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

using model chemistry: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-1196.985106
Energy at 298.15K-1196.988572
HF Energy-1196.686244
Nuclear repulsion energy375.655933
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 B2PLYP/cc-pVDZ
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 3147 3014 0.65      
2 A 1402 1342 10.69      
3 A 1287 1232 12.89      
4 A 1141 1093 141.39      
5 A 1079 1033 138.80      
6 A 830 795 89.12      
7 A 456 437 1.71      
8 A 310 297 1.25      
9 A 165 158 0.77      
10 A 78 75 0.59      
11 B 3157 3024 13.64      
12 B 1337 1281 5.35      
13 B 1221 1169 33.41      
14 B 1095 1049 27.29      
15 B 820 785 107.72      
16 B 431 413 11.78      
17 B 387 370 7.50      
18 B 332 318 11.41      

Unscaled Zero Point Vibrational Energy (zpe) 9337.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8942.8 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 B2PLYP/cc-pVDZ
ABC
0.09693 0.06005 0.03855

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.225 0.730 0.404
C2 0.225 -0.730 0.404
H3 -1.319 0.812 0.357
H4 1.319 -0.812 0.357
F5 0.225 1.299 1.561
F6 -0.225 -1.299 1.561
Cl7 0.464 1.608 -0.990
Cl8 -0.464 -1.608 -0.990

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52871.09782.18281.36492.33541.78572.7328
C21.52872.18281.09782.33541.36492.73281.7857
H31.09782.18283.09742.01742.66432.37222.8980
H42.18281.09783.09742.66432.01742.89802.3722
F51.36492.33542.01742.66432.63582.58043.9277
F62.33541.36492.66432.01742.63583.92772.5804
Cl71.78572.73282.37222.89802.58043.92773.3469
Cl82.73281.78572.89802.37223.92772.58043.3469

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 111.363 C1 C2 F6 107.493
C1 C2 Cl8 110.842 C2 C1 H3 111.363
C2 C1 F5 107.493 C2 C1 Cl7 110.842
H3 C1 F5 109.531 H3 C1 Cl7 108.340
H4 C2 F6 109.531 H4 C2 Cl8 108.340
F5 C1 Cl7 109.248 F6 C2 Cl8 109.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.190      
2 C 0.190      
3 H 0.081      
4 H 0.081      
5 F -0.194      
6 F -0.194      
7 Cl -0.078      
8 Cl -0.078      


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 -0.247 0.247
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.382 -2.245 0.000
y -2.245 -49.852 0.000
z 0.000 0.000 -49.763
Traceless
 xyz
x 5.426 -2.245 0.000
y -2.245 -2.779 0.000
z 0.000 0.000 -2.646
Polar
3z2-r2-5.292
x2-y25.470
xy-2.245
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.866 0.687 0.000
y 0.687 6.145 0.000
z 0.000 0.000 6.831


<r2> (average value of r2) Å2
<r2> 247.640
(<r2>)1/2 15.737