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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-1197.471469
Energy at 298.15K-1197.474889
HF Energy-1197.471469
Nuclear repulsion energy374.598625
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 B3LYP/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 3127 3004 0.49      
2 A 1410 1355 9.97      
3 A 1306 1255 17.45      
4 A 1137 1092 207.94      
5 A 1076 1034 53.62      
6 A 818 786 97.26      
7 A 448 430 3.69      
8 A 311 299 1.29      
9 A 162 156 0.70      
10 A 77 74 0.63      
11 B 3138 3015 14.78      
12 B 1356 1303 6.60      
13 B 1240 1191 35.41      
14 B 1111 1067 23.56      
15 B 802 771 118.49      
16 B 433 416 12.13      
17 B 381 366 7.56      
18 B 329 316 11.11      

Unscaled Zero Point Vibrational Energy (zpe) 9330.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 8964.3 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 B3LYP/6-31G**
ABC
0.09705 0.05916 0.03821

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.733 0.400
C2 0.223 -0.733 0.400
H3 -1.310 0.821 0.340
H4 1.310 -0.821 0.340
F5 0.223 1.287 1.561
F6 -0.223 -1.287 1.561
Cl7 0.483 1.626 -0.988
Cl8 -0.483 -1.626 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53211.09192.18331.36202.33021.79482.7491
C21.53212.18331.09192.33021.36202.74911.7948
H31.09192.18333.09132.01442.66782.37152.9041
H42.18331.09193.09132.66782.01442.90412.3715
F51.36202.33022.01442.66782.61262.58473.9349
F62.33021.36202.66782.01442.61263.93492.5847
Cl71.79482.74912.37152.90412.58473.93493.3924
Cl82.74911.79482.90412.37153.93492.58473.3924

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 111.517 C1 C2 F6 107.102
C1 C2 Cl8 111.199 C2 C1 H3 111.517
C2 C1 F5 107.102 C2 C1 Cl7 111.199
H3 C1 F5 109.864 H3 C1 Cl7 107.987
H4 C2 F6 109.864 H4 C2 Cl8 107.987
F5 C1 Cl7 109.153 F6 C2 Cl8 109.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.117      
2 C 0.117      
3 H 0.170      
4 H 0.170      
5 F -0.260      
6 F -0.260      
7 Cl -0.027      
8 Cl -0.027      


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 0.022 0.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.223 -2.401 0.000
y -2.401 -49.653 0.000
z 0.000 0.000 -49.327
Traceless
 xyz
x 5.266 -2.401 0.000
y -2.401 -2.878 0.000
z 0.000 0.000 -2.389
Polar
3z2-r2-4.778
x2-y25.429
xy-2.401
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.020 0.794 0.000
y 0.794 6.492 0.000
z 0.000 0.000 6.931


<r2> (average value of r2) Å2
<r2> 249.380
(<r2>)1/2 15.792