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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-90.634592
Energy at 298.15K-90.637803
HF Energy-90.634592
Nuclear repulsion energy132.071026
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3143 3063 0.15      
2 A 1378 1343 2.36      
3 A 1273 1241 10.65      
4 A 1099 1071 31.57      
5 A 992 967 202.75      
6 A 776 756 96.68      
7 A 419 408 1.80      
8 A 288 280 1.75      
9 A 155 151 1.18      
10 A 65 63 1.05      
11 B 3153 3073 7.17      
12 B 1307 1274 5.50      
13 B 1221 1190 27.70      
14 B 982 957 23.34      
15 B 758 738 103.55      
16 B 395 385 19.48      
17 B 354 345 12.40      
18 B 313 305 15.74      

Unscaled Zero Point Vibrational Energy (zpe) 9034.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 8804.5 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/CEP-121G
ABC
0.09044 0.05645 0.03604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.246 0.731 0.423
C2 0.246 -0.731 0.423
H3 -1.333 0.820 0.404
H4 1.333 -0.820 0.404
F5 0.246 1.343 1.616
F6 -0.246 -1.343 1.616
Cl7 0.442 1.669 -1.028
Cl8 -0.442 -1.669 -1.028

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.54191.09052.21291.42852.39271.85992.8113
C21.54192.21291.09052.39271.42852.81131.8599
H31.09052.21293.12942.05712.70722.43383.0072
H42.21291.09053.12942.70722.05713.00722.4338
F51.42852.39272.05712.70722.73122.67134.0670
F62.39271.42852.70722.05712.73124.06702.6713
Cl71.85992.81132.43383.00722.67134.06703.4538
Cl82.81131.85993.00722.43384.06702.67133.4538

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 113.298 C1 C2 F6 107.263
C1 C2 Cl8 111.124 C2 C1 H3 113.298
C2 C1 F5 107.263 C2 C1 Cl7 111.124
H3 C1 F5 108.757 H3 C1 Cl7 108.317
H4 C2 F6 108.757 H4 C2 Cl8 108.317
F5 C1 Cl7 107.928 F6 C2 Cl8 107.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 C -0.133      
3 H 0.232      
4 H 0.232      
5 F -0.181      
6 F -0.181      
7 Cl 0.082      
8 Cl 0.082      


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 -0.874 0.874
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.410 -3.280 0.000
y -3.280 -50.926 0.000
z 0.000 0.000 -51.697
Traceless
 xyz
x 7.902 -3.280 0.000
y -3.280 -3.373 0.000
z 0.000 0.000 -4.529
Polar
3z2-r2-9.058
x2-y27.516
xy-3.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.758 0.899 0.000
y 0.899 6.522 0.000
z 0.000 0.000 7.793


<r2> (average value of r2) Å2
<r2> 161.021
(<r2>)1/2 12.689