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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-572.754302
Energy at 298.15K-572.757578
HF Energy-572.754302
Nuclear repulsion energy355.816076
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 mPW1PW91/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3174 3014 23.83      
2 A' 1481 1407 10.23      
3 A' 1354 1286 135.82      
4 A' 1247 1184 172.59      
5 A' 1142 1085 65.89      
6 A' 873 829 45.16      
7 A' 697 662 31.22      
8 A' 547 519 21.32      
9 A' 497 472 12.70      
10 A' 350 333 0.07      
11 A' 231 220 5.40      
12 A" 1430 1358 20.71      
13 A" 1297 1232 276.12      
14 A" 1193 1133 46.16      
15 A" 570 542 1.77      
16 A" 397 377 2.16      
17 A" 197 187 3.73      
18 A" 77 73 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 8377.9 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 7955.7 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 mPW1PW91/3-21G*
ABC
0.11744 0.08037 0.06599

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -0.592 0.000
C2 -0.608 0.732 0.000
F3 1.469 -0.430 0.000
F4 -0.240 -1.299 1.106
F5 -0.240 -1.299 -1.106
F6 -0.240 1.437 -1.125
F7 -0.240 1.437 1.125
H8 -1.680 0.552 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51201.35561.36201.36202.34822.34822.1353
C21.51202.37922.34152.34151.37781.37781.0874
F31.35562.37922.21332.21332.76942.76943.2983
F41.36202.34152.21332.21263.53042.73572.5930
F51.36202.34152.21332.21262.73573.53042.5930
F62.34821.37782.76943.53042.73572.25042.0305
F72.34821.37782.76942.73573.53042.25042.0305
H82.13531.08743.29832.59302.59302.03052.0305

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.605 C1 C2 F7 108.605
C1 C2 H8 109.372 C2 C1 F3 112.016
C2 C1 F4 109.006 C2 C1 F5 109.006
F3 C1 F4 109.060 F3 C1 F5 109.060
F4 C1 F5 108.634 F6 C2 F7 109.506
F6 C2 H8 110.355 F7 C2 H8 110.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.807      
2 C 0.321      
3 F -0.270      
4 F -0.278      
5 F -0.278      
6 F -0.278      
7 F -0.278      
8 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.580 -0.121 0.000 1.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.458 -0.756 0.000
y -0.756 -38.361 0.000
z 0.000 0.000 -38.223
Traceless
 xyz
x 4.834 -0.756 0.000
y -0.756 -2.521 0.000
z 0.000 0.000 -2.313
Polar
3z2-r2-4.627
x2-y24.903
xy-0.756
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.798 0.129 0.000
y 0.129 2.629 0.000
z 0.000 0.000 3.015


<r2> (average value of r2) Å2
<r2> 169.154
(<r2>)1/2 13.006