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

using model chemistry: PBEPBEultrafine/6-31G*

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/6-31G*
 hartrees
Energy at 0K-476.301703
Energy at 298.15K-476.305552
Nuclear repulsion energy269.474365
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2998 2949 18.95      
2 A' 1479 1455 2.89      
3 A' 1417 1394 10.19      
4 A' 1271 1250 155.59      
5 A' 1164 1145 255.43      
6 A' 1100 1082 63.88      
7 A' 822 809 14.32      
8 A' 637 626 24.91      
9 A' 523 514 6.88      
10 A' 392 385 0.55      
11 A' 202 199 2.42      
12 A" 3054 3003 22.40      
13 A" 1290 1269 115.59      
14 A" 1182 1162 73.67      
15 A" 961 946 60.30      
16 A" 505 496 1.33      
17 A" 337 331 1.04      
18 A" 102 101 3.85      

Unscaled Zero Point Vibrational Energy (zpe) 9718.5 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 9558.1 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/6-31G*
ABC
0.17375 0.09147 0.09021

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.364 0.193 0.000
C2 -1.160 0.241 0.000
F3 0.844 1.467 0.000
F4 0.844 -0.442 1.095
F5 0.844 -0.442 -1.095
F6 -1.667 -1.045 0.000
H7 -1.497 0.781 0.902
H8 -1.497 0.781 -0.902

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.52471.36171.35381.35382.37822.14992.1499
C21.52472.34932.38362.38361.38221.10431.1043
F31.36172.34932.20072.20073.55162.60042.6004
F41.35382.38362.20072.19062.80482.64783.3112
F51.35382.38362.20072.19062.80483.31122.6478
F62.37821.38223.55162.80482.80482.04422.0442
H72.14991.10432.60042.64783.31122.04421.8046
H82.14991.10432.60043.31122.64782.04421.8046

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 109.693 C1 C2 H7 108.664
C1 C2 H8 108.664 C2 C1 F3 108.833
C2 C1 F4 111.666 C2 C1 F5 111.666
F3 C1 F4 108.277 F3 C1 F5 108.277
F4 C1 F5 108.009 F6 C2 H7 110.097
F6 C2 H8 110.097 H7 C2 H8 109.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.683      
2 C -0.091      
3 F -0.234      
4 F -0.224      
5 F -0.224      
6 F -0.255      
7 H 0.172      
8 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.039 1.292 0.000 1.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.353 -2.566 0.000
y -2.566 -32.111 0.000
z 0.000 0.000 -30.781
Traceless
 xyz
x 0.093 -2.566 0.000
y -2.566 -1.043 0.000
z 0.000 0.000 0.950
Polar
3z2-r21.901
x2-y20.757
xy-2.566
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.643 0.011 0.000
y 0.011 3.709 0.000
z 0.000 0.000 3.617


<r2> (average value of r2) Å2
<r2> 134.927
(<r2>)1/2 11.616