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return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for (difluorodichloromethane)

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-1155.765865
Energy at 298.15K-1155.767427
HF Energy-1155.765865
Nuclear repulsion energy306.098477
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 HF/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 1233 1123 315.06 5.90 0.48 0.65
2 A1 720 656 10.50 9.91 0.02 0.04
3 A1 495 450 0.06 8.00 0.14 0.25
4 A1 284 259 0.05 1.51 0.56 0.72
5 A2 351 319 0.00 0.74 0.75 0.86
6 B1 1013 922 413.12 6.24 0.75 0.86
7 B1 474 432 0.65 2.62 0.75 0.86
8 B2 1308 1191 214.57 2.00 0.75 0.86
9 B2 470 428 0.33 0.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3172.9 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 2889.3 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 HF/aug-cc-pVDZ
ABC
0.13975 0.08819 0.07461

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.337
F2 0.000 1.063 1.112
F3 0.000 -1.063 1.112
Cl4 1.456 0.000 -0.648
Cl5 -1.456 0.000 -0.648

Atom - Atom Distances (Å)
  C1 F2 F3 Cl4 Cl5
C11.31541.31541.75771.7577
F21.31542.12572.51932.5193
F31.31542.12572.51932.5193
Cl41.75772.51932.51932.9117
Cl51.75772.51932.51932.9117

picture of difluorodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 107.799 F2 C1 Cl4 109.278
F2 C1 Cl5 109.278 F3 C1 Cl4 109.278
F3 C1 Cl5 109.278 Cl4 C1 Cl5 111.841
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.864      
2 F -0.431      
3 F -0.431      
4 Cl -0.001      
5 Cl -0.001      


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 -0.503 0.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.040 0.000 0.000
y 0.000 -41.979 0.000
z 0.000 0.000 -40.969
Traceless
 xyz
x 2.434 0.000 0.000
y 0.000 -1.975 0.000
z 0.000 0.000 -0.459
Polar
3z2-r2-0.918
x2-y22.939
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.204 0.000 0.000
y 0.000 4.980 0.000
z 0.000 0.000 5.559


<r2> (average value of r2) Å2
<r2> 155.012
(<r2>)1/2 12.450