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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-278.153460
Energy at 298.15K 
HF Energy-278.153460
Nuclear repulsion energy131.127018
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 B97D3/6-31G*
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' 3107 3046 21.52 47.92 0.74 0.85
2 A' 3019 2959 4.85 123.28 0.01 0.03
3 A' 3004 2945 71.70 87.38 0.38 0.55
4 A' 1490 1461 3.65 16.22 0.75 0.86
5 A' 1425 1397 59.59 4.76 0.74 0.85
6 A' 1383 1356 12.14 1.64 0.71 0.83
7 A' 1151 1128 30.38 1.54 0.05 0.09
8 A' 1115 1093 97.32 4.60 0.74 0.85
9 A' 859 842 7.17 6.66 0.24 0.39
10 A' 554 543 5.35 0.89 0.50 0.67
11 A' 451 442 9.84 1.14 0.66 0.79
12 A" 3102 3041 17.96 59.12 0.75 0.86
13 A" 1492 1463 0.06 11.99 0.75 0.86
14 A" 1392 1364 35.73 10.39 0.75 0.86
15 A" 1140 1118 119.56 3.03 0.75 0.86
16 A" 942 923 68.65 5.24 0.75 0.86
17 A" 373 366 0.14 0.29 0.75 0.86
18 A" 252 247 0.07 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13124.0 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 12866.8 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 B97D3/6-31G*
ABC
0.30764 0.29649 0.16921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.326 0.163 0.000
C2 -0.909 1.039 0.000
H3 1.272 0.728 0.000
F4 0.326 -0.650 1.114
F5 0.326 -0.650 -1.114
H6 -1.804 0.404 0.000
H7 -0.920 1.676 0.894
H8 -0.920 1.676 -0.894

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.51381.10201.37891.37892.14392.15412.1541
C21.51382.20272.36982.36981.09771.09781.0978
H31.10202.20272.00842.00843.09332.54982.5498
F41.37892.36982.00842.22842.62492.64733.3154
F51.37892.36982.00842.22842.62493.31542.6473
H62.14391.09773.09332.62492.62491.78861.7886
H72.15411.09782.54982.64733.31541.78861.7878
H82.15411.09782.54983.31542.64731.78861.7878

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 109.327 C1 C2 H7 110.123
C1 C2 H8 110.123 C2 C1 H3 113.793
C2 C1 F4 109.932 C2 C1 F5 109.932
H3 C1 F4 107.584 H3 C1 F5 107.584
F4 C1 F5 107.810 H6 C2 H7 109.107
H6 C2 H8 109.107 H7 C2 H8 109.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.435      
2 C -0.516      
3 H 0.122      
4 F -0.280      
5 F -0.280      
6 H 0.182      
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
  -0.321 1.866 0.000 1.894
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.237 0.482 0.000
y 0.482 -22.265 0.000
z 0.000 0.000 -24.351
Traceless
 xyz
x 2.071 0.482 0.000
y 0.482 0.529 0.000
z 0.000 0.000 -2.600
Polar
3z2-r2-5.200
x2-y21.028
xy0.482
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.580 -0.091 0.000
y -0.091 3.543 0.000
z 0.000 0.000 3.556


<r2> (average value of r2) Å2
<r2> 72.678
(<r2>)1/2 8.525