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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-474.686382
Energy at 298.15K-474.690695
Nuclear repulsion energy276.973464
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/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' 3230 2925 17.87      
2 A' 1632 1478 10.93      
3 A' 1604 1452 18.49      
4 A' 1444 1308 187.02      
5 A' 1357 1229 264.05      
6 A' 1239 1122 108.39      
7 A' 929 841 14.14      
8 A' 729 660 39.65      
9 A' 600 543 11.72      
10 A' 448 405 0.72      
11 A' 233 211 3.41      
12 A" 3291 2980 22.34      
13 A" 1458 1320 187.80      
14 A" 1339 1212 48.01      
15 A" 1086 983 50.93      
16 A" 584 529 3.67      
17 A" 379 343 1.05      
18 A" 119 108 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 10849.1 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 9823.8 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 HF/6-31G(2df,p)
ABC
0.18524 0.09620 0.09477

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.360 0.192 0.000
C2 -1.151 0.232 0.000
F3 0.826 1.421 0.000
F4 0.826 -0.421 1.059
F5 0.826 -0.421 -1.059
F6 -1.619 -1.029 0.000
H7 -1.489 0.751 0.887
H8 -1.489 0.751 -0.887

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51151.31401.30921.30922.32602.12552.1255
C21.51152.30692.33542.33541.34491.08231.0823
F31.31402.30692.12462.12463.46152.56772.5677
F41.30922.33542.12462.11772.73322.60013.2432
F51.30922.33542.12462.11772.73323.24322.6001
F62.32601.34493.46152.73322.73321.99341.9934
H72.12551.08232.56772.60013.24321.99341.7744
H82.12551.08232.56773.24322.60011.99341.7744

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 108.905 C1 C2 H7 108.941
C1 C2 H8 108.941 C2 C1 F3 109.270
C2 C1 F4 111.577 C2 C1 F5 111.577
F3 C1 F4 108.176 F3 C1 F5 108.176
F4 C1 F5 107.947 F6 C2 H7 109.953
F6 C2 H8 109.953 H7 C2 H8 110.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.615      
2 C -0.058      
3 F -0.207      
4 F -0.202      
5 F -0.202      
6 F -0.260      
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
  -1.268 1.538 0.000 1.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.360 -3.032 0.000
y -3.032 -32.748 0.000
z 0.000 0.000 -30.963
Traceless
 xyz
x 0.496 -3.032 0.000
y -3.032 -1.587 0.000
z 0.000 0.000 1.091
Polar
3z2-r22.182
x2-y21.388
xy-3.032
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.556 0.005 0.000
y 0.005 3.542 0.000
z 0.000 0.000 3.507


<r2> (average value of r2) Å2
<r2> 129.289
(<r2>)1/2 11.371