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

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-1196.884553
Energy at 298.15K-1196.887807
HF Energy-1196.884553
Nuclear repulsion energy371.368751
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 PBEPBE/aug-cc-pVDZ
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 3046 3028 0.00      
2 Ag 1319 1311 0.00      
3 Ag 1226 1219 0.00      
4 Ag 1072 1066 0.00      
5 Ag 1012 1006 0.00      
6 Ag 774 770 0.00      
7 Ag 493 490 0.00      
8 Ag 352 350 0.00      
9 Ag 256 255 0.00      
10 Au 3058 3039 7.46      
11 Au 1240 1232 6.08      
12 Au 1156 1149 28.79      
13 Au 1047 1041 243.86      
14 Au 731 727 233.99      
15 Au 379 377 1.67      
16 Au 354 352 24.09      
17 Au 163 162 0.57      
18 Au 67 67 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 8872.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 8818.6 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 PBEPBE/aug-cc-pVDZ
ABC
0.13090 0.04809 0.03634

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.767
C2 0.000 0.000 0.767
H3 1.024 0.000 -1.183
H4 -1.024 0.000 1.183
F5 -0.679 -1.113 -1.218
F6 0.679 1.113 1.218
Cl7 -0.840 1.475 -1.364
Cl8 0.840 -1.475 1.364

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53461.10462.20241.37942.37501.79932.7247
C21.53462.20241.10462.37501.37942.72471.7993
H31.10462.20243.12832.03422.66852.38352.9489
H42.20241.10463.12832.66852.03422.94892.3835
F51.37942.37502.03422.66853.56812.59753.0170
F62.37501.37942.66852.03423.56813.01702.5975
Cl71.79932.72472.38352.94892.59753.01704.3552
Cl82.72471.79932.94892.38353.01702.59754.3552

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 112.092 C1 C2 F6 109.064
C1 C2 Cl8 109.364 C2 C1 H3 112.092
C2 C1 F5 109.064 C2 C1 Cl7 109.364
H3 C1 F5 109.456 H3 C1 Cl7 107.921
H4 C2 F6 109.456 H4 C2 Cl8 107.921
F5 C1 Cl7 108.889 F6 C2 Cl8 108.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.573      
2 C 0.573      
3 H -0.135      
4 H -0.135      
5 F -0.374      
6 F -0.374      
7 Cl -0.064      
8 Cl -0.064      


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 -47.034 -1.067 -3.473
y -1.067 -50.167 -0.889
z -3.473 -0.889 -48.564
Traceless
 xyz
x 2.331 -1.067 -3.473
y -1.067 -2.368 -0.889
z -3.473 -0.889 0.036
Polar
3z2-r20.072
x2-y23.133
xy-1.067
xz-3.473
yz-0.889


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.865 -1.211 1.069
y -1.211 10.092 -1.583
z 1.069 -1.583 8.753


<r2> (average value of r2) Å2
<r2> 260.821
(<r2>)1/2 16.150