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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-1191.689401
Energy at 298.15K-1191.692422
HF Energy-1191.689401
Nuclear repulsion energy365.745897
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 BLYP/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 3058 3039 0.00      
2 Ag 1372 1363 0.00      
3 Ag 1278 1270 0.00      
4 Ag 1061 1054 0.00      
5 Ag 989 983 0.00      
6 Ag 716 711 0.00      
7 Ag 467 464 0.00      
8 Ag 321 319 0.00      
9 Ag 249 247 0.00      
10 Au 3074 3054 14.38      
11 Au 1292 1284 13.26      
12 Au 1225 1218 35.12      
13 Au 1088 1081 156.31      
14 Au 654 650 249.78      
15 Au 345 342 5.29      
16 Au 332 329 27.48      
17 Au 154 153 2.57      
18 Au 58 57 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 8865.7 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 8808.1 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 BLYP/3-21G*
ABC
0.12602 0.04694 0.03532

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.770
C2 0.000 0.000 0.770
H3 1.023 0.000 -1.164
H4 -1.023 0.000 1.164
F5 -0.752 -1.083 -1.237
F6 0.752 1.083 1.237
Cl7 -0.769 1.589 -1.332
Cl8 0.769 -1.589 1.332

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53961.09622.18751.39862.40101.85232.7443
C21.53962.18751.09622.40101.39862.74431.8523
H31.09622.18753.09892.08042.64752.40072.9690
H42.18751.09623.09892.64752.08042.96902.4007
F51.39862.40102.08042.64753.61552.67333.0277
F62.40101.39862.64752.08043.61553.02772.6733
Cl71.85232.74432.40072.96902.67333.02774.4220
Cl82.74431.85232.96902.40073.02772.67334.4220

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 111.064 C1 C2 F6 109.510
C1 C2 Cl8 107.653 C2 C1 H3 111.064
C2 C1 F5 109.510 C2 C1 Cl7 107.653
H3 C1 F5 112.440 H3 C1 Cl7 106.169
H4 C2 F6 112.440 H4 C2 Cl8 106.169
F5 C1 Cl7 109.846 F6 C2 Cl8 109.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.020      
2 C -0.020      
3 H 0.258      
4 H 0.258      
5 F -0.215      
6 F -0.215      
7 Cl -0.023      
8 Cl -0.023      


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 -46.603 -0.201 -3.697
y -0.201 -50.040 0.381
z -3.697 0.381 -48.490
Traceless
 xyz
x 2.663 -0.201 -3.697
y -0.201 -2.494 0.381
z -3.697 0.381 -0.169
Polar
3z2-r2-0.338
x2-y23.438
xy-0.201
xz-3.697
yz0.381


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.960 -1.478 0.977
y -1.478 8.228 -1.934
z 0.977 -1.934 5.611


<r2> (average value of r2) Å2
<r2> 267.165
(<r2>)1/2 16.345