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All results from a given calculation for CH3CHF2 (Ethane, 1,1-difluoro-)

using model chemistry: PBEPBEultrafine/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/cc-pVDZ
 hartrees
Energy at 0K-278.018456
Energy at 298.15K 
HF Energy-278.018456
Nuclear repulsion energy130.964242
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/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' 3091 3073 9.51 53.76 0.74 0.85
2 A' 2993 2976 2.66 138.75 0.01 0.02
3 A' 2962 2945 60.74 112.83 0.30 0.47
4 A' 1405 1397 7.76 13.56 0.75 0.86
5 A' 1366 1358 76.75 3.53 0.65 0.78
6 A' 1315 1308 2.17 0.87 0.66 0.80
7 A' 1112 1106 39.34 1.54 0.09 0.17
8 A' 1109 1102 86.37 4.43 0.73 0.84
9 A' 848 843 7.54 5.63 0.26 0.41
10 A' 544 541 4.65 0.98 0.57 0.73
11 A' 446 444 10.59 1.17 0.67 0.80
12 A" 3090 3072 8.05 62.44 0.75 0.86
13 A" 1408 1399 0.02 9.45 0.75 0.86
14 A" 1321 1314 28.55 11.19 0.75 0.86
15 A" 1106 1100 139.56 2.42 0.75 0.86
16 A" 910 905 53.59 3.68 0.75 0.86
17 A" 364 362 0.14 0.48 0.75 0.86
18 A" 231 230 0.08 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12810.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 12736.6 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/cc-pVDZ
ABC
0.30797 0.29555 0.16926

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.166 0.000
C2 -0.905 1.041 0.000
H3 1.284 0.732 0.000
F4 0.325 -0.652 1.112
F5 0.325 -0.652 -1.112
H6 -1.809 0.401 0.000
H7 -0.917 1.684 0.901
H8 -0.917 1.684 -0.901

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50921.11421.38091.38092.14642.15802.1580
C21.50922.21062.37002.37001.10741.10691.1069
H31.11422.21062.01892.01893.11052.56122.5612
F41.38092.37002.01892.22462.62662.65423.3246
F51.38092.37002.01892.22462.62663.32462.6542
H62.14641.10743.11052.62662.62661.80381.8038
H72.15801.10692.56122.65423.32461.80381.8017
H82.15801.10692.56123.32462.65421.80381.8017

picture of Ethane, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.261 C1 C2 H7 110.210
C1 C2 H8 110.210 C2 C1 H3 113.992
C2 C1 F4 110.100 C2 C1 F5 110.100
H3 C1 F4 107.538 H3 C1 F5 107.538
F4 C1 F5 107.316 H6 C2 H7 109.094
H6 C2 H8 109.094 H7 C2 H8 108.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.277      
2 C -0.078      
3 H 0.016      
4 F -0.185      
5 F -0.185      
6 H 0.057      
7 H 0.049      
8 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.331 1.887 0.000 1.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.558 0.467 0.000
y 0.467 -22.543 0.000
z 0.000 0.000 -24.599
Traceless
 xyz
x 2.013 0.467 0.000
y 0.467 0.535 0.000
z 0.000 0.000 -2.548
Polar
3z2-r2-5.096
x2-y20.986
xy0.467
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.757 -0.125 0.000
y -0.125 3.657 0.000
z 0.000 0.000 3.642


<r2> (average value of r2) Å2
<r2> 72.941
(<r2>)1/2 8.541