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

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-1196.893911
Energy at 298.15K-1196.897371
HF Energy-1196.893911
Nuclear repulsion energy377.459413
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 PBE1PBE/6-31G(2df,p)
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 3122 2988 0.00      
2 Ag 1410 1350 0.00      
3 Ag 1306 1250 0.00      
4 Ag 1167 1117 0.00      
5 Ag 1100 1053 0.00      
6 Ag 828 792 0.00      
7 Ag 527 504 0.00      
8 Ag 376 360 0.00      
9 Ag 269 258 0.00      
10 Au 3135 3000 11.23      
11 Au 1331 1274 21.33      
12 Au 1224 1171 33.26      
13 Au 1188 1137 232.23      
14 Au 781 748 224.60      
15 Au 404 387 2.13      
16 Au 364 349 24.51      
17 Au 169 162 1.02      
18 Au 73 70 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9387.4 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 8983.7 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 PBE1PBE/6-31G(2df,p)
ABC
0.13582 0.04951 0.03748

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.762
C2 0.000 0.000 0.762
H3 1.020 0.000 -1.154
H4 -1.020 0.000 1.154
F5 -0.677 -1.066 -1.209
F6 0.677 1.066 1.209
Cl7 -0.791 1.486 -1.332
Cl8 0.791 -1.486 1.332

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52441.09322.17121.33932.34091.77732.6872
C21.52442.17121.09322.34091.33932.68721.7773
H31.09322.17123.08132.00502.61522.34982.9058
H42.17121.09323.08132.61522.00502.90582.3498
F51.33932.34092.00502.61523.49622.55732.9647
F62.34091.33932.61522.00503.49622.96472.5573
Cl71.77732.68722.34982.90582.55732.96474.2936
Cl82.68721.77732.90582.34982.96472.55734.2936

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 111.016 C1 C2 F6 109.486
C1 C2 Cl8 108.710 C2 C1 H3 111.016
C2 C1 F5 109.486 C2 C1 Cl7 108.710
H3 C1 F5 110.616 H3 C1 Cl7 107.488
H4 C2 F6 110.616 H4 C2 Cl8 107.488
F5 C1 Cl7 109.474 F6 C2 Cl8 109.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.048      
2 C 0.048      
3 H 0.184      
4 H 0.184      
5 F -0.104      
6 F -0.104      
7 Cl -0.127      
8 Cl -0.127      


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 -45.711 -0.472 -3.306
y -0.472 -48.876 0.016
z -3.306 0.016 -47.367
Traceless
 xyz
x 2.410 -0.472 -3.306
y -0.472 -2.337 0.016
z -3.306 0.016 -0.073
Polar
3z2-r2-0.146
x2-y23.165
xy-0.472
xz-3.306
yz0.016


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.113 -1.258 0.869
y -1.258 8.225 -1.554
z 0.869 -1.554 6.790


<r2> (average value of r2) Å2
<r2> 252.978
(<r2>)1/2 15.905