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

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-474.618622
Energy at 298.15K-474.622685
Nuclear repulsion energy268.525405
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 HF/SDD
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' 3336 3003 13.27      
2 A' 1647 1483 10.23      
3 A' 1561 1405 4.39      
4 A' 1407 1266 133.69      
5 A' 1237 1114 295.94      
6 A' 1138 1024 96.68      
7 A' 859 774 36.20      
8 A' 667 600 52.04      
9 A' 545 491 22.85      
10 A' 414 373 2.43      
11 A' 227 205 6.68      
12 A" 3412 3073 5.86      
13 A" 1419 1277 130.46      
14 A" 1268 1142 83.52      
15 A" 1064 958 93.67      
16 A" 528 476 7.94      
17 A" 357 322 2.26      
18 A" 105 95 13.75      

Unscaled Zero Point Vibrational Energy (zpe) 10595.2 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 9539.9 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 HF/SDD
ABC
0.17252 0.09088 0.08968

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.349 0.191 0.000
C2 -1.164 0.256 0.000
F3 0.849 1.470 0.000
F4 0.849 -0.441 1.101
F5 0.849 -0.441 -1.101
F6 -1.669 -1.055 0.000
H7 -1.503 0.758 0.889
H8 -1.503 0.758 -0.889

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51391.37311.36381.36382.37122.13102.1310
C21.51392.35012.39712.39711.40491.07591.0759
F31.37312.35012.20482.20483.56542.61282.6128
F41.36382.39712.20482.20122.81522.64813.3054
F51.36382.39712.20482.20122.81523.30542.6481
F62.37121.40493.56542.81522.81522.02632.0263
H72.13101.07592.61282.64813.30542.02631.7777
H82.13101.07592.61283.30542.64812.02631.7777

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 108.596 C1 C2 H7 109.582
C1 C2 H8 109.582 C2 C1 F3 108.882
C2 C1 F4 112.709 C2 C1 F5 112.709
F3 C1 F4 107.330 F3 C1 F5 107.330
F4 C1 F5 107.611 F6 C2 H7 108.804
F6 C2 H8 108.804 H7 C2 H8 111.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.828      
2 C -0.048      
3 F -0.305      
4 F -0.289      
5 F -0.289      
6 F -0.347      
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
  -2.096 2.330 0.000 3.134
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.773 -4.866 0.000
y -4.866 -36.112 0.000
z 0.000 0.000 -33.247
Traceless
 xyz
x 0.906 -4.866 0.000
y -4.866 -2.602 0.000
z 0.000 0.000 1.696
Polar
3z2-r23.392
x2-y22.339
xy-4.866
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.757 0.100 0.000
y 0.100 3.197 0.000
z 0.000 0.000 2.937


<r2> (average value of r2) Å2
<r2> 137.451
(<r2>)1/2 11.724