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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-575.554450
Energy at 298.15K-575.557592
HF Energy-575.554450
Nuclear repulsion energy354.367229
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/aug-cc-pVDZ
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' 3027 3008 15.62      
2 A' 1357 1349 1.25      
3 A' 1234 1226 129.80      
4 A' 1112 1105 176.05      
5 A' 1080 1073 147.00      
6 A' 820 815 45.25      
7 A' 680 676 28.03      
8 A' 542 539 12.32      
9 A' 485 482 5.00      
10 A' 340 338 0.02      
11 A' 228 227 2.99      
12 A" 1287 1279 2.95      
13 A" 1124 1118 405.61      
14 A" 1063 1057 77.41      
15 A" 544 541 0.16      
16 A" 387 385 0.56      
17 A" 198 196 1.68      
18 A" 68 67 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 7787.0 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 7739.5 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.11878 0.07831 0.06483

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 -0.606 0.000
C2 -0.611 0.756 0.000
F3 1.465 -0.455 0.000
F4 -0.237 -1.318 1.102
F5 -0.237 -1.318 -1.102
F6 -0.237 1.461 -1.114
F7 -0.237 1.461 1.114
H8 -1.710 0.622 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54701.35191.35991.35992.37582.37582.2057
C21.54702.40332.37812.37811.37041.37041.1079
F31.35192.40332.20392.20392.79452.79453.3530
F41.35992.37812.20392.20393.55432.77862.6732
F51.35992.37812.20392.20392.77863.55432.6732
F62.37581.37042.79453.55432.77862.22892.0290
F72.37581.37042.79452.77863.55432.22892.0290
H82.20571.10793.35302.67322.67322.02902.0290

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.893 C1 C2 F7 108.893
C1 C2 H8 111.288 C2 C1 F3 111.820
C2 C1 F4 109.620 C2 C1 F5 109.620
F3 C1 F4 108.722 F3 C1 F5 108.722
F4 C1 F5 108.260 F6 C2 F7 108.822
F6 C2 H8 109.452 F7 C2 H8 109.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.210      
2 C 1.026      
3 F -0.390      
4 F -0.394      
5 F -0.394      
6 F -0.379      
7 F -0.379      
8 H -0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.486 -0.057 0.000 1.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.627 -0.909 0.000
y -0.909 -39.293 0.000
z 0.000 0.000 -39.113
Traceless
 xyz
x 4.576 -0.909 0.000
y -0.909 -2.423 0.000
z 0.000 0.000 -2.153
Polar
3z2-r2-4.306
x2-y24.666
xy-0.909
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.853 0.010 0.000
y 0.010 5.096 0.000
z 0.000 0.000 5.160


<r2> (average value of r2) Å2
<r2> 171.900
(<r2>)1/2 13.111