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

using model chemistry: B97D3/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-278.202869
Energy at 298.15K 
HF Energy-278.202869
Nuclear repulsion energy130.495762
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/aug-cc-pVDZ
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' 3103 3103 17.34 38.47 0.73 0.84
2 A' 3024 3024 39.16 131.67 0.21 0.35
3 A' 3004 3004 5.08 155.09 0.01 0.01
4 A' 1431 1431 4.44 4.34 0.75 0.86
5 A' 1380 1380 57.62 0.85 0.58 0.73
6 A' 1333 1333 3.67 1.01 0.40 0.57
7 A' 1119 1119 19.21 2.45 0.05 0.10
8 A' 1089 1089 112.21 3.61 0.66 0.80
9 A' 839 839 12.17 7.03 0.12 0.22
10 A' 541 541 5.83 1.06 0.26 0.41
11 A' 443 443 10.26 1.00 0.67 0.80
12 A" 3093 3093 12.95 53.64 0.75 0.86
13 A" 1430 1430 0.81 3.45 0.75 0.86
14 A" 1320 1320 12.37 4.01 0.75 0.86
15 A" 1079 1079 120.32 1.74 0.75 0.86
16 A" 885 885 113.94 3.09 0.75 0.86
17 A" 372 372 0.41 0.50 0.75 0.86
18 A" 222 222 0.04 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12853.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12853.6 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 B97D3/aug-cc-pVDZ
ABC
0.30589 0.29282 0.16767

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.171 0.000
C2 -0.903 1.053 0.000
H3 1.284 0.712 0.000
F4 0.322 -0.660 1.117
F5 0.322 -0.660 -1.117
H6 -1.810 0.432 0.000
H7 -0.895 1.692 0.896
H8 -0.895 1.692 -0.896

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.51001.10391.39171.39172.14852.14482.1448
C21.51002.21342.38382.38381.10001.10061.1006
H31.10392.21342.01362.01363.10712.55192.5519
F41.39172.38382.01362.23432.64322.65723.3265
F51.39172.38382.01362.23432.64323.32652.6572
H62.14851.10003.10712.64322.64321.79721.7972
H72.14481.10062.55192.65723.32651.79721.7924
H82.14481.10062.55193.32652.65721.79721.7924

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 109.808 C1 C2 H7 109.484
C1 C2 H8 109.484 C2 C1 H3 114.839
C2 C1 F4 110.406 C2 C1 F5 110.406
H3 C1 F4 107.016 H3 C1 F5 107.016
F4 C1 F5 106.775 H6 C2 H7 109.506
H6 C2 H8 109.506 H7 C2 H8 109.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.238      
2 C 0.444      
3 H -0.387      
4 F -0.447      
5 F -0.447      
6 H -0.141      
7 H -0.130      
8 H -0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.388 2.290 0.000 2.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.708 0.480 0.000
y 0.480 -23.123 0.000
z 0.000 0.000 -25.700
Traceless
 xyz
x 2.703 0.480 0.000
y 0.480 0.581 0.000
z 0.000 0.000 -3.285
Polar
3z2-r2-6.569
x2-y21.414
xy0.480
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.570 -0.238 0.000
y -0.238 4.655 0.000
z 0.000 0.000 4.633


<r2> (average value of r2) Å2
<r2> 73.747
(<r2>)1/2 8.588