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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-107.618675
Energy at 298.15K-107.622927
Nuclear repulsion energy155.273505
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 HF/CEP-31G*
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' 3316 2978 31.95      
2 A' 1641 1473 16.05      
3 A' 1609 1444 15.38      
4 A' 1440 1293 195.90      
5 A' 1342 1205 319.90      
6 A' 1226 1101 140.24      
7 A' 920 826 19.48      
8 A' 718 645 45.98      
9 A' 590 530 14.26      
10 A' 442 397 0.94      
11 A' 235 211 4.44      
12 A" 3384 3039 32.17      
13 A" 1451 1303 228.01      
14 A" 1329 1193 64.19      
15 A" 1081 971 63.60      
16 A" 576 517 4.92      
17 A" 373 335 0.97      
18 A" 116 104 8.22      

Unscaled Zero Point Vibrational Energy (zpe) 10893.1 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 9782.0 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 HF/CEP-31G*
ABC
0.18109 0.09381 0.09237

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.365 0.190 0.000
C2 -1.164 0.241 0.000
F3 0.839 1.432 0.000
F4 0.839 -0.428 1.070
F5 0.839 -0.428 -1.070
F6 -1.651 -1.030 0.000
H7 -1.500 0.757 0.894
H8 -1.500 0.757 -0.894

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.52941.32991.32371.32372.35642.14462.1446
C21.52942.33032.36722.36721.36111.08611.0861
F31.32992.33032.14632.14633.50202.59362.5936
F41.32372.36722.14632.14072.77662.62803.2765
F51.32372.36722.14632.14072.77663.27652.6280
F62.35641.36113.50202.77662.77662.00412.0041
H72.14461.08612.59362.62803.27652.00411.7887
H82.14461.08612.59363.27652.62802.00411.7887

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 109.077 C1 C2 H7 108.988
C1 C2 H8 108.988 C2 C1 F3 108.974
C2 C1 F4 111.937 C2 C1 F5 111.937
F3 C1 F4 107.961 F3 C1 F5 107.961
F4 C1 F5 107.917 F6 C2 H7 109.445
F6 C2 H8 109.445 H7 C2 H8 110.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.472      
2 C 0.079      
3 F -0.198      
4 F -0.187      
5 F -0.187      
6 F -0.278      
7 H 0.150      
8 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.466 1.782 0.000 2.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.410 -3.588 0.000
y -3.588 -33.780 0.000
z 0.000 0.000 -31.701
Traceless
 xyz
x 0.330 -3.588 0.000
y -3.588 -1.724 0.000
z 0.000 0.000 1.394
Polar
3z2-r22.788
x2-y21.370
xy-3.588
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.197 0.025 0.000
y 0.025 3.281 0.000
z 0.000 0.000 3.145


<r2> (average value of r2) Å2
<r2> 108.210
(<r2>)1/2 10.402