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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-278.338667
Energy at 298.15K 
HF Energy-278.338667
Nuclear repulsion energy132.633694
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 wB97X-D/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' 3162 3023 13.71 40.64 0.71 0.83
2 A' 3082 2946 39.81 119.18 0.22 0.36
3 A' 3071 2936 3.37 121.84 0.01 0.02
4 A' 1491 1426 5.66 6.88 0.74 0.85
5 A' 1446 1383 71.59 1.80 0.35 0.52
6 A' 1398 1337 1.21 0.64 0.65 0.79
7 A' 1174 1123 68.85 1.70 0.27 0.43
8 A' 1154 1103 71.18 3.38 0.53 0.69
9 A' 883 844 6.61 5.49 0.19 0.32
10 A' 577 552 5.40 0.84 0.44 0.61
11 A' 473 453 12.23 0.91 0.64 0.78
12 A" 3160 3021 9.45 51.47 0.75 0.86
13 A" 1493 1427 0.68 5.23 0.75 0.86
14 A" 1399 1338 21.47 5.37 0.75 0.86
15 A" 1163 1112 152.44 1.91 0.75 0.86
16 A" 962 919 64.79 2.97 0.75 0.86
17 A" 388 371 0.17 0.36 0.75 0.86
18 A" 236 225 0.06 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13356.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 12768.8 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 wB97X-D/cc-pVTZ
ABC
0.31805 0.30033 0.17322

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.162 0.000
C2 -0.898 1.037 0.000
H3 1.263 0.715 0.000
F4 0.322 -0.647 1.094
F5 0.322 -0.647 -1.094
H6 -1.790 0.413 0.000
H7 -0.900 1.668 0.887
H8 -0.900 1.668 -0.887

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50121.09221.36121.36122.12682.13202.1320
C21.50122.18552.35002.35001.08861.08831.0883
H31.09222.18551.98531.98533.06872.52432.5243
F41.36122.35001.98532.18882.60422.62583.2827
F51.36122.35001.98532.18882.60423.28272.6258
H62.12681.08863.06872.60422.60421.77611.7761
H72.13201.08832.52432.62583.28271.77611.7732
H82.13201.08832.52433.28272.62581.77611.7732

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 109.384 C1 C2 H7 109.810
C1 C2 H8 109.810 C2 C1 H3 113.924
C2 C1 F4 110.271 C2 C1 F5 110.271
H3 C1 F4 107.530 H3 C1 F5 107.530
F4 C1 F5 107.032 H6 C2 H7 109.354
H6 C2 H8 109.354 H7 C2 H8 109.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.359      
2 C -0.245      
3 H 0.030      
4 F -0.208      
5 F -0.208      
6 H 0.096      
7 H 0.088      
8 H 0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.336 2.138 0.000 2.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.370 0.504 0.000
y 0.504 -22.658 0.000
z 0.000 0.000 -25.003
Traceless
 xyz
x 2.460 0.504 0.000
y 0.504 0.528 0.000
z 0.000 0.000 -2.988
Polar
3z2-r2-5.977
x2-y21.288
xy0.504
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.926 -0.134 0.000
y -0.134 3.921 0.000
z 0.000 0.000 3.912


<r2> (average value of r2) Å2
<r2> 71.643
(<r2>)1/2 8.464