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

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-278.249028
Energy at 298.15K 
HF Energy-278.249028
Nuclear repulsion energy130.254395
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 BLYP/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' 3058 3063 15.55 53.24 0.74 0.85
2 A' 2973 2978 3.76 144.77 0.01 0.02
3 A' 2950 2955 60.99 108.76 0.34 0.50
4 A' 1415 1417 4.75 14.00 0.75 0.86
5 A' 1367 1370 59.17 3.84 0.69 0.82
6 A' 1328 1330 9.06 1.21 0.61 0.76
7 A' 1111 1113 23.37 1.31 0.00 0.01
8 A' 1086 1087 103.17 4.70 0.75 0.86
9 A' 838 840 9.30 6.00 0.24 0.39
10 A' 539 540 5.37 1.03 0.54 0.70
11 A' 442 442 10.15 1.28 0.67 0.81
12 A" 3053 3058 13.23 64.95 0.75 0.86
13 A" 1417 1419 0.05 10.46 0.75 0.86
14 A" 1323 1326 26.03 10.85 0.75 0.86
15 A" 1092 1093 113.10 2.38 0.75 0.86
16 A" 900 901 76.71 4.12 0.75 0.86
17 A" 363 364 0.09 0.50 0.75 0.86
18 A" 231 231 0.09 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12743.2 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 12763.6 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 BLYP/cc-pVDZ
ABC
0.30426 0.29240 0.16725

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.327 0.168 0.000
C2 -0.911 1.047 0.000
H3 1.286 0.733 0.000
F4 0.327 -0.656 1.120
F5 0.327 -0.656 -1.120
H6 -1.815 0.407 0.000
H7 -0.922 1.690 0.901
H8 -0.922 1.690 -0.901

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.51731.11291.39061.39062.15502.16482.1648
C21.51732.21872.38422.38421.10771.10751.1075
H31.11292.21872.02562.02563.11792.56942.5694
F41.39062.38422.02562.23932.64042.66683.3389
F51.39062.38422.02562.23932.64043.33892.6668
H62.15501.10773.11792.64042.64041.80451.8045
H72.16481.10752.56942.66683.33891.80451.8025
H82.16481.10752.56943.33892.66681.80451.8025

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 109.375 C1 C2 H7 110.153
C1 C2 H8 110.153 C2 C1 H3 114.156
C2 C1 F4 110.076 C2 C1 F5 110.076
H3 C1 F4 107.503 H3 C1 F5 107.503
F4 C1 F5 107.258 H6 C2 H7 109.098
H6 C2 H8 109.098 H7 C2 H8 108.939
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.304      
2 C 0.003      
3 H -0.005      
4 F -0.191      
5 F -0.191      
6 H 0.032      
7 H 0.024      
8 H 0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.326 1.919 0.000 1.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.629 0.475 0.000
y 0.475 -22.660 0.000
z 0.000 0.000 -24.753
Traceless
 xyz
x 2.077 0.475 0.000
y 0.475 0.531 0.000
z 0.000 0.000 -2.608
Polar
3z2-r2-5.216
x2-y21.031
xy0.475
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.756 -0.126 0.000
y -0.126 3.675 0.000
z 0.000 0.000 3.671


<r2> (average value of r2) Å2
<r2> 73.658
(<r2>)1/2 8.582