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

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-109.155274
Energy at 298.15K-109.158961
Nuclear repulsion energy148.556246
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 B3LYP/CEP-31G
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' 3118 3020 16.05      
2 A' 1488 1441 8.47      
3 A' 1416 1372 4.16      
4 A' 1260 1220 113.06      
5 A' 1078 1044 245.46      
6 A' 1021 988 61.35      
7 A' 779 754 28.29      
8 A' 597 578 36.57      
9 A' 491 475 13.66      
10 A' 371 359 1.69      
11 A' 204 197 5.05      
12 A" 3203 3102 11.36      
13 A" 1272 1232 87.09      
14 A" 1141 1105 82.05      
15 A" 941 912 91.38      
16 A" 475 460 3.10      
17 A" 321 311 2.22      
18 A" 92 89 10.86      

Unscaled Zero Point Vibrational Energy (zpe) 9633.2 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 9328.7 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 B3LYP/CEP-31G
ABC
0.16375 0.08651 0.08535

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.355 0.194 0.000
C2 -1.188 0.263 0.000
F3 0.870 1.510 0.000
F4 0.870 -0.455 1.130
F5 0.870 -0.455 -1.130
F6 -1.714 -1.076 0.000
H7 -1.530 0.774 0.911
H8 -1.530 0.774 -0.911

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.54431.41311.40071.40072.42672.17282.1728
C21.54432.40622.45472.45471.43771.09971.0997
F31.41312.40622.26612.26613.65482.67042.6704
F41.40072.45472.26612.25912.88702.70553.3818
F51.40072.45472.26612.25912.88703.38182.7055
F62.42671.43773.65482.88702.88702.07052.0705
H72.17281.09972.67042.70553.38182.07051.8223
H82.17281.09972.67043.38182.70552.07051.8223

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 108.884 C1 C2 H7 109.373
C1 C2 H8 109.373 C2 C1 F3 108.820
C2 C1 F4 112.831 C2 C1 F5 112.831
F3 C1 F4 107.290 F3 C1 F5 107.290
F4 C1 F5 107.495 F6 C2 H7 108.633
F6 C2 H8 108.633 H7 C2 H8 111.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.177      
2 C -0.029      
3 F -0.127      
4 F -0.107      
5 F -0.107      
6 F -0.217      
7 H 0.205      
8 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.943 2.136 0.000 2.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.566 -4.559 0.000
y -4.559 -35.316 0.000
z 0.000 0.000 -32.752
Traceless
 xyz
x 0.468 -4.559 0.000
y -4.559 -2.157 0.000
z 0.000 0.000 1.689
Polar
3z2-r23.379
x2-y21.750
xy-4.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.319 0.152 0.000
y 0.152 3.671 0.000
z 0.000 0.000 3.294


<r2> (average value of r2) Å2
<r2> 116.531
(<r2>)1/2 10.795