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

using model chemistry: B2PLYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1191.170511
Energy at 298.15K-1191.173840
HF Energy-1190.943618
Nuclear repulsion energy372.938671
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/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 3180 3180 1.46      
2 A 1431 1431 0.64      
3 A 1337 1337 24.05      
4 A 1114 1114 110.30      
5 A 1053 1053 46.37      
6 A 801 801 85.93      
7 A 431 431 4.10      
8 A 289 289 1.28      
9 A 162 162 1.39      
10 A 78 78 0.69      
11 B 3195 3195 7.71      
12 B 1369 1369 3.76      
13 B 1291 1291 23.22      
14 B 1082 1082 10.22      
15 B 772 772 112.10      
16 B 403 403 8.34      
17 B 365 365 19.58      
18 B 339 339 10.34      

Unscaled Zero Point Vibrational Energy (zpe) 9346.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9346.1 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/3-21G*
ABC
0.09431 0.06016 0.03809

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.244 0.724 0.409
C2 0.244 -0.724 0.409
H3 -1.329 0.768 0.379
H4 1.329 -0.768 0.379
F5 0.244 1.310 1.585
F6 -0.244 -1.310 1.585
Cl7 0.407 1.615 -1.006
Cl8 -0.407 -1.615 -1.006

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52801.08622.16811.40132.34951.79432.7387
C21.52802.16811.08622.34951.40132.73871.7943
H31.08622.16813.06972.05462.63652.37622.9064
H42.16811.08623.06972.63652.05462.90642.3762
F51.40132.34952.05462.63652.66512.61393.9613
F62.34951.40132.63652.05462.66513.96132.6139
Cl71.79432.73872.37622.90642.61393.96133.3309
Cl82.73871.79432.90642.37623.96132.61393.3309

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 110.935 C1 C2 F6 106.574
C1 C2 Cl8 110.784 C2 C1 H3 110.935
C2 C1 F5 106.574 C2 C1 Cl7 110.784
H3 C1 F5 110.737 H3 C1 Cl7 108.654
H4 C2 F6 110.737 H4 C2 Cl8 108.654
F5 C1 Cl7 109.142 F6 C2 Cl8 109.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 C 0.007      
3 H 0.271      
4 H 0.271      
5 F -0.272      
6 F -0.272      
7 Cl -0.006      
8 Cl -0.006      


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 -0.291 0.291
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.492 -2.499 0.000
y -2.499 -50.860 0.000
z 0.000 0.000 -50.697
Traceless
 xyz
x 6.287 -2.499 0.000
y -2.499 -3.266 0.000
z 0.000 0.000 -3.021
Polar
3z2-r2-6.042
x2-y26.368
xy-2.499
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.397 0.754 0.000
y 0.754 5.793 0.000
z 0.000 0.000 6.601


<r2> (average value of r2) Å2
<r2> 250.311
(<r2>)1/2 15.821