulsion energy75.464661
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/aug-cc-pVDZ
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 2978 2973 40.03 126.56 0.07 0.13
2 A1 1441 1438 0.04 3.59 0.73 0.84
3 A1 1028 1026 89.08 7.01 0.16 0.28
4 A1 483 482 3.65 1.56 0.63 0.77
5 A2 1197 1195 0.00 4.61 0.75 0.86
6 B1 3061 3055 29.18 49.18 0.75 0.86
7 B1 1115 1113 12.22 0.75 0.75 0.86
8 B2 1368 1365 6.11 0.86 0.75 0.86
9 B2 971 969 260.40 3.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6820.9 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 6808.0 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 BLYP/aug-cc-pVDZ
ABC
1.58157 0.33633 0.29424

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.518
H2 -0.931 0.000 1.114
H3 0.931 0.000 1.114
F4 0.000 1.128 -0.297
F5 0.000 -1.128 -0.297

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.10511.10511.39171.3917
H21.10511.86102.03212.0321
H31.10511.86102.03212.0321
F41.39172.03212.03212.2567
F51.39172.03212.03212.2567

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 114.699 H2 C1 F4 108.409
H2 C1 F5 108.409 H3 C1 F4 108.409
H3 C1 F5 108.409 F4 C1 F5 108.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.376      
2 H -0.359      
3 H -0.359      
4 F -0.329      
5 F -0.329      


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 1.985 1.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.673 0.000 0.000
y 0.000 -19.614 0.000
z 0.000 0.000 -15.733
Traceless
 xyz
x 2.001 0.000 0.000
y 0.000 -3.911 0.000
z 0.000 0.000 1.911
Polar
3z2-r23.821
x2-y23.941
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.607 0.000 0.000
y 0.000 3.072 0.000
z 0.000 0.000 2.808


<r2> (average value of r2) Å2
<r2> 40.948
(<r2>)1/2 6.399