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

using model chemistry: PBE1PBE/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-278.136557
Energy at 298.15K 
HF Energy-278.136557
Nuclear repulsion energy132.652504
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 PBE1PBE/daug-cc-pVTZ
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' 3158 3158 10.56 35.98 0.69 0.82
2 A' 3076 3076 33.88 125.04 0.19 0.32
3 A' 3068 3068 2.31 142.25 0.01 0.01
4 A' 1476 1476 6.23 4.16 0.75 0.86
5 A' 1431 1431 72.66 0.73 0.40 0.57
6 A' 1382 1382 0.63 0.65 0.41 0.58
7 A' 1166 1166 84.71 3.25 0.28 0.44
8 A' 1153 1153 50.20 2.49 0.40 0.57
9 A' 880 880 6.36 6.32 0.12 0.22
10 A' 572 572 4.68 0.79 0.29 0.44
11 A' 469 469 12.33 0.84 0.56 0.71
12 A" 3156 3156 6.80 47.39 0.75 0.86
13 A" 1477 1477 0.77 2.90 0.75 0.86
14 A" 1379 1379 17.91 3.89 0.75 0.86
15 A" 1153 1153 164.91 2.08 0.75 0.86
16 A" 954 954 61.23 2.07 0.75 0.86
17 A" 382 382 0.29 0.37 0.75 0.86
18 A" 229 229 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13280.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13280.1 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 PBE1PBE/daug-cc-pVTZ
ABC
0.31822 0.30062 0.17340

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.320 0.163 0.000
C2 -0.896 1.037 0.000
H3 1.266 0.713 0.000
F4 0.320 -0.648 1.094
F5 0.320 -0.648 -1.094
H6 -1.790 0.413 0.000
H7 -0.897 1.669 0.888
H8 -0.897 1.669 -0.888

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49731.09391.36201.36202.12512.13002.1300
C21.49732.18612.34832.34831.09021.08981.0898
H31.09392.18611.98581.98583.07092.52622.5262
F41.36202.34831.98582.18792.60322.62553.2829
F51.36202.34831.98582.18792.60323.28292.6255
H62.12511.09023.07092.60322.60321.77831.7783
H72.13001.08982.52622.62553.28291.77831.7753
H82.13001.08982.52623.28292.62551.77831.7753

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 109.425 C1 C2 H7 109.836
C1 C2 H8 109.836 C2 C1 H3 114.159
C2 C1 F4 110.334 C2 C1 F5 110.334
H3 C1 F4 107.416 H3 C1 F5 107.416
F4 C1 F5 106.868 H6 C2 H7 109.324
H6 C2 H8 109.324 H7 C2 H8 109.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.410      
2 C -1.316      
3 H 0.624      
4 F -0.698      
5 F -0.698      
6 H 0.163      
7 H 0.257      
8 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.364 2.220 0.000 2.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.537 0.473 0.000
y 0.473 -22.938 0.000
z 0.000 0.000 -25.409
Traceless
 xyz
x 2.636 0.473 0.000
y 0.473 0.535 0.000
z 0.000 0.000 -3.171
Polar
3z2-r2-6.342
x2-y21.401
xy0.473
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.392 -0.195 0.000
y -0.195 4.416 0.000
z 0.000 0.000 4.376


<r2> (average value of r2) Å2
<r2> 71.779
(<r2>)1/2 8.472