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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-278.241274
Energy at 298.15K 
HF Energy-278.241274
Nuclear repulsion energy132.189704
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 wB97X-D/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' 3177 3026 10.48 51.07 0.73 0.85
2 A' 3082 2936 48.87 146.54 0.19 0.32
3 A' 3073 2927 7.58 86.46 0.03 0.06
4 A' 1467 1397 14.14 12.41 0.74 0.85
5 A' 1438 1370 78.11 2.36 0.42 0.59
6 A' 1377 1311 2.05 0.67 0.75 0.85
7 A' 1169 1114 102.64 3.10 0.62 0.77
8 A' 1156 1101 35.67 3.04 0.39 0.56
9 A' 883 841 8.29 5.47 0.24 0.38
10 A' 571 544 5.76 0.87 0.55 0.71
11 A' 470 447 12.96 1.03 0.63 0.78
12 A" 3177 3026 8.32 59.86 0.75 0.86
13 A" 1469 1399 0.01 8.42 0.75 0.86
14 A" 1391 1325 33.86 9.38 0.75 0.86
15 A" 1169 1113 159.41 2.49 0.75 0.86
16 A" 961 916 50.29 3.45 0.75 0.86
17 A" 383 365 0.11 0.39 0.75 0.86
18 A" 239 228 0.08 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13325.0 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 12693.4 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 wB97X-D/cc-pVDZ
ABC
0.31559 0.29916 0.17238

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.163 0.000
C2 -0.901 1.036 0.000
H3 1.271 0.725 0.000
F4 0.323 -0.648 1.098
F5 0.323 -0.648 -1.098
H6 -1.799 0.402 0.000
H7 -0.908 1.673 0.895
H8 -0.908 1.673 -0.895

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50361.10251.36481.36482.13572.14392.1439
C21.50362.19482.35342.35341.09901.09831.0983
H31.10252.19481.99731.99733.08762.53962.5396
F41.36482.35341.99732.19622.60992.63463.2972
F51.36482.35341.99732.19622.60993.29722.6346
H62.13571.09903.08762.60992.60991.79131.7913
H72.14391.09832.53962.63463.29721.79131.7895
H82.14391.09832.53963.29722.63461.79131.7895

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 109.302 C1 C2 H7 109.990
C1 C2 H8 109.990 C2 C1 H3 113.856
C2 C1 F4 110.168 C2 C1 F5 110.168
H3 C1 F4 107.623 H3 C1 F5 107.623
F4 C1 F5 107.140 H6 C2 H7 109.217
H6 C2 H8 109.217 H7 C2 H8 109.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.338      
2 C -0.112      
3 H 0.029      
4 F -0.221      
5 F -0.221      
6 H 0.068      
7 H 0.060      
8 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.325 2.082 0.000 2.107
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.251 0.549 0.000
y 0.549 -22.443 0.000
z 0.000 0.000 -24.711
Traceless
 xyz
x 2.326 0.549 0.000
y 0.549 0.538 0.000
z 0.000 0.000 -2.864
Polar
3z2-r2-5.728
x2-y21.192
xy0.549
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.520 -0.087 0.000
y -0.087 3.448 0.000
z 0.000 0.000 3.450


<r2> (average value of r2) Å2
<r2> 71.858
(<r2>)1/2 8.477