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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-476.501949
Energy at 298.15K-476.505828
Nuclear repulsion energy269.718269
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-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' 2985 2964 16.11      
2 A' 1434 1425 4.66      
3 A' 1381 1372 14.05      
4 A' 1245 1236 142.79      
5 A' 1116 1108 284.03      
6 A' 1076 1068 61.42      
7 A' 814 808 15.24      
8 A' 637 633 26.74      
9 A' 524 521 6.04      
10 A' 393 390 0.53      
11 A' 208 206 2.55      
12 A" 3043 3022 11.55      
13 A" 1258 1250 89.78      
14 A" 1146 1139 108.59      
15 A" 934 927 69.73      
16 A" 508 505 0.95      
17 A" 335 333 1.09      
18 A" 104 103 4.57      

Unscaled Zero Point Vibrational Energy (zpe) 9570.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 9504.2 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 PBEPBE/cc-pVTZ
ABC
0.17449 0.09142 0.09010

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.363 0.191 0.000
C2 -1.160 0.243 0.000
F3 0.846 1.461 0.000
F4 0.846 -0.442 1.092
F5 0.846 -0.442 -1.092
F6 -1.676 -1.039 0.000
H7 -1.492 0.777 0.902
H8 -1.492 0.777 -0.902

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.52341.35961.35161.35162.38112.14432.1443
C21.52342.34712.38462.38461.38181.09981.0998
F31.35962.34712.19462.19463.55172.59832.5983
F41.35162.38462.19462.18402.81302.64393.3063
F51.35162.38462.19462.18402.81303.30632.6439
F62.38111.38183.55172.81302.81302.03562.0356
H72.14431.09982.59832.64393.30632.03561.8047
H82.14431.09982.59833.30632.64392.03561.8047

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 109.995 C1 C2 H7 108.581
C1 C2 H8 108.581 C2 C1 F3 108.867
C2 C1 F4 111.941 C2 C1 F5 111.941
F3 C1 F4 108.083 F3 C1 F5 108.083
F4 C1 F5 107.785 F6 C2 H7 109.702
F6 C2 H8 109.702 H7 C2 H8 110.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.407      
2 C 0.056      
3 F -0.145      
4 F -0.135      
5 F -0.135      
6 F -0.187      
7 H 0.069      
8 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.198 1.386 0.000 1.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.162 -2.832 0.000
y -2.832 -33.167 0.000
z 0.000 0.000 -31.605
Traceless
 xyz
x 0.223 -2.832 0.000
y -2.832 -1.283 0.000
z 0.000 0.000 1.059
Polar
3z2-r22.119
x2-y21.004
xy-2.832
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.222 0.051 0.000
y 0.051 4.240 0.000
z 0.000 0.000 4.048


<r2> (average value of r2) Å2
<r2> 135.450
(<r2>)1/2 11.638