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

using model chemistry: mPW1PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-469.979628
Energy at 298.15K-469.982913
Nuclear repulsion energy260.652014
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/STO-3G
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' 3279 2882 6.06      
2 A' 1645 1446 0.72      
3 A' 1489 1308 7.00      
4 A' 1323 1162 106.95      
5 A' 1232 1083 10.19      
6 A' 1209 1062 93.30      
7 A' 823 724 0.19      
8 A' 609 535 16.37      
9 A' 487 428 6.40      
10 A' 364 320 1.04      
11 A' 181 159 0.74      
12 A" 3385 2975 4.63      
13 A" 1405 1235 95.12      
14 A" 1266 1113 17.66      
15 A" 994 873 8.28      
16 A" 474 417 2.61      
17 A" 303 266 0.40      
18 A" 32 28 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 10249.1 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 9007.9 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/STO-3G
ABC
0.16400 0.08433 0.08336

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.394 0.203 0.000
C2 -1.223 0.224 0.000
F3 0.882 1.511 0.000
F4 0.882 -0.451 1.131
F5 0.882 -0.451 -1.131
F6 -1.750 -1.070 0.000
H7 -1.549 0.792 0.902
H8 -1.549 0.792 -0.902

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.61761.39651.39461.39462.49332.22132.2213
C21.61762.46812.48352.48351.39691.11461.1146
F31.39652.46812.26492.26493.68662.69082.6908
F41.39462.48352.26492.26182.93072.73963.4039
F51.39462.48352.26492.26182.93073.40392.7396
F62.49331.39693.68662.93072.93072.07882.0788
H72.22131.11462.69082.73963.40392.07881.8043
H82.22131.11462.69083.40392.73962.07881.8043

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 111.395 C1 C2 H7 107.354
C1 C2 H8 107.354 C2 C1 F3 109.722
C2 C1 F4 110.857 C2 C1 F5 110.857
F3 C1 F4 108.481 F3 C1 F5 108.481
F4 C1 F5 108.372 F6 C2 H7 111.233
F6 C2 H8 111.233 H7 C2 H8 108.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.287      
2 C -0.064      
3 F -0.103      
4 F -0.100      
5 F -0.100      
6 F -0.092      
7 H 0.086      
8 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.701 0.823 0.000 1.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.054 -1.695 0.000
y -1.695 -28.739 0.000
z 0.000 0.000 -27.831
Traceless
 xyz
x 0.231 -1.695 0.000
y -1.695 -0.796 0.000
z 0.000 0.000 0.565
Polar
3z2-r21.130
x2-y20.685
xy-1.695
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.059 0.125 0.000
y 0.125 2.243 0.000
z 0.000 0.000 1.994


<r2> (average value of r2) Å2
<r2> 141.870
(<r2>)1/2 11.911