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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-476.386862
Energy at 298.15K-476.390871
HF Energy-476.082113
Nuclear repulsion energy271.675757
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 B2PLYP/6-31G*
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' 3125 2966 14.46      
2 A' 1553 1474 4.06      
3 A' 1492 1417 14.80      
4 A' 1342 1274 152.51      
5 A' 1229 1167 261.98      
6 A' 1135 1077 75.44      
7 A' 857 813 17.45      
8 A' 664 630 30.33      
9 A' 546 518 9.02      
10 A' 410 389 0.70      
11 A' 214 203 3.08      
12 A" 3187 3025 17.45      
13 A" 1353 1284 134.77      
14 A" 1237 1174 65.58      
15 A" 1012 960 62.38      
16 A" 527 501 2.37      
17 A" 354 336 1.20      
18 A" 108 102 5.04      

Unscaled Zero Point Vibrational Energy (zpe) 10171.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 9655.2 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 B2PLYP/6-31G*
ABC
0.17677 0.09307 0.09184

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.358 0.195 0.000
C2 -1.155 0.240 0.000
F3 0.835 1.458 0.000
F4 0.835 -0.434 1.087
F5 0.835 -0.434 -1.087
F6 -1.641 -1.050 0.000
H7 -1.494 0.765 0.895
H8 -1.494 0.765 -0.895

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51291.35051.34301.34302.35462.13412.1341
C21.51292.33302.36482.36481.37811.09171.0917
F31.35052.33302.18172.18173.52422.58962.5896
F41.34302.36482.18172.17312.77332.62613.2843
F51.34302.36482.18172.17312.77333.28432.6261
F62.35461.37813.52422.77332.77332.02842.0284
H72.13411.09172.58962.62613.28432.02841.7902
H82.13411.09172.58963.28432.62612.02841.7902

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 108.976 C1 C2 H7 108.961
C1 C2 H8 108.961 C2 C1 F3 108.998
C2 C1 F4 111.662 C2 C1 F5 111.662
F3 C1 F4 108.196 F3 C1 F5 108.196
F4 C1 F5 108.010 F6 C2 H7 109.883
F6 C2 H8 109.883 H7 C2 H8 110.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.903      
2 C -0.016      
3 F -0.313      
4 F -0.301      
5 F -0.301      
6 F -0.333      
7 H 0.181      
8 H 0.181      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.392 0.011 0.000
y 0.011 3.517 0.000
z 0.000 0.000 3.436


<r2> (average value of r2) Å2
<r2> 133.173
(<r2>)1/2 11.540