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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-1191.686441
Energy at 298.15K-1191.689512
HF Energy-1191.686441
Nuclear repulsion energy367.481737
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 BLYP/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 3054 3035 1.16      
2 A 1367 1358 1.03      
3 A 1265 1256 19.74      
4 A 1053 1047 145.82      
5 A 989 983 24.06      
6 A 730 726 94.57      
7 A 397 395 8.91      
8 A 276 274 1.16      
9 A 153 152 1.30      
10 A 71 71 0.48      
11 B 3069 3049 14.14      
12 B 1309 1301 1.70      
13 B 1219 1211 25.97      
14 B 1027 1020 11.76      
15 B 691 687 114.61      
16 B 383 380 10.05      
17 B 343 340 16.74      
18 B 310 308 6.51      

Unscaled Zero Point Vibrational Energy (zpe) 8853.6 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 8796.1 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 BLYP/3-21G*
ABC
0.09107 0.05855 0.03702

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.238 0.735 0.424
C2 0.238 -0.735 0.424
H3 -1.331 0.798 0.357
H4 1.331 -0.798 0.357
F5 0.238 1.328 1.610
F6 -0.238 -1.328 1.610
Cl7 0.461 1.625 -1.023
Cl8 -0.461 -1.625 -1.023

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.54481.09662.19521.40902.37901.83762.7773
C21.54482.19521.09662.37901.40902.77731.8376
H31.09662.19523.10452.07722.69922.40802.9215
H42.19521.09663.10452.69922.07722.92152.4080
F51.40902.37902.07722.69922.69782.65924.0177
F62.37901.40902.69922.07722.69784.01772.6592
Cl71.83762.77732.40802.92152.65924.01773.3787
Cl82.77731.83762.92152.40804.01772.65923.3787

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 111.279 C1 C2 F6 107.207
C1 C2 Cl8 110.089 C2 C1 H3 111.279
C2 C1 F5 107.207 C2 C1 Cl7 110.089
H3 C1 F5 111.388 H3 C1 Cl7 107.604
H4 C2 F6 111.388 H4 C2 Cl8 107.604
F5 C1 Cl7 109.273 F6 C2 Cl8 109.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C -0.021      
3 H 0.256      
4 H 0.256      
5 F -0.218      
6 F -0.218      
7 Cl -0.016      
8 Cl -0.016      


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 0.237 0.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.522 -2.468 0.000
y -2.468 -50.450 0.000
z 0.000 0.000 -49.730
Traceless
 xyz
x 5.569 -2.468 0.000
y -2.468 -3.324 0.000
z 0.000 0.000 -2.244
Polar
3z2-r2-4.489
x2-y25.929
xy-2.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.631 0.863 0.000
y 0.863 6.307 0.000
z 0.000 0.000 7.107


<r2> (average value of r2) Å2
<r2> 256.548
(<r2>)1/2 16.017