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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-476.751303
Energy at 298.15K-476.755079
Nuclear repulsion energy266.709253
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 BLYP/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' 3006 2990 13.75      
2 A' 1449 1441 4.21      
3 A' 1381 1373 3.98      
4 A' 1222 1216 140.16      
5 A' 1070 1064 294.56      
6 A' 1025 1020 95.01      
7 A' 786 782 21.29      
8 A' 617 614 29.89      
9 A' 508 505 6.44      
10 A' 383 381 0.57      
11 A' 209 208 3.10      
12 A" 3069 3052 7.73      
13 A" 1249 1243 76.06      
14 A" 1128 1122 125.71      
15 A" 923 919 101.11      
16 A" 493 490 0.85      
17 A" 331 330 1.62      
18 A" 103 102 6.02      

Unscaled Zero Point Vibrational Energy (zpe) 9475.5 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 9425.3 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 BLYP/6-31+G**
ABC
0.17061 0.08936 0.08806

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.364 0.189 0.000
C2 -1.170 0.252 0.000
F3 0.857 1.476 0.000
F4 0.857 -0.447 1.105
F5 0.857 -0.447 -1.105
F6 -1.699 -1.048 0.000
H7 -1.509 0.775 0.907
H8 -1.509 0.775 -0.907

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.53461.37831.36721.36722.40572.16122.1612
C21.53462.36782.41202.41201.40431.10041.1004
F31.37832.36782.21832.21833.59292.62882.6288
F41.36722.41202.21832.20912.84882.67033.3373
F51.36722.41202.21832.20912.84883.33732.6703
F62.40571.40433.59292.84882.84882.04562.0456
H72.16121.10042.62882.67033.33732.04561.8139
H82.16121.10042.62883.33732.67032.04561.8139

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 109.802 C1 C2 H7 109.096
C1 C2 H8 109.096 C2 C1 F3 108.634
C2 C1 F4 112.316 C2 C1 F5 112.316
F3 C1 F4 107.802 F3 C1 F5 107.802
F4 C1 F5 107.782 F6 C2 H7 108.909
F6 C2 H8 108.909 H7 C2 H8 111.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.775      
2 C -0.003      
3 F -0.280      
4 F -0.271      
5 F -0.271      
6 F -0.285      
7 H 0.168      
8 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.391 1.652 0.000 2.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.149 -3.476 0.000
y -3.476 -34.541 0.000
z 0.000 0.000 -32.547
Traceless
 xyz
x 0.396 -3.476 0.000
y -3.476 -1.693 0.000
z 0.000 0.000 1.298
Polar
3z2-r22.595
x2-y21.392
xy-3.476
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.574 0.114 0.000
y 0.114 4.681 0.000
z 0.000 0.000 4.414


<r2> (average value of r2) Å2
<r2> 138.761
(<r2>)1/2 11.780