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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-575.504606
Energy at 298.15K-575.507752
HF Energy-575.504606
Nuclear repulsion energy354.545522
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 PBEPBEultrafine/6-31+G**
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' 3037 3002 15.78      
2 A' 1371 1356 0.67      
3 A' 1248 1233 146.22      
4 A' 1131 1118 186.11      
5 A' 1092 1080 157.20      
6 A' 827 818 46.55      
7 A' 686 678 30.42      
8 A' 546 540 13.56      
9 A' 489 483 5.93      
10 A' 341 337 0.03      
11 A' 230 227 3.29      
12 A" 1313 1298 6.84      
13 A" 1145 1132 418.34      
14 A" 1082 1070 92.40      
15 A" 548 542 0.24      
16 A" 389 385 0.71      
17 A" 199 196 2.00      
18 A" 67 66 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 7870.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 7780.4 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 PBEPBEultrafine/6-31+G**
ABC
0.11899 0.07828 0.06484

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -0.607 0.000
C2 -0.610 0.758 0.000
F3 1.465 -0.459 0.000
F4 -0.238 -1.317 1.101
F5 -0.238 -1.317 -1.101
F6 -0.238 1.461 -1.113
F7 -0.238 1.461 1.113
H8 -1.705 0.623 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54941.35031.35841.35842.37682.37682.2038
C21.54942.40512.37812.37811.36861.36861.1037
F31.35032.40512.20162.20162.79732.79733.3497
F41.35842.37812.20162.20163.55282.77842.6703
F51.35842.37812.20162.20162.77843.55282.6703
F62.37681.36862.79733.55282.77842.22702.0239
F72.37681.36862.79732.77843.55282.22702.0239
H82.20381.10373.34972.67032.67032.02392.0239

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.923 C1 C2 F7 108.923
C1 C2 H8 111.215 C2 C1 F3 111.895
C2 C1 F4 109.564 C2 C1 F5 109.564
F3 C1 F4 108.741 F3 C1 F5 108.741
F4 C1 F5 108.260 F6 C2 F7 108.896
F6 C2 H8 109.424 F7 C2 H8 109.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.713      
2 C 0.364      
3 F -0.250      
4 F -0.253      
5 F -0.253      
6 F -0.248      
7 F -0.248      
8 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.552 -0.061 0.000 1.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.614 -0.962 0.000
y -0.962 -39.471 0.000
z 0.000 0.000 -39.293
Traceless
 xyz
x 4.768 -0.962 0.000
y -0.962 -2.517 0.000
z 0.000 0.000 -2.250
Polar
3z2-r2-4.501
x2-y24.857
xy-0.962
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.548 0.036 0.000
y 0.036 4.720 0.000
z 0.000 0.000 4.853


<r2> (average value of r2) Å2
<r2> 171.910
(<r2>)1/2 13.111