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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-1197.265206
Energy at 298.15K-1197.268632
HF Energy-1197.265206
Nuclear repulsion energy375.021699
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 B3PW91/6-31G*
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 3146 3010 0.00      
2 Ag 1422 1361 0.00      
3 Ag 1337 1279 0.00      
4 Ag 1148 1098 0.00      
5 Ag 1096 1049 0.00      
6 Ag 826 790 0.00      
7 Ag 520 497 0.00      
8 Ag 372 356 0.00      
9 Ag 269 257 0.00      
10 Au 3158 3021 15.52      
11 Au 1345 1287 30.44      
12 Au 1253 1199 38.97      
13 Au 1164 1114 247.93      
14 Au 769 736 238.84      
15 Au 400 383 2.41      
16 Au 369 353 29.59      
17 Au 171 163 1.45      
18 Au 75 72 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9419.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9011.5 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 B3PW91/6-31G*
ABC
0.13427 0.04882 0.03698

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.764
C2 0.000 0.000 0.764
H3 1.019 0.000 -1.159
H4 -1.019 0.000 1.159
F5 -0.675 -1.086 -1.209
F6 0.675 1.086 1.209
Cl7 -0.810 1.480 -1.352
Cl8 0.810 -1.480 1.352

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52861.09232.17611.35402.35121.78662.7064
C21.52862.17611.09232.35121.35402.70641.7866
H31.09232.17613.08552.01272.62722.36062.9216
H42.17611.09233.08552.62722.01272.92162.3606
F51.35402.35122.01272.62723.51942.57392.9860
F62.35121.35402.62722.01273.51942.98602.5739
Cl71.78662.70642.36062.92162.57392.98604.3239
Cl82.70641.78662.92162.36062.98602.57394.3239

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 111.167 C1 C2 F6 109.154
C1 C2 Cl8 109.196 C2 C1 H3 111.167
C2 C1 F5 109.154 C2 C1 Cl7 109.196
H3 C1 F5 110.269 H3 C1 Cl7 107.711
H4 C2 F6 110.269 H4 C2 Cl8 107.711
F5 C1 Cl7 109.309 F6 C2 Cl8 109.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C 0.025      
3 H 0.235      
4 H 0.235      
5 F -0.247      
6 F -0.247      
7 Cl -0.013      
8 Cl -0.013      


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 -45.886 -0.376 -3.503
y -0.376 -49.131 -0.058
z -3.503 -0.058 -47.754
Traceless
 xyz
x 2.556 -0.376 -3.503
y -0.376 -2.311 -0.058
z -3.503 -0.058 -0.246
Polar
3z2-r2-0.491
x2-y23.244
xy-0.376
xz-3.503
yz-0.058


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.320 -1.449 0.914
y -1.449 7.627 -1.669
z 0.914 -1.669 5.874


<r2> (average value of r2) Å2
<r2> 256.148
(<r2>)1/2 16.005