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

using model chemistry: B2PLYP=FULLultrafine/daug-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 B2PLYP=FULLultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-278.128484
Energy at 298.15K 
HF Energy-277.895806
Nuclear repulsion energy131.350406
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 B2PLYP=FULLultrafine/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3174 3174 15.25 30.89 0.66 0.79
2 A' 3128 3128 26.50 111.27 0.25 0.40
3 A' 3075 3075 2.85 158.68 0.01 0.01
4 A' 1473 1473 5.73 4.43 0.75 0.85
5 A' 1430 1430 63.77 0.70 0.40 0.57
6 A' 1376 1376 1.47 0.71 0.44 0.61
7 A' 1155 1155 22.24 2.65 0.13 0.23
8 A' 1137 1137 101.97 3.66 0.47 0.64
9 A' 867 867 11.64 7.36 0.11 0.19
10 A' 556 556 5.92 1.14 0.22 0.35
11 A' 457 457 12.36 0.92 0.60 0.75
12 A" 3167 3167 9.09 49.24 0.75 0.86
13 A" 1472 1472 0.94 3.23 0.75 0.86
14 A" 1366 1366 14.41 3.96 0.75 0.86
15 A" 1123 1123 138.33 1.96 0.75 0.86
16 A" 930 930 91.49 3.02 0.75 0.86
17 A" 379 379 0.26 0.43 0.75 0.86
18 A" 230 230 0.05 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13247.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13247.8 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 B2PLYP=FULLultrafine/daug-cc-pVDZ
ABC
0.31074 0.29601 0.17005

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.171 0.000
C2 -0.902 1.044 0.000
H3 1.276 0.712 0.000
F4 0.322 -0.655 1.108
F5 0.322 -0.655 -1.108
H6 -1.799 0.416 0.000
H7 -0.899 1.680 0.893
H8 -0.899 1.680 -0.893

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50381.09661.38151.38152.13542.13662.1366
C21.50382.20322.36902.36901.09551.09591.0959
H31.09662.20322.00122.00123.08942.54272.5427
F41.38152.36902.00122.21512.62142.64333.3081
F51.38152.36902.00122.21512.62143.30812.6433
H62.13541.09553.08942.62142.62141.79021.7902
H72.13661.09592.54272.64333.30811.79021.7861
H82.13661.09592.54273.30812.64331.79021.7861

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 109.472 C1 C2 H7 109.545
C1 C2 H8 109.545 C2 C1 H3 114.932
C2 C1 F4 110.309 C2 C1 F5 110.309
H3 C1 F4 107.157 H3 C1 F5 107.157
F4 C1 F5 106.582 H6 C2 H7 109.556
H6 C2 H8 109.556 H7 C2 H8 109.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.995      
2 C 0.604      
3 H -0.656      
4 F -0.712      
5 F -0.712      
6 H -0.191      
7 H -0.164      
8 H -0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.371 2.356 0.000 2.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.840 0.534 0.005
y 0.534 -23.310 -0.009
z 0.005 -0.009 -25.926
Traceless
 xyz
x 2.779 0.534 0.005
y 0.534 0.573 -0.009
z 0.005 -0.009 -3.352
Polar
3z2-r2-6.703
x2-y21.470
xy0.534
xz0.005
yz-0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.416 -0.205 -0.000
y -0.205 4.485 0.001
z -0.000 0.001 4.478


<r2> (average value of r2) Å2
<r2> 73.086
(<r2>)1/2 8.549