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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-278.426701
Energy at 298.15K 
HF Energy-278.426701
Nuclear repulsion energy131.784426
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 B3LYP/TZVP
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' 3136 3028 15.62 39.02 0.70 0.83
2 A' 3075 2969 36.76 115.88 0.27 0.43
3 A' 3055 2950 2.54 133.90 0.01 0.02
4 A' 1487 1436 4.99 7.95 0.75 0.86
5 A' 1437 1387 64.11 1.95 0.60 0.75
6 A' 1394 1346 7.28 1.27 0.74 0.85
7 A' 1161 1121 31.66 1.52 0.03 0.05
8 A' 1129 1090 115.90 3.77 0.75 0.86
9 A' 869 839 9.92 6.00 0.22 0.36
10 A' 567 547 6.34 1.11 0.44 0.61
11 A' 465 448 13.02 1.20 0.65 0.79
12 A" 3131 3023 9.85 53.35 0.75 0.86
13 A" 1488 1436 1.09 6.50 0.75 0.86
14 A" 1395 1347 23.06 7.87 0.75 0.86
15 A" 1136 1096 134.00 2.21 0.75 0.86
16 A" 936 904 98.34 4.48 0.75 0.86
17 A" 384 371 0.16 0.42 0.75 0.86
18 A" 234 226 0.06 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13239.0 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 12781.0 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 B3LYP/TZVP
ABC
0.31288 0.29746 0.17087

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.166 0.000
C2 -0.899 1.044 0.000
H3 1.269 0.710 0.000
F4 0.322 -0.653 1.104
F5 0.322 -0.653 -1.104
H6 -1.796 0.424 0.000
H7 -0.899 1.677 0.887
H8 -0.899 1.677 -0.887

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50331.09231.37451.37452.13302.13592.1359
C21.50332.19262.36362.36361.09021.09021.0902
H31.09232.19261.99341.99343.07752.53412.5341
F41.37452.36361.99342.20882.61962.63913.2993
F51.37452.36361.99342.20882.61963.29932.6391
H62.13301.09023.07752.61962.61961.77781.7778
H72.13591.09022.53412.63913.29931.77781.7749
H82.13591.09022.53413.29932.63911.77781.7749

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 109.629 C1 C2 H7 109.862
C1 C2 H8 109.862 C2 C1 H3 114.358
C2 C1 F4 110.352 C2 C1 F5 110.352
H3 C1 F4 107.261 H3 C1 F5 107.261
F4 C1 F5 106.929 H6 C2 H7 109.244
H6 C2 H8 109.244 H7 C2 H8 108.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.264      
2 C -0.330      
3 H 0.095      
4 F -0.213      
5 F -0.213      
6 H 0.138      
7 H 0.129      
8 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.371 2.380 0.000 2.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.653 0.518 0.000
y 0.518 -23.164 0.000
z 0.000 0.000 -25.819
Traceless
 xyz
x 2.839 0.518 0.000
y 0.518 0.572 0.000
z 0.000 0.000 -3.411
Polar
3z2-r2-6.821
x2-y21.511
xy0.518
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.864 -0.099 0.000
y -0.099 3.923 0.000
z 0.000 0.000 3.935


<r2> (average value of r2) Å2
<r2> 72.691
(<r2>)1/2 8.526