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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-89.101276
Energy at 298.15K-89.104851
HF Energy-89.101276
Nuclear repulsion energy134.214227
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 HF/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3356 3062 0.00      
2 Ag 1526 1392 0.00      
3 Ag 1420 1295 0.00      
4 Ag 1225 1118 0.00      
5 Ag 1116 1019 0.00      
6 Ag 864 788 0.00      
7 Ag 528 482 0.00      
8 Ag 383 349 0.00      
9 Ag 276 252 0.00      
10 Au 3365 3070 5.57      
11 Au 1415 1291 25.85      
12 Au 1356 1238 45.14      
13 Au 1150 1049 288.98      
14 Au 799 729 221.28      
15 Au 404 369 10.95      
16 Au 385 351 54.15      
17 Au 176 161 2.62      
18 Au 70 64 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 9906.4 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 9039.6 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 HF/CEP-121G
ABC
0.13101 0.04658 0.03548

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.765
C2 0.000 0.000 0.765
H3 0.990 0.000 -1.183
H4 -0.990 0.000 1.183
F5 -0.684 -1.135 -1.199
F6 0.684 1.135 1.199
Cl7 -0.887 1.466 -1.401
Cl8 0.887 -1.466 1.401

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52931.07492.18521.39482.36921.82812.7617
C21.52932.18521.07492.36921.39482.76171.8281
H31.07492.18523.08582.02292.65682.39182.9732
H42.18521.07493.08582.65682.02292.97322.3918
F51.39482.36922.02292.65683.57472.61703.0561
F62.36921.39482.65682.02293.57473.05612.6170
Cl71.82812.76172.39182.97322.61703.05614.4271
Cl82.76171.82812.97322.39183.05612.61704.4271

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 112.929 C1 C2 F6 108.152
C1 C2 Cl8 110.373 C2 C1 H3 112.929
C2 C1 F5 108.152 C2 C1 Cl7 110.373
H3 C1 F5 109.300 H3 C1 Cl7 108.135
H4 C2 F6 109.300 H4 C2 Cl8 108.135
F5 C1 Cl7 107.830 F6 C2 Cl8 107.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 C -0.007      
3 H 0.234      
4 H 0.234      
5 F -0.275      
6 F -0.275      
7 Cl 0.048      
8 Cl 0.048      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.705 -1.156 -5.787
y -1.156 -52.414 -1.323
z -5.787 -1.323 -48.995
Traceless
 xyz
x 4.000 -1.156 -5.787
y -1.156 -4.564 -1.323
z -5.787 -1.323 0.564
Polar
3z2-r21.129
x2-y25.709
xy-1.156
xz-5.787
yz-1.323


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.929 -1.785 1.119
y -1.785 7.652 -1.784
z 1.119 -1.784 5.237


<r2> (average value of r2) Å2
<r2> 153.596
(<r2>)1/2 12.393