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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-476.541283
Energy at 298.15K-476.545166
Nuclear repulsion energy267.584097
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 B1B95/6-31G
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' 3148 3002 4.92      
2 A' 1545 1473 6.17      
3 A' 1466 1398 9.81      
4 A' 1332 1270 138.89      
5 A' 1195 1139 233.83      
6 A' 1092 1042 50.69      
7 A' 833 794 22.30      
8 A' 629 600 35.67      
9 A' 518 494 16.18      
10 A' 389 371 1.68      
11 A' 202 193 4.57      
12 A" 3220 3071 5.47      
13 A" 1344 1282 118.06      
14 A" 1200 1144 65.12      
15 A" 1002 956 58.02      
16 A" 497 474 4.47      
17 A" 337 321 2.26      
18 A" 107 102 8.31      

Unscaled Zero Point Vibrational Energy (zpe) 10026.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9562.6 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 B1B95/6-31G
ABC
0.17002 0.09074 0.08966

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.348 0.193 0.000
C2 -1.151 0.255 0.000
F3 0.843 1.485 0.000
F4 0.843 -0.447 1.110
F5 0.843 -0.447 -1.110
F6 -1.663 -1.061 0.000
H7 -1.490 0.773 0.894
H8 -1.490 0.773 -0.894

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.49981.38331.37441.37442.36992.12432.1243
C21.49982.34312.38782.38781.41181.08781.0878
F31.38332.34312.22852.22853.57262.59822.5982
F41.37442.38782.22852.22072.80902.64193.3092
F51.37442.38782.22852.22072.80903.30922.6419
F62.36991.41183.57262.80902.80902.04772.0477
H72.12431.08782.59822.64193.30922.04771.7882
H82.12431.08782.59823.30922.64192.04771.7882

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 108.933 C1 C2 H7 109.332
C1 C2 H8 109.332 C2 C1 F3 108.657
C2 C1 F4 112.285 C2 C1 F5 112.285
F3 C1 F4 107.823 F3 C1 F5 107.823
F4 C1 F5 107.785 F6 C2 H7 109.328
F6 C2 H8 109.328 H7 C2 H8 110.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.753      
2 C -0.022      
3 F -0.285      
4 F -0.272      
5 F -0.272      
6 F -0.322      
7 H 0.210      
8 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.642 1.890 0.000 2.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.401 -3.827 0.000
y -3.827 -33.984 0.000
z 0.000 0.000 -31.905
Traceless
 xyz
x 0.544 -3.827 0.000
y -3.827 -1.831 0.000
z 0.000 0.000 1.287
Polar
3z2-r22.574
x2-y21.583
xy-3.827
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.956 0.067 0.000
y 0.067 3.365 0.000
z 0.000 0.000 3.157


<r2> (average value of r2) Å2
<r2> 136.838
(<r2>)1/2 11.698