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

using model chemistry: B2PLYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-278.252408
Energy at 298.15K 
HF Energy-277.982099
Nuclear repulsion energy132.305393
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/Def2TZVPP
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' 3167 3167 14.29 35.00 0.68 0.81
2 A' 3108 3108 34.05 109.64 0.26 0.41
3 A' 3079 3079 2.65 135.80 0.01 0.02
4 A' 1498 1498 4.98 6.23 0.75 0.86
5 A' 1448 1448 65.45 1.50 0.40 0.57
6 A' 1404 1404 2.14 0.72 0.69 0.81
7 A' 1168 1168 31.89 1.86 0.02 0.04
8 A' 1151 1151 102.47 3.54 0.73 0.84
9 A' 878 878 8.43 6.01 0.17 0.29
10 A' 570 570 5.70 0.94 0.41 0.58
11 A' 467 467 12.28 0.94 0.64 0.78
12 A" 3163 3163 8.75 49.31 0.75 0.86
13 A" 1498 1498 0.76 4.86 0.75 0.86
14 A" 1399 1399 18.13 5.16 0.75 0.86
15 A" 1150 1150 140.20 1.92 0.75 0.86
16 A" 953 953 77.65 3.32 0.75 0.86
17 A" 384 384 0.17 0.35 0.75 0.86
18 A" 234 234 0.06 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13357.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13357.6 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 B2PLYP/Def2TZVPP
ABC
0.31554 0.29972 0.17237

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.166 0.000
C2 -0.900 1.037 0.000
H3 1.264 0.713 0.000
F4 0.322 -0.649 1.099
F5 0.322 -0.649 -1.099
H6 -1.788 0.410 0.000
H7 -0.903 1.667 0.886
H8 -0.903 1.667 -0.886

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50001.08891.36841.36842.12412.13012.1301
C21.50002.18752.35402.35401.08741.08721.0872
H31.08892.18751.98721.98723.06692.52792.5279
F41.36842.35401.98722.19842.60402.62833.2868
F51.36842.35401.98722.19842.60403.28682.6283
H62.12411.08743.06692.60402.60401.77441.7744
H72.13011.08722.52792.62833.28681.77441.7719
H82.13011.08722.52793.28682.62831.77441.7719

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 109.325 C1 C2 H7 109.807
C1 C2 H8 109.807 C2 C1 H3 114.404
C2 C1 F4 110.215 C2 C1 F5 110.215
H3 C1 F4 107.399 H3 C1 F5 107.399
F4 C1 F5 106.887 H6 C2 H7 109.367
H6 C2 H8 109.367 H7 C2 H8 109.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.329      
2 C -0.230      
3 H 0.062      
4 F -0.222      
5 F -0.222      
6 H 0.100      
7 H 0.091      
8 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.349 2.227 0.000 2.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.670 0.510 0.006
y 0.510 -23.052 -0.009
z 0.006 -0.009 -25.504
Traceless
 xyz
x 2.608 0.510 0.006
y 0.510 0.535 -0.009
z 0.006 -0.009 -3.143
Polar
3z2-r2-6.286
x2-y21.383
xy0.510
xz0.006
yz-0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.995 -0.143 -0.000
y -0.143 4.049 0.002
z -0.000 0.002 4.056


<r2> (average value of r2) Å2
<r2> 72.130
(<r2>)1/2 8.493