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

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-474.180931
Energy at 298.15K-474.184813
Nuclear repulsion energy267.834390
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 B3LYP/3-21G*
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' 3100 2983 11.51      
2 A' 1568 1509 3.29      
3 A' 1477 1421 1.17      
4 A' 1305 1256 166.44      
5 A' 1218 1171 201.60      
6 A' 1100 1058 33.74      
7 A' 823 792 11.59      
8 A' 626 602 27.41      
9 A' 520 500 14.86      
10 A' 389 374 1.07      
11 A' 194 187 3.84      
12 A" 3145 3025 17.61      
13 A" 1381 1328 97.55      
14 A" 1215 1169 64.16      
15 A" 1026 987 46.97      
16 A" 502 483 4.85      
17 A" 328 316 0.81      
18 A" 113 109 5.82      

Unscaled Zero Point Vibrational Energy (zpe) 10014.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 9634.2 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 B3LYP/3-21G*
ABC
0.17005 0.09078 0.08958

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.362 0.188 0.000
C2 -1.144 0.257 0.000
F3 0.842 1.478 0.000
F4 0.842 -0.454 1.109
F5 0.842 -0.454 -1.109
F6 -1.682 -1.046 0.000
H7 -1.456 0.805 0.891
H8 -1.456 0.805 -0.891

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.50781.37621.36831.36832.38772.11682.1168
C21.50782.33162.38352.38351.40931.09161.0916
F31.37622.33162.22702.22703.56942.55512.5551
F41.36832.38352.22702.21792.82022.63003.2966
F51.36832.38352.22702.21792.82023.29662.6300
F62.38771.40933.56942.82022.82022.06662.0666
H72.11681.09162.55512.63003.29662.06661.7812
H82.11681.09162.55513.29662.63002.06661.7812

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 109.826 C1 C2 H7 107.974
C1 C2 H8 107.974 C2 C1 F3 107.806
C2 C1 F4 111.841 C2 C1 F5 111.841
F3 C1 F4 108.480 F3 C1 F5 108.480
F4 C1 F5 108.290 F6 C2 H7 110.815
F6 C2 H8 110.815 H7 C2 H8 109.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.788      
2 C -0.141      
3 F -0.279      
4 F -0.270      
5 F -0.270      
6 F -0.278      
7 H 0.225      
8 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.198 1.561 0.000 1.968
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.978 -3.102 0.000
y -3.102 -32.813 0.000
z 0.000 0.000 -31.257
Traceless
 xyz
x 0.057 -3.102 0.000
y -3.102 -1.196 0.000
z 0.000 0.000 1.139
Polar
3z2-r22.278
x2-y20.835
xy-3.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.738 0.026 0.000
y 0.026 3.091 0.000
z 0.000 0.000 2.941


<r2> (average value of r2) Å2
<r2> 136.330
(<r2>)1/2 11.676