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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-1196.681631
Energy at 298.15K-1196.684898
HF Energy-1196.506940
Nuclear repulsion energy366.190245
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3219 3219 0.65      
2 A 1414 1414 0.98      
3 A 1308 1308 19.12      
4 A 1143 1143 28.74      
5 A 1037 1037 161.45      
6 A 780 780 85.95      
7 A 420 420 3.54      
8 A 297 297 1.74      
9 A 158 158 1.39      
10 A 74 74 0.98      
11 B 3231 3231 2.59      
12 B 1344 1344 6.26      
13 B 1260 1260 28.10      
14 B 1034 1034 13.08      
15 B 758 758 114.73      
16 B 406 406 18.50      
17 B 359 359 12.84      
18 B 322 322 14.48      

Unscaled Zero Point Vibrational Energy (zpe) 9281.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9281.1 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 B2PLYP/6-31G
ABC
0.09156 0.05734 0.03658

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.242 0.718 0.420
C2 0.242 -0.718 0.420
H3 -1.323 0.809 0.384
H4 1.323 -0.809 0.384
F5 0.242 1.317 1.606
F6 -0.242 -1.317 1.606
Cl7 0.457 1.659 -1.021
Cl8 -0.457 -1.659 -1.021

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51611.08582.18691.41422.35621.85732.7886
C21.51612.18691.08582.35621.41422.78861.8573
H31.08582.18693.10142.05002.68012.42222.9689
H42.18691.08583.10142.68012.05002.96892.4222
F51.41422.35622.05002.68012.67852.65824.0313
F62.35621.41422.68012.05002.67854.03132.6582
Cl71.85732.78862.42222.96892.65824.03133.4423
Cl82.78861.85732.96892.42224.03132.65823.4423

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 113.346 C1 C2 F6 106.990
C1 C2 Cl8 111.107 C2 C1 H3 113.346
C2 C1 F5 106.990 C2 C1 Cl7 111.107
H3 C1 F5 109.467 H3 C1 Cl7 107.879
H4 C2 F6 109.467 H4 C2 Cl8 107.879
F5 C1 Cl7 107.921 F6 C2 Cl8 107.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 C 0.010      
3 H 0.238      
4 H 0.238      
5 F -0.300      
6 F -0.300      
7 Cl 0.052      
8 Cl 0.052      


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 -0.472 0.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.741 -3.204 0.000
y -3.204 -52.119 0.000
z 0.000 0.000 -52.460
Traceless
 xyz
x 7.549 -3.204 0.000
y -3.204 -3.519 0.000
z 0.000 0.000 -4.030
Polar
3z2-r2-8.060
x2-y27.378
xy-3.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.285 1.016 0.000
y 1.016 5.909 0.000
z 0.000 0.000 7.081


<r2> (average value of r2) Å2
<r2> 260.095
(<r2>)1/2 16.127