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

using model chemistry: PBEPBEultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-1196.922999
Energy at 298.15K-1196.926312
HF Energy-1196.922999
Nuclear repulsion energy373.841327
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 PBEPBEultrafine/6-311G*
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 3047 3015 0.49      
2 A 1358 1344 7.46      
3 A 1265 1252 10.49      
4 A 1080 1069 152.97      
5 A 1033 1022 125.15      
6 A 791 783 115.96      
7 A 439 434 3.77      
8 A 304 300 1.35      
9 A 160 159 0.73      
10 A 74 74 0.54      
11 B 3059 3027 17.75      
12 B 1310 1296 8.62      
13 B 1199 1187 33.00      
14 B 1039 1028 29.44      
15 B 774 766 113.53      
16 B 419 414 10.49      
17 B 373 370 7.24      
18 B 316 312 10.59      

Unscaled Zero Point Vibrational Energy (zpe) 9019.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 8926.0 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 PBEPBEultrafine/6-311G*
ABC
0.09606 0.05938 0.03816

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.734 0.404
C2 0.224 -0.734 0.404
H3 -1.318 0.824 0.354
H4 1.318 -0.824 0.354
F5 0.224 1.304 1.568
F6 -0.224 -1.304 1.568
Cl7 0.476 1.616 -0.994
Cl8 -0.476 -1.616 -0.994

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53431.09872.19231.37102.34641.79512.7456
C21.53432.19231.09872.34641.37102.74561.7951
H31.09872.19233.10842.02012.68322.37892.9116
H42.19231.09873.10842.68322.02012.91162.3789
F51.37102.34642.02012.68322.64522.59333.9466
F62.34641.37102.68322.02012.64523.94662.5933
Cl71.79512.74562.37892.91162.59333.94663.3688
Cl82.74561.79512.91162.37893.94662.59333.3688

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 111.668 C1 C2 F6 107.594
C1 C2 Cl8 110.869 C2 C1 H3 111.668
C2 C1 F5 107.594 C2 C1 Cl7 110.869
H3 C1 F5 109.262 H3 C1 Cl7 108.162
H4 C2 F6 109.262 H4 C2 Cl8 108.162
F5 C1 Cl7 109.256 F6 C2 Cl8 109.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 C -0.078      
3 H 0.275      
4 H 0.275      
5 F -0.171      
6 F -0.171      
7 Cl -0.026      
8 Cl -0.026      


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 -0.110 0.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.197 -2.379 0.000
y -2.379 -50.921 0.000
z 0.000 0.000 -50.120
Traceless
 xyz
x 5.323 -2.379 0.000
y -2.379 -3.262 0.000
z 0.000 0.000 -2.061
Polar
3z2-r2-4.122
x2-y25.723
xy-2.379
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.155 0.811 0.000
y 0.811 6.887 0.000
z 0.000 0.000 7.503


<r2> (average value of r2) Å2
<r2> 250.351
(<r2>)1/2 15.822