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

using model chemistry: B3PW91/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 B3PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-278.321982
Energy at 298.15K 
HF Energy-278.321982
Nuclear repulsion energy132.318410
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 B3PW91/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' 3145 3145 11.46 36.02 0.70 0.82
2 A' 3065 3065 33.76 126.33 0.19 0.32
3 A' 3058 3058 2.73 140.54 0.01 0.01
4 A' 1477 1477 5.42 4.21 0.75 0.86
5 A' 1425 1425 67.11 0.69 0.50 0.67
6 A' 1381 1381 1.31 0.76 0.40 0.57
7 A' 1157 1157 49.09 2.90 0.11 0.19
8 A' 1142 1142 87.85 2.78 0.69 0.82
9 A' 873 873 6.79 6.51 0.12 0.22
10 A' 567 567 4.79 0.85 0.27 0.43
11 A' 465 465 11.97 0.87 0.57 0.73
12 A" 3142 3142 7.55 48.10 0.75 0.86
13 A" 1477 1477 0.96 3.07 0.75 0.86
14 A" 1375 1375 16.41 3.81 0.75 0.86
15 A" 1139 1139 154.06 1.94 0.75 0.86
16 A" 943 943 73.41 2.29 0.75 0.86
17 A" 381 381 0.31 0.39 0.75 0.86
18 A" 228 228 0.04 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13220.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13220.5 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 B3PW91/daug-cc-pVTZ
ABC
0.31628 0.29925 0.17238

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.164 0.000
C2 -0.896 1.041 0.000
H3 1.267 0.711 0.000
F4 0.321 -0.650 1.098
F5 0.321 -0.650 -1.098
H6 -1.792 0.421 0.000
H7 -0.896 1.673 0.887
H8 -0.896 1.673 -0.887

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49981.09341.36671.36672.12852.13202.1320
C21.49982.18862.35472.35471.08981.08961.0896
H31.09342.18861.98831.98833.07352.52872.5287
F41.36672.35471.98832.19562.61082.63123.2892
F51.36672.35471.98832.19562.61083.28922.6312
H62.12851.08983.07352.61082.61081.77751.7775
H72.13201.08962.52872.63123.28921.77751.7744
H82.13201.08962.52873.28922.63121.77751.7744

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 109.543 C1 C2 H7 109.837
C1 C2 H8 109.837 C2 C1 H3 114.213
C2 C1 F4 110.381 C2 C1 F5 110.381
H3 C1 F4 107.329 H3 C1 F5 107.329
F4 C1 F5 106.886 H6 C2 H7 109.292
H6 C2 H8 109.292 H7 C2 H8 109.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.558      
2 C -1.334      
3 H 0.616      
4 F -0.766      
5 F -0.766      
6 H 0.184      
7 H 0.255      
8 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.369 2.233 0.000 2.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.482 0.471 0.000
y 0.471 -22.892 0.000
z 0.000 0.000 -25.389
Traceless
 xyz
x 2.658 0.471 0.000
y 0.471 0.544 0.000
z 0.000 0.000 -3.202
Polar
3z2-r2-6.405
x2-y21.409
xy0.471
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.400 -0.204 0.000
y -0.204 4.434 0.000
z 0.000 0.000 4.398


<r2> (average value of r2) Å2
<r2> 72.052
(<r2>)1/2 8.488