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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-476.334335
Energy at 298.15K-476.338171
Nuclear repulsion energy269.091199
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 PBEPBE/cc-pVDZ
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' 2981 2964 17.03      
2 A' 1409 1400 2.77      
3 A' 1379 1371 23.54      
4 A' 1253 1246 157.56      
5 A' 1138 1131 278.61      
6 A' 1082 1076 68.95      
7 A' 812 807 16.29      
8 A' 633 629 26.44      
9 A' 523 520 6.78      
10 A' 391 389 0.55      
11 A' 202 200 2.64      
12 A" 3042 3025 17.38      
13 A" 1258 1250 127.13      
14 A" 1150 1143 85.76      
15 A" 932 926 60.48      
16 A" 505 502 1.39      
17 A" 332 330 0.86      
18 A" 95 94 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 9557.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 9501.8 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 PBEPBE/cc-pVDZ
ABC
0.17357 0.09104 0.08971

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.363 0.189 0.000
C2 -1.160 0.243 0.000
F3 0.849 1.463 0.000
F4 0.849 -0.445 1.095
F5 0.849 -0.445 -1.095
F6 -1.683 -1.037 0.000
H7 -1.491 0.790 0.908
H8 -1.491 0.790 -0.908

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.52391.36301.35511.35512.38572.15022.1502
C21.52392.34992.38862.38861.38301.11051.1105
F31.36302.34992.19972.19973.55822.59832.5983
F41.35512.38862.19972.18932.82112.65243.3181
F51.35512.38862.19972.18932.82113.31812.6524
F62.38571.38303.55822.82112.82112.04952.0495
H72.15021.11052.59832.65243.31812.04951.8154
H82.15021.11052.59833.31812.65242.04951.8154

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 110.215 C1 C2 H7 108.396
C1 C2 H8 108.396 C2 C1 F3 108.851
C2 C1 F4 111.993 C2 C1 F5 111.993
F3 C1 F4 108.048 F3 C1 F5 108.048
F4 C1 F5 107.761 F6 C2 H7 110.073
F6 C2 H8 110.073 H7 C2 H8 109.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.337      
2 C 0.167      
3 F -0.145      
4 F -0.133      
5 F -0.133      
6 F -0.192      
7 H 0.049      
8 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.121 1.311 0.000 1.725
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.791 -2.667 0.000
y -2.667 -32.475 0.000
z 0.000 0.000 -31.116
Traceless
 xyz
x 0.004 -2.667 0.000
y -2.667 -1.022 0.000
z 0.000 0.000 1.017
Polar
3z2-r22.035
x2-y20.684
xy-2.667
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.568 0.002 0.000
y 0.002 3.639 0.000
z 0.000 0.000 3.525


<r2> (average value of r2) Å2
<r2> 135.650
(<r2>)1/2 11.647