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

using model chemistry: B2PLYP=FULLultrafine/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-278.268968
Energy at 298.15K 
HF Energy-277.972224
Nuclear repulsion energy132.313513
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/aug-cc-pVTZ
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' 3161 3032 13.31 31.96 0.66 0.79
2 A' 3106 2979 28.62 109.98 0.24 0.38
3 A' 3077 2951 2.43 153.67 0.01 0.01
4 A' 1502 1440 4.80 4.13 0.75 0.86
5 A' 1448 1389 62.08 0.67 0.42 0.60
6 A' 1404 1346 2.71 0.75 0.45 0.62
7 A' 1170 1122 24.15 2.69 0.03 0.05
8 A' 1148 1101 107.72 3.35 0.74 0.85
9 A' 878 843 9.08 7.00 0.11 0.20
10 A' 568 544 5.59 0.93 0.26 0.41
11 A' 467 448 12.32 0.87 0.60 0.75
12 A" 3157 3028 7.94 47.21 0.75 0.86
13 A" 1502 1440 1.11 3.15 0.75 0.86
14 A" 1392 1335 16.36 3.49 0.75 0.86
15 A" 1145 1099 137.39 1.95 0.75 0.86
16 A" 949 910 89.28 2.59 0.75 0.86
17 A" 385 369 0.23 0.39 0.75 0.86
18 A" 231 222 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13343.6 cm-1
Scaled (by 0.9591) Zero Point Vibrational Energy (zpe) 12797.8 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/aug-cc-pVTZ
ABC
0.31556 0.29988 0.17244

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.168 0.000
C2 -0.899 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 -1.787 0.410 0.000
H7 -0.901 1.666 0.886
H8 -0.901 1.666 -0.886

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49791.08831.36951.36952.12212.12722.1272
C21.49792.18672.35342.35341.08691.08681.0868
H31.08832.18671.98741.98743.06552.52622.5262
F41.36952.35341.98742.19822.60262.62713.2857
F51.36952.35341.98742.19822.60263.28572.6271
H62.12211.08693.06552.60262.60261.77421.7742
H72.12721.08682.52622.62713.28571.77421.7715
H82.12721.08682.52623.28572.62711.77421.7715

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 109.334 C1 C2 H7 109.749
C1 C2 H8 109.749 C2 C1 H3 114.527
C2 C1 F4 110.237 C2 C1 F5 110.237
H3 C1 F4 107.373 H3 C1 F5 107.373
F4 C1 F5 106.753 H6 C2 H7 109.408
H6 C2 H8 109.408 H7 C2 H8 109.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.531      
2 C -0.859      
3 H 0.298      
4 F -0.388      
5 F -0.388      
6 H 0.246      
7 H 0.280      
8 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.361 2.300 0.000 2.328
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.709 0.517 0.005
y 0.517 -23.171 -0.009
z 0.005 -0.009 -25.736
Traceless
 xyz
x 2.744 0.517 0.005
y 0.517 0.552 -0.009
z 0.005 -0.009 -3.296
Polar
3z2-r2-6.591
x2-y21.461
xy0.517
xz0.005
yz-0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.339 -0.200 -0.000
y -0.200 4.398 0.001
z -0.000 0.001 4.380


<r2> (average value of r2) Å2
<r2> 72.184
(<r2>)1/2 8.496