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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-1191.015994
Energy at 298.15K-1191.019202
HF Energy-1191.015994
Nuclear repulsion energy367.458134
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 HSEh1PBE/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 Ag 3198 3081 0.00      
2 Ag 1433 1380 0.00      
3 Ag 1297 1249 0.00      
4 Ag 1163 1120 0.00      
5 Ag 1075 1036 0.00      
6 Ag 746 719 0.00      
7 Ag 492 474 0.00      
8 Ag 336 324 0.00      
9 Ag 257 247 0.00      
10 Au 3213 3096 2.90      
11 Au 1332 1283 16.12      
12 Au 1246 1200 36.73      
13 Au 1181 1138 183.00      
14 Au 699 673 234.66      
15 Au 356 343 11.85      
16 Au 336 323 30.95      
17 Au 159 153 3.31      
18 Au 69 67 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 9294.0 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 8952.9 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 HSEh1PBE/3-21G
ABC
0.12930 0.04695 0.03557

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.753
C2 0.000 0.000 0.753
H3 1.007 0.000 -1.164
H4 -1.007 0.000 1.164
F5 -0.776 -1.029 -1.227
F6 0.776 1.029 1.227
Cl7 -0.759 1.638 -1.282
Cl8 0.759 -1.638 1.282

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.50551.08722.16471.37322.36231.88162.7206
C21.50552.16471.08722.36231.37322.72061.8816
H31.08722.16473.07712.05892.61312.41162.9542
H42.16471.08723.07712.61312.05892.95422.4116
F51.37322.36232.05892.61313.55892.66793.0040
F62.36231.37322.61312.05893.55893.00402.6679
Cl71.88162.72062.41162.95422.66793.00404.4292
Cl82.72061.88162.95422.41163.00402.66794.4292

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 112.207 C1 C2 F6 110.208
C1 C2 Cl8 106.347 C2 C1 H3 112.207
C2 C1 F5 110.208 C2 C1 Cl7 106.347
H3 C1 F5 113.100 H3 C1 Cl7 105.500
H4 C2 F6 113.100 H4 C2 Cl8 105.500
F5 C1 Cl7 109.107 F6 C2 Cl8 109.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 C -0.096      
3 H 0.315      
4 H 0.315      
5 F -0.244      
6 F -0.244      
7 Cl 0.025      
8 Cl 0.025      


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 -47.249 0.363 -4.584
y 0.363 -52.073 1.231
z -4.584 1.231 -49.227
Traceless
 xyz
x 3.401 0.363 -4.584
y 0.363 -3.835 1.231
z -4.584 1.231 0.433
Polar
3z2-r20.867
x2-y24.824
xy0.363
xz-4.584
yz1.231


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.318 -1.740 0.963
y -1.740 8.142 -2.027
z 0.963 -2.027 4.765


<r2> (average value of r2) Å2
<r2> 266.207
(<r2>)1/2 16.316