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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-278.428547
Energy at 298.15K 
HF Energy-278.428547
Nuclear repulsion energy131.930272
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/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' 3129 3028 14.34 34.46 0.68 0.81
2 A' 3067 2968 30.56 119.01 0.23 0.37
3 A' 3050 2951 2.69 152.66 0.00 0.01
4 A' 1484 1436 4.81 4.19 0.75 0.86
5 A' 1429 1383 57.50 0.60 0.57 0.72
6 A' 1390 1345 5.03 0.98 0.40 0.57
7 A' 1157 1119 27.93 2.51 0.04 0.08
8 A' 1129 1093 110.47 3.24 0.75 0.86
9 A' 868 840 8.54 6.78 0.12 0.21
10 A' 564 546 5.43 0.92 0.27 0.42
11 A' 462 447 11.99 0.90 0.59 0.74
12 A" 3125 3023 8.97 49.84 0.75 0.86
13 A" 1485 1437 1.22 3.25 0.75 0.86
14 A" 1376 1331 15.28 3.67 0.75 0.86
15 A" 1131 1094 133.94 1.88 0.75 0.86
16 A" 934 904 95.73 2.68 0.75 0.86
17 A" 381 369 0.30 0.41 0.75 0.86
18 A" 227 219 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13194.2 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12765.4 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 B3LYP/aug-cc-pVTZ
ABC
0.31404 0.29771 0.17130

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.167 0.000
C2 -0.899 1.043 0.000
H3 1.268 0.710 0.000
F4 0.321 -0.652 1.102
F5 0.321 -0.652 -1.102
H6 -1.793 0.422 0.000
H7 -0.899 1.675 0.887
H8 -0.899 1.675 -0.887

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50231.09121.37311.37312.13032.13342.1334
C21.50232.19222.36182.36181.08901.08891.0889
H31.09122.19221.99141.99143.07492.53272.5327
F41.37312.36181.99142.20412.61582.63703.2958
F51.37312.36181.99142.20412.61583.29582.6370
H62.13031.08903.07492.61582.61581.77651.7765
H72.13341.08892.53272.63703.29581.77651.7734
H82.13341.08892.53273.29582.63701.77651.7734

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 109.560 C1 C2 H7 109.811
C1 C2 H8 109.811 C2 C1 H3 114.476
C2 C1 F4 110.364 C2 C1 F5 110.364
H3 C1 F4 107.268 H3 C1 F5 107.268
F4 C1 F5 106.752 H6 C2 H7 109.305
H6 C2 H8 109.305 H7 C2 H8 109.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.631      
2 C -0.735      
3 H 0.250      
4 F -0.406      
5 F -0.406      
6 H 0.200      
7 H 0.232      
8 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.372 2.307 0.000 2.337
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.695 0.488 0.000
y 0.488 -23.170 0.000
z 0.000 0.000 -25.760
Traceless
 xyz
x 2.770 0.488 0.000
y 0.488 0.557 0.000
z 0.000 0.000 -3.328
Polar
3z2-r2-6.655
x2-y21.475
xy0.488
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.419 -0.208 0.000
y -0.208 4.472 0.000
z 0.000 0.000 4.443


<r2> (average value of r2) Å2
<r2> 72.555
(<r2>)1/2 8.518