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All results from a given calculation for CH3COCl (Acetyl Chloride)

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-611.879159
Energy at 298.15K-611.882624
Nuclear repulsion energy149.768169
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 HF/aug-cc-pVDZ
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' 3308 3012 8.19      
2 A' 3199 2913 1.69      
3 A' 2041 1859 425.29      
4 A' 1559 1419 11.67      
5 A' 1505 1371 16.69      
6 A' 1205 1097 176.02      
7 A' 1039 946 68.79      
8 A' 649 591 156.76      
9 A' 486 443 13.58      
10 A' 367 334 1.33      
11 A" 3282 2989 2.80      
12 A" 1566 1426 11.21      
13 A" 1135 1033 3.38      
14 A" 567 517 5.29      
15 A" 164 149 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11035.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 10049.0 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 HF/aug-cc-pVDZ
ABC
0.34388 0.16541 0.11405

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.527 0.000
C2 1.488 0.727 0.000
O3 -0.831 1.344 0.000
Cl4 -0.459 -1.210 0.000
H5 1.697 1.792 0.000
H6 1.912 0.250 0.881
H7 1.912 0.250 -0.881

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50091.16551.79722.11682.12362.1236
C21.50092.39972.74591.08601.08821.0882
O31.16552.39972.58162.56803.08223.0822
Cl41.79722.74592.58163.69652.92082.9208
H52.11681.08602.56803.69651.78921.7892
H62.12361.08823.08222.92081.78921.7630
H72.12361.08823.08222.92081.78921.7630

picture of Acetyl Chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 108.765 C1 C2 H6 109.176
C1 C2 H7 109.176 C2 C1 O3 127.868
C2 C1 Cl4 112.419 O3 C1 Cl4 119.713
H5 C2 H6 110.749 H5 C2 H7 110.749
H6 C2 H7 108.197
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.055      
2 C 0.507      
3 O -0.537      
4 Cl -0.149      
5 H -0.027      
6 H 0.076      
7 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.048 0.110 0.000 3.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.870 3.054 0.000
y 3.054 -33.088 0.000
z 0.000 0.000 -29.717
Traceless
 xyz
x 1.532 3.054 0.000
y 3.054 -3.294 0.000
z 0.000 0.000 1.762
Polar
3z2-r23.524
x2-y23.218
xy3.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.060 0.333 0.000
y 0.333 7.266 0.000
z 0.000 0.000 4.575


<r2> (average value of r2) Å2
<r2> 100.959
(<r2>)1/2 10.048