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

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 C2 1A
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-1188.195353
Energy at 298.15K-1188.198639
HF Energy-1188.195353
Nuclear repulsion energy377.282986
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 3028 2974 0.80      
2 A 1365 1341 3.81      
3 A 1268 1246 13.16      
4 A 1138 1118 144.39      
5 A 1059 1040 36.97      
6 A 792 777 83.12      
7 A 436 429 5.15      
8 A 282 277 0.84      
9 A 160 158 1.51      
10 A 80 78 0.49      
11 B 3046 2991 8.86      
12 B 1307 1283 3.17      
13 B 1222 1200 16.05      
14 B 1107 1087 12.58      
15 B 761 747 101.22      
16 B 400 392 6.63      
17 B 357 351 13.51      
18 B 331 325 14.19      

Unscaled Zero Point Vibrational Energy (zpe) 9069.2 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 8906.0 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
0.09473 0.06283 0.03927

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.236 0.719 0.418
C2 0.236 -0.719 0.418
H3 -1.338 0.758 0.361
H4 1.338 -0.758 0.361
F5 0.236 1.301 1.577
F6 -0.236 -1.301 1.577
Cl7 0.427 1.562 -1.004
Cl8 -0.427 -1.562 -1.004

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51411.10352.15951.38102.32971.78082.6944
C21.51412.15951.10352.32971.38102.69441.7808
H31.10352.15953.07522.06202.63302.37162.8415
H42.15951.10353.07522.63302.06202.84152.3716
F51.38102.32972.06202.63302.64552.60143.9116
F62.32971.38102.63302.06202.64553.91162.6014
Cl71.78082.69442.37162.84152.60143.91163.2379
Cl82.69441.78082.84152.37163.91162.60143.2379

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 110.184 C1 C2 F6 107.075
C1 C2 Cl8 109.454 C2 C1 H3 110.184
C2 C1 F5 107.075 C2 C1 Cl7 109.454
H3 C1 F5 111.706 H3 C1 Cl7 108.323
H4 C2 F6 111.706 H4 C2 Cl8 108.323
F5 C1 Cl7 110.084 F6 C2 Cl8 110.084
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 -0.098      
2 C -0.098      
3 H 0.288      
4 H 0.288      
5 F -0.210      
6 F -0.210      
7 Cl 0.020      
8 Cl 0.020      


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 0.070 0.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.380 -2.248 0.000
y -2.248 -50.080 0.000
z 0.000 0.000 -49.508
Traceless
 xyz
x 5.415 -2.248 0.000
y -2.248 -3.137 0.000
z 0.000 0.000 -2.278
Polar
3z2-r2-4.556
x2-y25.701
xy-2.248
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.609 0.725 0.000
y 0.725 5.974 0.000
z 0.000 0.000 6.780


<r2> (average value of r2) Å2
<r2> 243.598
(<r2>)1/2 15.608