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

using model chemistry: wB97X-D/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-62.103047
Energy at 298.15K 
HF Energy-62.103047
Nuclear repulsion energy76.037942
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/CEP-121G*
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 33.94 35.83 0.68 0.81
2 A' 3111 3111 43.76 123.63 0.29 0.44
3 A' 3070 3070 6.01 120.25 0.01 0.03
4 A' 1502 1502 6.01 10.13 0.75 0.86
5 A' 1459 1459 77.26 2.46 0.39 0.56
6 A' 1396 1396 6.41 1.21 0.74 0.85
7 A' 1168 1168 52.22 1.92 0.11 0.20
8 A' 1149 1149 86.21 4.79 0.69 0.82
9 A' 874 874 8.86 7.35 0.22 0.37
10 A' 564 564 6.49 1.01 0.49 0.66
11 A' 462 462 13.18 1.07 0.61 0.76
12 A" 3157 3157 20.13 52.95 0.75 0.86
13 A" 1503 1503 0.72 7.92 0.75 0.86
14 A" 1408 1408 31.38 8.78 0.75 0.86
15 A" 1156 1156 160.01 2.69 0.75 0.86
16 A" 955 955 77.65 5.01 0.75 0.86
17 A" 380 380 0.08 0.31 0.75 0.86
18 A" 230 230 0.06 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13350.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13350.7 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/CEP-121G*
ABC
0.31190 0.29490 0.16997

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.326 0.166 0.000
C2 -0.910 1.044 0.000
H3 1.272 0.718 0.000
F4 0.326 -0.653 1.105
F5 0.326 -0.653 -1.105
H6 -1.804 0.414 0.000
H7 -0.913 1.678 0.892
H8 -0.913 1.678 -0.892

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.51551.09591.37571.37572.14412.14852.1485
C21.51552.20622.37232.37231.09411.09421.0942
H31.09592.20621.99941.99943.09142.54832.5483
F41.37572.37231.99942.21082.62612.64833.3102
F51.37572.37231.99942.21082.62613.31022.6483
H62.14411.09413.09142.62612.62611.78511.7851
H72.14851.09422.54832.64833.31021.78511.7837
H82.14851.09422.54833.31022.64831.78511.7837

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 109.432 C1 C2 H7 109.777
C1 C2 H8 109.777 C2 C1 H3 114.345
C2 C1 F4 110.179 C2 C1 F5 110.179
H3 C1 F4 107.445 H3 C1 F5 107.445
F4 C1 F5 106.936 H6 C2 H7 109.324
H6 C2 H8 109.324 H7 C2 H8 109.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.366      
2 C -0.586      
3 H 0.138      
4 F -0.251      
5 F -0.251      
6 H 0.200      
7 H 0.193      
8 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.335 2.314 0.000 2.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.247 0.559 0.000
y 0.559 -22.658 0.000
z 0.000 0.000 -25.197
Traceless
 xyz
x 2.681 0.559 0.000
y 0.559 0.564 0.000
z 0.000 0.000 -3.245
Polar
3z2-r2-6.490
x2-y21.411
xy0.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.738 -0.057 0.000
y -0.057 3.783 0.000
z 0.000 0.000 3.784


<r2> (average value of r2) Å2
<r2> 61.602
(<r2>)1/2 7.849