return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-476.743177
Energy at 298.15K-476.747192
Nuclear repulsion energy272.007925
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 B3PW91/6-311G**
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' 3077 2963 14.14      
2 A' 1487 1432 4.04      
3 A' 1448 1395 23.51      
4 A' 1306 1258 167.57      
5 A' 1187 1143 295.24      
6 A' 1121 1080 91.51      
7 A' 847 816 17.69      
8 A' 664 639 32.86      
9 A' 547 527 8.59      
10 A' 409 394 0.71      
11 A' 215 207 3.31      
12 A" 3140 3024 12.02      
13 A" 1315 1267 130.44      
14 A" 1206 1161 104.39      
15 A" 975 939 68.53      
16 A" 530 511 2.09      
17 A" 349 336 1.16      
18 A" 105 102 5.77      

Unscaled Zero Point Vibrational Energy (zpe) 9964.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9596.6 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 B3PW91/6-311G**
ABC
0.17777 0.09289 0.09153

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.361 0.189 0.000
C2 -1.153 0.242 0.000
F3 0.840 1.447 0.000
F4 0.840 -0.437 1.082
F5 0.840 -0.437 -1.082
F6 -1.664 -1.031 0.000
H7 -1.483 0.770 0.897
H8 -1.483 0.770 -0.897

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51481.34611.33841.33842.36412.13202.1320
C21.51482.32912.36712.36711.37191.09251.0925
F31.34612.32912.17232.17233.52312.58122.5812
F41.33842.36712.17232.16312.79162.62533.2823
F51.33842.36712.17232.16312.79163.28232.6253
F62.36411.37193.52312.79162.79162.02092.0209
H72.13201.09252.58122.62533.28232.02091.7942
H82.13201.09252.58123.28232.62532.02091.7942

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 109.866 C1 C2 H7 108.626
C1 C2 H8 108.626 C2 C1 F3 108.858
C2 C1 F4 111.973 C2 C1 F5 111.973
F3 C1 F4 108.035 F3 C1 F5 108.035
F4 C1 F5 107.819 F6 C2 H7 109.652
F6 C2 H8 109.652 H7 C2 H8 110.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.559      
2 C 0.016      
3 F -0.208      
4 F -0.195      
5 F -0.195      
6 F -0.247      
7 H 0.136      
8 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.273 1.528 0.000 1.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.031 -3.091 0.000
y -3.091 -33.114 0.000
z 0.000 0.000 -31.376
Traceless
 xyz
x 0.214 -3.091 0.000
y -3.091 -1.411 0.000
z 0.000 0.000 1.197
Polar
3z2-r22.394
x2-y21.084
xy-3.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.445 0.022 0.000
y 0.022 3.557 0.000
z 0.000 0.000 3.419


<r2> (average value of r2) Å2
<r2> 133.501
(<r2>)1/2 11.554