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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-278.273543
Energy at 298.15K 
HF Energy-278.273543
Nuclear repulsion energy131.340186
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 B97D3/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' 3089 3046 18.27 43.32 0.73 0.85
2 A' 3005 2962 3.94 157.29 0.01 0.01
3 A' 2994 2952 49.90 100.43 0.31 0.48
4 A' 1457 1436 3.97 7.06 0.75 0.86
5 A' 1394 1375 59.51 2.24 0.56 0.72
6 A' 1359 1340 3.76 1.05 0.50 0.67
7 A' 1131 1115 26.17 1.39 0.02 0.04
8 A' 1097 1082 113.43 3.38 0.72 0.84
9 A' 847 835 8.12 5.68 0.19 0.33
10 A' 554 546 5.16 1.01 0.43 0.60
11 A' 454 447 10.13 1.09 0.66 0.79
12 A" 3084 3041 13.79 55.60 0.75 0.86
13 A" 1457 1437 0.71 5.92 0.75 0.86
14 A" 1351 1332 16.61 5.89 0.75 0.86
15 A" 1104 1089 119.49 1.81 0.75 0.86
16 A" 908 895 93.82 3.25 0.75 0.86
17 A" 376 370 0.25 0.46 0.75 0.86
18 A" 227 224 0.06 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12943.0 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 12761.8 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 B97D3/cc-pVTZ
ABC
0.31002 0.29609 0.16965

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.164 0.000
C2 -0.901 1.047 0.000
H3 1.273 0.714 0.000
F4 0.322 -0.654 1.110
F5 0.322 -0.654 -1.110
H6 -1.800 0.426 0.000
H7 -0.899 1.681 0.890
H8 -0.899 1.681 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50831.09791.37881.37882.13862.14152.1415
C21.50832.19912.37072.37071.09291.09311.0931
H31.09792.19912.00142.00143.08652.53902.5390
F41.37882.37072.00142.21982.62732.64463.3084
F51.37882.37072.00142.21982.62733.30842.6446
H62.13861.09293.08652.62732.62731.78331.7833
H72.14151.09312.53902.64463.30841.78331.7802
H82.14151.09312.53903.30842.64461.78331.7802

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 109.569 C1 C2 H7 109.782
C1 C2 H8 109.782 C2 C1 H3 114.159
C2 C1 F4 110.311 C2 C1 F5 110.311
H3 C1 F4 107.276 H3 C1 F5 107.276
F4 C1 F5 107.212 H6 C2 H7 109.333
H6 C2 H8 109.333 H7 C2 H8 109.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.351      
2 C -0.251      
3 H 0.024      
4 F -0.200      
5 F -0.200      
6 H 0.097      
7 H 0.090      
8 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.346 2.066 0.000 2.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.555 0.472 0.000
y 0.472 -22.754 0.000
z 0.000 0.000 -25.036
Traceless
 xyz
x 2.340 0.472 0.000
y 0.472 0.541 0.000
z 0.000 0.000 -2.882
Polar
3z2-r2-5.763
x2-y21.199
xy0.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.119 -0.176 0.000
y -0.176 4.104 0.000
z 0.000 0.000 4.086


<r2> (average value of r2) Å2
<r2> 72.813
(<r2>)1/2 8.533