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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-1191.551272
Energy at 298.15K-1191.554415
HF Energy-1191.551272
Nuclear repulsion energy366.358843
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/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 3177 3066 0.78      
2 A 1416 1366 4.20      
3 A 1279 1235 15.30      
4 A 1137 1097 164.38      
5 A 1047 1010 44.79      
6 A 739 713 79.61      
7 A 396 382 8.74      
8 A 276 266 0.84      
9 A 152 147 1.73      
10 A 74 71 0.83      
11 B 3191 3079 3.64      
12 B 1348 1300 1.38      
13 B 1224 1181 32.90      
14 B 1100 1061 8.11      
15 B 712 687 116.18      
16 B 395 381 18.58      
17 B 342 330 13.56      
18 B 307 296 9.50      

Unscaled Zero Point Vibrational Energy (zpe) 9155.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 8833.9 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/3-21G
ABC
0.08942 0.05851 0.03691

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.228 0.725 0.451
C2 0.228 -0.725 0.451
H3 -1.304 0.827 0.335
H4 1.304 -0.827 0.335
F5 0.228 1.327 1.613
F6 -0.228 -1.327 1.613
Cl7 0.554 1.600 -1.033
Cl8 -0.554 -1.600 -1.033

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51941.08662.18351.38642.35801.89222.7769
C21.51942.18351.08662.35801.38642.77691.8922
H31.08662.18353.08772.05722.72572.43342.8846
H42.18351.08663.08772.72572.05722.88462.4334
F51.38642.35802.05722.72572.69362.67964.0226
F62.35801.38642.72572.05722.69364.02262.6796
Cl71.89222.77692.43342.88462.67964.02263.3867
Cl82.77691.89222.88462.43344.02262.67963.3867

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 112.780 C1 C2 F6 108.397
C1 C2 Cl8 108.476 C2 C1 H3 112.780
C2 C1 F5 108.397 C2 C1 Cl7 108.476
H3 C1 F5 112.015 H3 C1 Cl7 106.389
H4 C2 F6 112.015 H4 C2 Cl8 106.389
F5 C1 Cl7 108.647 F6 C2 Cl8 108.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.056      
2 C -0.056      
3 H 0.288      
4 H 0.288      
5 F -0.241      
6 F -0.241      
7 Cl 0.009      
8 Cl 0.009      


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 0.716 0.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.881 -3.415 0.000
y -3.415 -51.849 0.000
z 0.000 0.000 -51.089
Traceless
 xyz
x 6.588 -3.415 0.000
y -3.415 -3.864 0.000
z 0.000 0.000 -2.724
Polar
3z2-r2-5.448
x2-y26.968
xy-3.415
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.198 1.098 0.000
y 1.098 5.523 0.000
z 0.000 0.000 6.885


<r2> (average value of r2) Å2
<r2> 258.363
(<r2>)1/2 16.074