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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-573.460358
Energy at 298.15K-573.463793
HF Energy-573.460358
Nuclear repulsion energy354.753289
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 HF/LANL2DZ
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' 3415 3074 8.46      
2 A' 1554 1399 3.45      
3 A' 1415 1273 132.22      
4 A' 1259 1133 212.45      
5 A' 1162 1046 148.61      
6 A' 897 807 84.11      
7 A' 724 652 45.40      
8 A' 573 516 30.79      
9 A' 513 461 22.71      
10 A' 368 331 0.22      
11 A' 255 229 8.54      
12 A" 1476 1328 6.61      
13 A" 1277 1149 385.63      
14 A" 1211 1090 93.12      
15 A" 588 530 3.09      
16 A" 419 377 4.20      
17 A" 219 197 6.15      
18 A" 76 68 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 8700.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 7829.5 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 HF/LANL2DZ
ABC
0.11861 0.07870 0.06512

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.595 0.000
C2 -0.614 0.745 0.000
F3 1.468 -0.452 0.000
F4 -0.238 -1.314 1.101
F5 -0.238 -1.314 -1.101
F6 -0.238 1.457 -1.116
F7 -0.238 1.457 1.116
H8 -1.680 0.609 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52841.35541.36311.36312.36322.36322.1655
C21.52842.40192.36572.36571.37611.37611.0741
F31.35542.40192.20572.20572.79272.79273.3217
F41.36312.36572.20572.20303.54912.77132.6442
F51.36312.36572.20572.20302.77133.54912.6442
F62.36321.37612.79273.54912.77132.23172.0110
F72.36321.37612.79272.77133.54912.23172.0110
H82.16551.07413.32172.64422.64422.01102.0110

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.791 C1 C2 F7 108.791
C1 C2 H8 111.426 C2 C1 F3 112.657
C2 C1 F4 109.664 C2 C1 F5 109.664
F3 C1 F4 108.457 F3 C1 F5 108.457
F4 C1 F5 107.812 F6 C2 F7 108.365
F6 C2 H8 109.703 F7 C2 H8 109.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.806      
2 C 0.380      
3 F -0.266      
4 F -0.282      
5 F -0.282      
6 F -0.302      
7 F -0.302      
8 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.439 -0.059 0.000 2.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.811 -1.477 0.000
y -1.477 -42.274 0.000
z 0.000 0.000 -42.214
Traceless
 xyz
x 7.433 -1.477 0.000
y -1.477 -3.762 0.000
z 0.000 0.000 -3.671
Polar
3z2-r2-7.342
x2-y27.463
xy-1.477
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.829 0.160 0.000
y 0.160 2.835 0.000
z 0.000 0.000 3.261


<r2> (average value of r2) Å2
<r2> 172.656
(<r2>)1/2 13.140