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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-1193.843084
Energy at 298.15K-1193.846479
HF Energy-1193.843084
Nuclear repulsion energy379.609504
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 LSDA/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 3027 2970 0.32      
2 A 1367 1341 20.63      
3 A 1263 1240 10.96      
4 A 1158 1136 225.59      
5 A 1092 1071 30.43      
6 A 827 812 84.83      
7 A 456 447 3.27      
8 A 305 299 1.03      
9 A 159 156 0.71      
10 A 80 79 0.57      
11 B 3040 2983 14.01      
12 B 1309 1285 5.60      
13 B 1196 1174 25.09      
14 B 1141 1120 24.47      
15 B 813 798 103.43      
16 B 430 422 9.44      
17 B 380 373 6.71      
18 B 323 317 12.34      

Unscaled Zero Point Vibrational Energy (zpe) 9182.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 9010.4 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 LSDA/6-31G*
ABC
0.09831 0.06172 0.03947

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.220 0.724 0.400
C2 0.220 -0.724 0.400
H3 -1.322 0.800 0.337
H4 1.322 -0.800 0.337
F5 0.220 1.270 1.550
F6 -0.220 -1.270 1.550
Cl7 0.477 1.584 -0.981
Cl8 -0.477 -1.584 -0.981

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51461.10562.16941.34702.30241.77022.7024
C21.51462.16941.10562.30241.34702.70241.7702
H31.10562.16943.08992.01742.64002.36422.8522
H42.16941.10563.08992.64002.01742.85222.3642
F51.34702.30242.01742.64002.57832.56353.8782
F62.30241.34702.64002.01742.57833.87822.5635
Cl71.77022.70242.36422.85222.56353.87823.3089
Cl82.70241.77022.85222.36423.87822.56353.3089

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 110.818 C1 C2 F6 106.994
C1 C2 Cl8 110.473 C2 C1 H3 110.818
C2 C1 F5 106.994 C2 C1 Cl7 110.473
H3 C1 F5 110.293 H3 C1 Cl7 108.366
H4 C2 F6 110.293 H4 C2 Cl8 108.366
F5 C1 Cl7 109.901 F6 C2 Cl8 109.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 C -0.038      
3 H 0.231      
4 H 0.231      
5 F -0.196      
6 F -0.196      
7 Cl 0.003      
8 Cl 0.003      


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 0.143 0.143
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.257 -2.139 0.000
y -2.139 -49.158 0.000
z 0.000 0.000 -48.673
Traceless
 xyz
x 4.658 -2.139 0.000
y -2.139 -2.693 0.000
z 0.000 0.000 -1.966
Polar
3z2-r2-3.931
x2-y24.900
xy-2.139
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.151 0.742 0.000
y 0.742 6.554 0.000
z 0.000 0.000 6.991


<r2> (average value of r2) Å2
<r2> 242.341
(<r2>)1/2 15.567