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

using model chemistry: TPSSh/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at TPSSh/TZVP
 hartrees
Energy at 0K-1197.641621
Energy at 298.15K-1197.644961
HF Energy-1197.641621
Nuclear repulsion energy373.088077
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 TPSSh/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3126 3013 0.00      
2 Ag 1399 1349 0.00      
3 Ag 1302 1254 0.00      
4 Ag 1100 1060 0.00      
5 Ag 1057 1018 0.00      
6 Ag 792 763 0.00      
7 Ag 508 490 0.00      
8 Ag 360 347 0.00      
9 Ag 259 250 0.00      
10 Au 3138 3024 8.89      
11 Au 1326 1278 13.33      
12 Au 1222 1178 40.51      
13 Au 1097 1057 280.81      
14 Au 741 714 251.53      
15 Au 391 376 1.97      
16 Au 360 347 31.77      
17 Au 164 158 1.28      
18 Au 66 64 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 9203.7 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 8869.6 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 TPSSh/TZVP
ABC
0.13281 0.04833 0.03660

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.765
C2 0.000 0.000 0.765
H3 1.008 0.000 -1.173
H4 -1.008 0.000 1.173
F5 -0.678 -1.094 -1.215
F6 0.678 1.094 1.215
Cl7 -0.827 1.486 -1.353
Cl8 0.827 -1.486 1.353

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52911.08812.18451.36332.36081.79982.7160
C21.52912.18451.08812.36081.36332.71601.7998
H31.08812.18453.09412.01042.64732.36862.9365
H42.18451.08813.09412.64732.01042.93652.3686
F51.36332.36082.01042.64733.53922.58843.0016
F62.36081.36332.64732.01043.53923.00162.5884
Cl71.79982.71602.36862.93652.58843.00164.3467
Cl82.71601.79982.93652.36863.00162.58844.3467

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 112.056 C1 C2 F6 109.278
C1 C2 Cl8 109.079 C2 C1 H3 112.056
C2 C1 F5 109.278 C2 C1 Cl7 109.079
H3 C1 F5 109.678 H3 C1 Cl7 107.642
H4 C2 F6 109.678 H4 C2 Cl8 107.642
F5 C1 Cl7 109.053 F6 C2 Cl8 109.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.082      
2 C 0.082      
3 H 0.166      
4 H 0.166      
5 F -0.160      
6 F -0.160      
7 Cl -0.088      
8 Cl -0.088      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.003 -1.396 0.961
y -1.396 8.465 -1.621
z 0.961 -1.621 6.582


<r2> (average value of r2) Å2
<r2> 258.969
(<r2>)1/2 16.093