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All results from a given calculation for CHCl2CHF2 (1,1-dichloro-2,2-difluoroethane)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-1188.207671
Energy at 298.15K-1188.211045
HF Energy-1188.207671
Nuclear repulsion energy379.020678
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/3-21G*
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' 3058 3003 2.13      
2 A' 3027 2972 23.20      
3 A' 1388 1363 21.03      
4 A' 1243 1220 0.63      
5 A' 1125 1105 85.82      
6 A' 1063 1043 20.19      
7 A' 775 762 28.99      
8 A' 545 535 7.45      
9 A' 376 369 12.86      
10 A' 338 332 14.94      
11 A' 247 243 0.11      
12 A" 1374 1349 14.85      
13 A" 1221 1199 8.76      
14 A" 1177 1156 92.81      
15 A" 782 768 134.03      
16 A" 390 383 3.07      
17 A" 170 167 1.74      
18 A" 81 80 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 9189.8 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 9024.4 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/3-21G*
ABC
0.08155 0.07250 0.03978

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.401 -0.222 0.000
C2 -0.371 1.082 0.000
H3 1.484 -0.013 0.000
H4 -1.454 0.873 0.000
Cl5 -0.004 -1.122 1.470
Cl6 -0.004 -1.122 -1.470
F7 -0.004 1.785 1.122
F8 -0.004 1.785 -1.122

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.51511.10322.15431.77101.77102.33482.3348
C21.51512.15431.10322.67472.67471.37381.3738
H31.10322.15433.06922.36782.36782.59002.5900
H42.15431.10323.06922.87162.87162.04762.0476
Cl51.77102.67472.36782.87162.94082.92833.8951
Cl61.77102.67472.36782.87162.94083.89512.9283
F72.33481.37382.59002.04762.92833.89512.2432
F82.33481.37382.59002.04763.89512.92832.2432

picture of 1,1-dichloro-2,2-difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 109.723 C1 C2 F7 107.735
C1 C2 F8 107.735 C2 C1 H3 109.723
C2 C1 Cl5 108.716 C2 C1 Cl6 108.716
H3 C1 Cl5 108.706 H3 C1 Cl6 108.706
H4 C2 F7 111.038 H4 C2 F8 111.038
Cl5 C1 Cl6 112.252 F7 C2 F8 109.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.574      
2 C 0.327      
3 H 0.334      
4 H 0.241      
5 Cl 0.058      
6 Cl 0.058      
7 F -0.222      
8 F -0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.046 0.176 0.000 0.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.732 -0.727 0.000
y -0.727 -50.095 0.000
z 0.000 0.000 -49.534
Traceless
 xyz
x 6.082 -0.727 0.000
y -0.727 -3.462 0.000
z 0.000 0.000 -2.620
Polar
3z2-r2-5.240
x2-y26.363
xy-0.727
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.254 0.195 0.000
y 0.195 5.515 0.000
z 0.000 0.000 7.530


<r2> (average value of r2) Å2
<r2> 240.373
(<r2>)1/2 15.504