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

using model chemistry: mPW1PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-476.692057
Energy at 298.15K-476.696097
Nuclear repulsion energy273.886170
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(2df,p)
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' 3082 2942 15.75      
2 A' 1501 1433 3.60      
3 A' 1462 1396 21.06      
4 A' 1324 1264 153.46      
5 A' 1235 1179 243.13      
6 A' 1162 1109 67.71      
7 A' 866 827 10.93      
8 A' 674 644 28.59      
9 A' 556 531 7.76      
10 A' 414 395 0.59      
11 A' 212 202 2.49      
12 A" 3145 3003 15.61      
13 A" 1337 1277 139.95      
14 A" 1229 1173 61.13      
15 A" 994 949 44.39      
16 A" 537 513 1.97      
17 A" 349 333 1.00      
18 A" 104 100 4.31      

Unscaled Zero Point Vibrational Energy (zpe) 10090.9 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 9633.8 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(2df,p)
ABC
0.18023 0.09436 0.09303

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.361 0.194 0.000
C2 -1.154 0.233 0.000
F3 0.831 1.442 0.000
F4 0.831 -0.430 1.075
F5 0.831 -0.430 -1.075
F6 -1.634 -1.037 0.000
H7 -1.491 0.765 0.895
H8 -1.491 0.765 -0.895

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51631.33381.32831.32832.34452.13492.1349
C21.51632.32482.35312.35311.35801.09361.0936
F31.33382.32482.15832.15833.49642.57942.5794
F41.32832.35312.15832.14912.75702.61773.2707
F51.32832.35312.15832.14912.75703.27072.6177
F62.34451.35803.49642.75702.75702.01682.0168
H72.13491.09362.57942.61773.27072.01681.7890
H82.13491.09362.57943.27072.61772.01681.7890

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 109.184 C1 C2 H7 108.689
C1 C2 H8 108.689 C2 C1 F3 109.144
C2 C1 F4 111.462 C2 C1 F5 111.462
F3 C1 F4 108.339 F3 C1 F5 108.339
F4 C1 F5 107.995 F6 C2 H7 110.238
F6 C2 H8 110.238 H7 C2 H8 109.765
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.301      
2 C -0.195      
3 F -0.095      
4 F -0.091      
5 F -0.091      
6 F -0.145      
7 H 0.158      
8 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.123 1.337 0.000 1.746
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.035 -2.656 0.000
y -2.656 -32.210 0.000
z 0.000 0.000 -30.646
Traceless
 xyz
x 0.393 -2.656 0.000
y -2.656 -1.369 0.000
z 0.000 0.000 0.977
Polar
3z2-r21.953
x2-y21.175
xy-2.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.902 0.016 0.000
y 0.016 3.870 0.000
z 0.000 0.000 3.788


<r2> (average value of r2) Å2
<r2> 131.289
(<r2>)1/2 11.458