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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1197.517378
Energy at 298.15K-1197.520823
HF Energy-1197.517378
Nuclear repulsion energy375.232471
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3150 3019 0.00      
2 Ag 1391 1333 0.00      
3 Ag 1291 1238 0.00      
4 Ag 1135 1088 0.00      
5 Ag 1079 1034 0.00      
6 Ag 826 791 0.00      
7 Ag 517 496 0.00      
8 Ag 373 357 0.00      
9 Ag 268 257 0.00      
10 Au 3162 3030 7.21      
11 Au 1303 1248 10.68      
12 Au 1214 1164 30.72      
13 Au 1122 1075 251.59      
14 Au 781 749 224.26      
15 Au 400 383 2.70      
16 Au 368 353 25.76      
17 Au 169 162 0.66      
18 Au 71 68 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 9309.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 8921.5 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 mPW1PW91/aug-cc-pVDZ
ABC
0.13410 0.04896 0.03706

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.762
C2 0.000 0.000 0.762
H3 1.017 0.000 -1.168
H4 -1.017 0.000 1.168
F5 -0.669 -1.098 -1.206
F6 0.669 1.098 1.206
Cl7 -0.828 1.460 -1.356
Cl8 0.828 -1.460 1.356

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52441.09492.18171.36072.35141.78022.7023
C21.52442.18171.09492.35141.36072.70231.7802
H31.09492.18173.09732.01282.63892.36032.9216
H42.18171.09493.09732.63892.01282.92162.3603
F51.36072.35142.01282.63893.52662.56722.9896
F62.35141.36072.63892.01283.52662.98962.5672
Cl71.78022.70232.36032.92162.56722.98964.3150
Cl82.70231.78022.92162.36032.98962.56724.3150

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.758 C1 C2 F6 109.045
C1 C2 Cl8 109.477 C2 C1 H3 111.758
C2 C1 F5 109.045 C2 C1 Cl7 109.477
H3 C1 F5 109.633 H3 C1 Cl7 107.975
H4 C2 F6 109.633 H4 C2 Cl8 107.975
F5 C1 Cl7 108.907 F6 C2 Cl8 108.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.539      
2 C 0.539      
3 H -0.050      
4 H -0.050      
5 F -0.419      
6 F -0.419      
7 Cl -0.069      
8 Cl -0.069      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.575 -1.119 -3.595
y -1.119 -49.891 -0.934
z -3.595 -0.934 -48.201
Traceless
 xyz
x 2.472 -1.119 -3.595
y -1.119 -2.504 -0.934
z -3.595 -0.934 0.032
Polar
3z2-r20.064
x2-y23.317
xy-1.119
xz-3.595
yz-0.934


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.420 -1.119 0.962
y -1.119 9.408 -1.442
z 0.962 -1.442 8.170


<r2> (average value of r2) Å2
<r2> 256.119
(<r2>)1/2 16.004