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

using model chemistry: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-278.331897
Energy at 298.15K 
HF Energy-278.331897
Nuclear repulsion energy131.363922
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 B3LYPultrafine/6-31+G**
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' 3151 3034 15.01 38.10 0.69 0.82
2 A' 3101 2985 32.07 119.39 0.29 0.45
3 A' 3063 2949 3.41 127.48 0.01 0.02
4 A' 1488 1433 5.77 8.34 0.75 0.86
5 A' 1436 1382 63.85 1.84 0.51 0.68
6 A' 1385 1334 9.50 1.17 0.74 0.85
7 A' 1156 1113 27.05 1.69 0.02 0.03
8 A' 1131 1089 114.57 4.48 0.70 0.83
9 A' 867 835 10.52 6.70 0.19 0.32
10 A' 557 536 6.51 0.82 0.42 0.59
11 A' 457 440 13.15 1.15 0.66 0.79
12 A" 3144 3027 9.29 58.76 0.75 0.86
13 A" 1489 1433 1.63 6.16 0.75 0.86
14 A" 1379 1328 25.07 6.12 0.75 0.86
15 A" 1133 1091 146.84 1.99 0.75 0.86
16 A" 936 901 98.77 4.69 0.75 0.86
17 A" 380 366 0.21 0.36 0.75 0.86
18 A" 231 223 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13241.5 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 12747.6 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 B3LYPultrafine/6-31+G**
ABC
0.31062 0.29596 0.16991

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.170 0.000
C2 -0.903 1.044 0.000
H3 1.275 0.710 0.000
F4 0.323 -0.654 1.108
F5 0.323 -0.654 -1.108
H6 -1.799 0.418 0.000
H7 -0.906 1.679 0.890
H8 -0.906 1.679 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50601.09431.38071.38072.13692.14022.1402
C21.50602.20352.36952.36951.09311.09331.0933
H31.09432.20351.99831.99833.08802.54732.5473
F41.38072.36951.99832.21642.62342.64563.3084
F51.38072.36951.99832.21642.62343.30842.6456
H62.13691.09313.08802.62342.62341.78291.7829
H72.14021.09332.54732.64563.30841.78291.7806
H82.14021.09332.54733.30842.64561.78291.7806

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 109.585 C1 C2 H7 109.835
C1 C2 H8 109.835 C2 C1 H3 114.940
C2 C1 F4 110.260 C2 C1 F5 110.260
H3 C1 F4 107.118 H3 C1 F5 107.118
F4 C1 F5 106.765 H6 C2 H7 109.264
H6 C2 H8 109.264 H7 C2 H8 109.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.484      
2 C -0.500      
3 H 0.126      
4 F -0.315      
5 F -0.315      
6 H 0.181      
7 H 0.169      
8 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.384 2.457 0.000 2.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.672 0.518 0.000
y 0.518 -23.244 0.000
z 0.000 0.000 -25.983
Traceless
 xyz
x 2.942 0.518 0.000
y 0.518 0.583 0.000
z 0.000 0.000 -3.525
Polar
3z2-r2-7.049
x2-y21.573
xy0.518
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.975 -0.143 0.000
y -0.143 4.046 0.000
z 0.000 0.000 4.083


<r2> (average value of r2) Å2
<r2> 73.078
(<r2>)1/2 8.549