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

using model chemistry: B97D3/daug-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 B97D3/daug-cc-pVTZ
 hartrees
Energy at 0K-278.280447
Energy at 298.15K 
HF Energy-278.280447
Nuclear repulsion energy131.178411
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/daug-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' 3089 3089 16.19 38.52 0.72 0.84
2 A' 3005 3005 10.93 245.57 0.02 0.05
3 A' 3003 3003 33.62 40.83 0.73 0.85
4 A' 1456 1456 4.29 4.19 0.75 0.86
5 A' 1392 1392 53.48 0.72 0.66 0.80
6 A' 1356 1356 6.14 1.16 0.38 0.55
7 A' 1129 1129 21.18 2.55 0.04 0.07
8 A' 1091 1091 118.13 3.28 0.73 0.84
9 A' 845 845 9.42 7.15 0.12 0.22
10 A' 552 552 5.15 1.08 0.24 0.38
11 A' 452 452 10.15 0.98 0.60 0.75
12 A" 3083 3083 11.62 52.72 0.75 0.86
13 A" 1456 1456 1.12 3.41 0.75 0.86
14 A" 1340 1340 13.71 3.85 0.75 0.86
15 A" 1093 1093 118.99 1.68 0.75 0.86
16 A" 896 896 113.94 2.75 0.75 0.86
17 A" 376 376 0.40 0.47 0.75 0.86
18 A" 225 225 0.04 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12918.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12918.7 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/daug-cc-pVTZ
ABC
0.30943 0.29522 0.16924

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.167 0.000
C2 -0.900 1.049 0.000
H3 1.274 0.711 0.000
F4 0.322 -0.656 1.111
F5 0.322 -0.656 -1.111
H6 -1.802 0.431 0.000
H7 -0.896 1.684 0.890
H8 -0.896 1.684 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50761.09701.38231.38232.14002.13972.1397
C21.50762.20102.37402.37401.09291.09311.0931
H31.09702.20102.00242.00243.08892.54002.5400
F41.38232.37402.00242.22192.63172.64723.3110
F51.38232.37402.00242.22192.63173.31102.6472
H62.14001.09293.08892.63172.63171.78351.7835
H72.13971.09312.54002.64723.31101.78351.7800
H82.13971.09312.54003.31102.64721.78351.7800

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 109.728 C1 C2 H7 109.694
C1 C2 H8 109.694 C2 C1 H3 114.427
C2 C1 F4 110.388 C2 C1 F5 110.388
H3 C1 F4 107.168 H3 C1 F5 107.168
F4 C1 F5 106.966 H6 C2 H7 109.348
H6 C2 H8 109.348 H7 C2 H8 109.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.678      
2 C -0.981      
3 H 0.533      
4 F -0.797      
5 F -0.797      
6 H 0.097      
7 H 0.134      
8 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.378 2.218 0.000 2.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.663 0.451 0.000
y 0.451 -23.036 0.000
z 0.000 0.000 -25.539
Traceless
 xyz
x 2.624 0.451 0.000
y 0.451 0.565 0.000
z 0.000 0.000 -3.189
Polar
3z2-r2-6.378
x2-y21.373
xy0.451
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.613 -0.232 0.000
y -0.232 4.661 0.000
z 0.000 0.000 4.624


<r2> (average value of r2) Å2
<r2> 73.130
(<r2>)1/2 8.552