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

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-474.854505
Energy at 298.15K-474.858846
Nuclear repulsion energy276.340370
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/aug-cc-pVTZ
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 2940 18.20      
2 A' 1629 1483 12.13      
3 A' 1595 1452 14.15      
4 A' 1434 1305 184.79      
5 A' 1335 1215 286.17      
6 A' 1225 1115 134.80      
7 A' 924 841 16.40      
8 A' 729 664 42.57      
9 A' 599 546 11.85      
10 A' 448 408 0.75      
11 A' 239 217 3.56      
12 A" 3288 2993 13.87      
13 A" 1448 1318 189.84      
14 A" 1332 1212 73.79      
15 A" 1082 985 57.75      
16 A" 585 533 3.18      
17 A" 382 347 1.40      
18 A" 122 111 6.93      

Unscaled Zero Point Vibrational Energy (zpe) 10811.9 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 9843.1 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/aug-cc-pVTZ
ABC
0.18458 0.09552 0.09405

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.362 0.188 0.000
C2 -1.150 0.236 0.000
F3 0.831 1.419 0.000
F4 0.831 -0.425 1.060
F5 0.831 -0.425 -1.060
F6 -1.639 -1.020 0.000
H7 -1.483 0.755 0.887
H8 -1.483 0.755 -0.887

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51301.31691.31151.31152.33772.12432.1243
C21.51302.30732.34252.34251.34811.08001.0800
F31.31692.30732.12672.12673.47132.56602.5660
F41.31152.34252.12672.12022.75342.60343.2465
F51.31152.34252.12672.12022.75343.24652.6034
F62.33771.34813.47132.75342.75341.98991.9899
H72.12431.08002.56602.60343.24651.98991.7743
H82.12431.08002.56603.24652.60341.98991.7743

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 109.450 C1 C2 H7 108.872
C1 C2 H8 108.872 C2 C1 F3 109.048
C2 C1 F4 111.867 C2 C1 F5 111.867
F3 C1 F4 108.024 F3 C1 F5 108.024
F4 C1 F5 107.867 F6 C2 H7 109.586
F6 C2 H8 109.586 H7 C2 H8 110.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.257      
2 C -0.320      
3 F -0.387      
4 F -0.376      
5 F -0.376      
6 F -0.458      
7 H 0.330      
8 H 0.330      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.416 1.654 0.000 2.177
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.084 -3.346 0.000
y -3.346 -33.678 0.000
z 0.000 0.000 -31.633
Traceless
 xyz
x 0.571 -3.346 0.000
y -3.346 -1.819 0.000
z 0.000 0.000 1.248
Polar
3z2-r22.495
x2-y21.593
xy-3.346
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.044 0.050 0.000
y 0.050 4.034 0.000
z 0.000 0.000 3.876


<r2> (average value of r2) Å2
<r2> 130.456
(<r2>)1/2 11.422