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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-476.700691
Energy at 298.15K-476.704508
HF Energy-476.700691
Nuclear repulsion energy268.001219
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 BLYP/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' 2989 2965 20.32      
2 A' 1489 1477 2.49      
3 A' 1419 1408 3.53      
4 A' 1251 1241 151.64      
5 A' 1135 1126 250.75      
6 A' 1069 1060 71.03      
7 A' 804 798 15.82      
8 A' 628 623 25.02      
9 A' 517 512 6.67      
10 A' 388 385 0.51      
11 A' 205 203 2.53      
12 A" 3040 3015 25.77      
13 A" 1282 1271 89.93      
14 A" 1172 1162 81.02      
15 A" 956 949 76.20      
16 A" 500 496 1.14      
17 A" 335 333 1.00      
18 A" 103 102 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 9640.4 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 9562.3 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 BLYP/6-31G*
ABC
0.17186 0.09042 0.08920

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.374 0.198 0.000
C2 -1.165 0.233 0.000
F3 0.844 1.477 0.000
F4 0.844 -0.439 1.099
F5 0.844 -0.439 -1.099
F6 -1.671 -1.058 0.000
H7 -1.505 0.773 0.900
H8 -1.505 0.773 -0.900

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.53921.36261.35501.35502.40002.16092.1609
C21.53922.36272.38672.38671.38711.10301.1030
F31.36262.36272.20942.20943.57112.61192.6119
F41.35502.38672.20942.19882.81352.65063.3141
F51.35502.38672.20942.19882.81353.31412.6506
F62.40001.38713.57112.81352.81352.04722.0472
H72.16091.10302.61192.65063.31412.04721.7998
H82.16091.10302.61193.31412.65062.04721.7998

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 110.087 C1 C2 H7 108.615
C1 C2 H8 108.615 C2 C1 F3 108.874
C2 C1 F4 110.946 C2 C1 F5 110.946
F3 C1 F4 108.782 F3 C1 F5 108.782
F4 C1 F5 108.461 F6 C2 H7 110.074
F6 C2 H8 110.074 H7 C2 H8 109.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.695      
2 C -0.032      
3 F -0.239      
4 F -0.229      
5 F -0.229      
6 F -0.263      
7 H 0.149      
8 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.062 1.311 0.000 1.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.471 -2.634 0.000
y -2.634 -32.264 0.000
z 0.000 0.000 -30.886
Traceless
 xyz
x 0.105 -2.634 0.000
y -2.634 -1.086 0.000
z 0.000 0.000 0.981
Polar
3z2-r21.963
x2-y20.794
xy-2.634
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.648 0.021 0.000
y 0.021 3.726 0.000
z 0.000 0.000 3.621


<r2> (average value of r2) Å2
<r2> 136.292
(<r2>)1/2 11.674