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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-476.806632
Energy at 298.15K-476.810678
Nuclear repulsion energy272.794290
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 mPW1PW91/6-311G**
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' 3096 2962 13.94      
2 A' 1495 1431 4.17      
3 A' 1462 1398 28.34      
4 A' 1321 1264 167.66      
5 A' 1206 1154 297.01      
6 A' 1136 1087 91.28      
7 A' 858 820 17.43      
8 A' 670 641 33.58      
9 A' 553 529 9.09      
10 A' 413 395 0.74      
11 A' 216 207 3.36      
12 A" 3160 3023 11.95      
13 A" 1328 1270 144.07      
14 A" 1218 1166 96.72      
15 A" 984 942 64.59      
16 A" 535 512 2.37      
17 A" 352 337 1.13      
18 A" 106 101 5.82      

Unscaled Zero Point Vibrational Energy (zpe) 10054.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9619.1 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 mPW1PW91/6-311G**
ABC
0.17881 0.09346 0.09211

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.360 0.190 0.000
C2 -1.151 0.240 0.000
F3 0.837 1.444 0.000
F4 0.837 -0.435 1.078
F5 0.837 -0.435 -1.078
F6 -1.656 -1.031 0.000
H7 -1.482 0.768 0.896
H8 -1.482 0.768 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51171.34181.33451.33452.35652.12822.1282
C21.51172.32392.36042.36041.36801.09101.0910
F31.34182.32392.16612.16613.51272.57642.5764
F41.33452.36042.16612.15692.78092.61873.2745
F51.33452.36042.16612.15692.78093.27452.6187
F62.35651.36803.51272.78092.78092.01702.0170
H72.12821.09102.57642.61873.27452.01701.7919
H82.12821.09102.57643.27452.61872.01701.7919

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.735 C1 C2 H7 108.626
C1 C2 H8 108.626 C2 C1 F3 108.913
C2 C1 F4 111.911 C2 C1 F5 111.911
F3 C1 F4 108.067 F3 C1 F5 108.067
F4 C1 F5 107.831 F6 C2 H7 109.710
F6 C2 H8 109.710 H7 C2 H8 110.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.565      
2 C 0.017      
3 F -0.210      
4 F -0.197      
5 F -0.197      
6 F -0.248      
7 H 0.135      
8 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.277 1.531 0.000 1.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.979 -3.082 0.000
y -3.082 -33.096 0.000
z 0.000 0.000 -31.351
Traceless
 xyz
x 0.244 -3.082 0.000
y -3.082 -1.431 0.000
z 0.000 0.000 1.187
Polar
3z2-r22.374
x2-y21.117
xy-3.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.404 0.018 0.000
y 0.018 3.521 0.000
z 0.000 0.000 3.390


<r2> (average value of r2) Å2
<r2> 132.800
(<r2>)1/2 11.524