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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-567.754073
Energy at 298.15K-567.756557
HF Energy-567.754073
Nuclear repulsion energy342.836318
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/STO-3G
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' 3197 2823 17.02      
2 A' 1430 1263 48.14      
3 A' 1304 1151 76.33      
4 A' 1189 1050 12.98      
5 A' 1165 1029 94.88      
6 A' 820 724 4.82      
7 A' 668 590 22.29      
8 A' 531 469 13.32      
9 A' 459 406 6.03      
10 A' 308 272 0.08      
11 A' 195 172 1.09      
12 A" 1453 1283 12.77      
13 A" 1329 1173 124.45      
14 A" 1243 1098 37.41      
15 A" 524 463 1.38      
16 A" 360 318 1.04      
17 A" 156 138 0.70      
18 A" 21 19 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 8176.1 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 7219.5 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 B1B95/STO-3G
ABC
0.11318 0.07169 0.05985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.128 -0.653 0.000
C2 -0.618 0.819 0.000
F3 1.511 -0.506 0.000
F4 -0.248 -1.372 1.132
F5 -0.248 -1.372 -1.132
F6 -0.248 1.534 -1.136
F7 -0.248 1.534 1.136
H8 -1.733 0.636 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.65081.39091.39231.39232.49322.49322.2632
C21.65082.50782.49392.49391.39231.39231.1294
F31.39092.50782.26362.26362.92312.92313.4384
F41.39232.49392.26362.26383.68612.90582.7415
F51.39232.49392.26362.26382.90583.68612.7415
F62.49321.39232.92313.68612.90582.27232.0741
F72.49321.39232.92312.90583.68612.27232.0741
H82.26321.12943.43842.74152.74152.07412.0741

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.735 C1 C2 F7 109.735
C1 C2 H8 107.503 C2 C1 F3 110.775
C2 C1 F4 109.787 C2 C1 F5 109.787
F3 C1 F4 108.838 F3 C1 F5 108.838
F4 C1 F5 108.777 F6 C2 F7 109.371
F6 C2 H8 110.237 F7 C2 H8 110.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.285      
2 C 0.122      
3 F -0.097      
4 F -0.100      
5 F -0.100      
6 F -0.095      
7 F -0.095      
8 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.833 -0.021 0.000 0.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.264 -0.494 0.000
y -0.494 -32.812 0.000
z 0.000 0.000 -32.915
Traceless
 xyz
x 2.599 -0.494 0.000
y -0.494 -1.222 0.000
z 0.000 0.000 -1.378
Polar
3z2-r2-2.755
x2-y22.548
xy-0.494
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.078 0.027 0.000
y 0.027 2.298 0.000
z 0.000 0.000 2.374


<r2> (average value of r2) Å2
<r2> 179.952
(<r2>)1/2 13.415