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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-575.880506
Energy at 298.15K-575.883850
HF Energy-575.880506
Nuclear repulsion energy360.257567
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 mPW1PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3147 2984 29.48      
2 A' 1485 1408 0.83      
3 A' 1357 1287 176.63      
4 A' 1245 1181 190.83      
5 A' 1179 1118 116.77      
6 A' 890 844 44.35      
7 A' 732 694 33.10      
8 A' 579 549 14.88      
9 A' 520 493 7.61      
10 A' 361 342 0.03      
11 A' 238 226 3.57      
12 A" 1425 1351 20.51      
13 A" 1282 1216 354.33      
14 A" 1203 1141 98.30      
15 A" 587 556 0.76      
16 A" 415 393 1.09      
17 A" 201 191 2.23      
18 A" 61 58 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 8452.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 8015.1 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 mPW1PW91/6-31G*
ABC
0.12254 0.08108 0.06704

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.600 0.000
C2 -0.601 0.748 0.000
F3 1.440 -0.443 0.000
F4 -0.233 -1.296 1.085
F5 -0.233 -1.296 -1.085
F6 -0.233 1.434 -1.099
F7 -0.233 1.434 1.099
H8 -1.685 0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52831.33011.33591.33592.33842.33842.1712
C21.52832.36362.34252.34251.34681.34681.0929
F31.33012.36362.16872.16872.74412.74413.2973
F41.33592.34252.16872.16933.49542.72982.6280
F51.33592.34252.16872.16932.72983.49542.6280
F62.33841.34682.74413.49542.72982.19712.0000
F72.33841.34682.74412.72983.49542.19712.0000
H82.17121.09293.29732.62802.62802.00002.0000

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.683 C1 C2 F7 108.683
C1 C2 H8 110.755 C2 C1 F3 111.372
C2 C1 F4 109.557 C2 C1 F5 109.557
F3 C1 F4 108.871 F3 C1 F5 108.871
F4 C1 F5 108.561 F6 C2 F7 109.315
F6 C2 H8 109.688 F7 C2 H8 109.688
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.777      
2 C 0.359      
3 F -0.253      
4 F -0.260      
5 F -0.260      
6 F -0.270      
7 F -0.270      
8 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.375 -0.070 0.000 1.377
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.127 -0.729 0.000
y -0.729 -37.312 0.000
z 0.000 0.000 -37.130
Traceless
 xyz
x 4.095 -0.729 0.000
y -0.729 -2.184 0.000
z 0.000 0.000 -1.911
Polar
3z2-r2-3.822
x2-y24.186
xy-0.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.461 0.019 0.000
y 0.019 3.434 0.000
z 0.000 0.000 3.552


<r2> (average value of r2) Å2
<r2> 165.900
(<r2>)1/2 12.880