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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-1196.980939
Energy at 298.15K-1196.984231
HF Energy-1196.980939
Nuclear repulsion energy375.128223
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 PBEPBE/Def2TZVPP
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 3029 2993 0.11      
2 A 1328 1312 4.13      
3 A 1231 1216 5.52      
4 A 1073 1060 127.49      
5 A 1018 1006 137.85      
6 A 792 782 101.54      
7 A 441 435 1.94      
8 A 300 296 1.02      
9 A 158 156 0.40      
10 A 71 70 0.51      
11 B 3043 3006 10.22      
12 B 1279 1263 4.34      
13 B 1180 1165 21.84      
14 B 1023 1010 31.15      
15 B 782 773 87.54      
16 B 418 413 9.41      
17 B 371 367 6.68      
18 B 315 311 9.04      

Unscaled Zero Point Vibrational Energy (zpe) 8924.8 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 8816.8 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 PBEPBE/Def2TZVPP
ABC
0.09653 0.05999 0.03850

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.243 0.720 0.429
C2 0.243 -0.720 0.429
H3 -1.325 0.787 0.437
H4 1.325 -0.787 0.437
F5 0.243 1.333 1.553
F6 -0.243 -1.333 1.553
Cl7 0.352 1.620 -0.999
Cl8 -0.352 -1.620 -0.999

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51881.08462.17471.36942.33991.79032.7433
C21.51882.17471.08462.33991.36942.74331.7903
H31.08462.17473.08292.00082.62922.35972.9672
H42.17471.08463.08292.62922.00082.96722.3597
F51.36942.33992.00082.62922.70912.57113.9481
F62.33991.36942.62922.00082.70913.94812.5711
Cl71.79032.74332.35972.96722.57113.94813.3153
Cl82.74331.79032.96722.35973.94812.57113.3153

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 112.222 C1 C2 F6 108.110
C1 C2 Cl8 111.738 C2 C1 H3 112.222
C2 C1 F5 108.110 C2 C1 Cl7 111.738
H3 C1 F5 108.681 H3 C1 Cl7 107.789
H4 C2 F6 108.681 H4 C2 Cl8 107.789
F5 C1 Cl7 108.189 F6 C2 Cl8 108.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 C 0.126      
3 H 0.111      
4 H 0.111      
5 F -0.145      
6 F -0.145      
7 Cl -0.093      
8 Cl -0.093      


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 -0.406 0.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.646 -2.126 0.000
y -2.126 -49.534 0.000
z 0.000 0.000 -49.821
Traceless
 xyz
x 5.031 -2.126 0.000
y -2.126 -2.301 0.000
z 0.000 0.000 -2.731
Polar
3z2-r2-5.461
x2-y24.888
xy-2.126
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.378 0.739 0.000
y 0.739 8.107 0.000
z 0.000 0.000 8.385


<r2> (average value of r2) Å2
<r2> 247.996
(<r2>)1/2 15.748