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

using model chemistry: HF/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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-611.931073
Energy at 298.15K-611.934537
Nuclear repulsion energy150.323450
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-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' 3288 2993 8.33      
2 A' 3191 2905 1.47      
3 A' 2044 1861 425.43      
4 A' 1582 1440 11.75      
5 A' 1525 1389 15.21      
6 A' 1213 1105 164.73      
7 A' 1036 943 82.77      
8 A' 654 595 149.86      
9 A' 491 447 13.52      
10 A' 366 334 1.51      
11 A" 3262 2970 2.84      
12 A" 1590 1448 11.22      
13 A" 1148 1045 3.32      
14 A" 572 521 5.34      
15 A" 156 142 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11059.3 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 10068.4 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 HF/aug-cc-pVTZ
ABC
0.34652 0.16647 0.11481

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.524 0.000
C2 1.486 0.720 0.000
O3 -0.822 1.342 0.000
Cl4 -0.462 -1.204 0.000
H5 1.699 1.778 0.000
H6 1.910 0.247 0.875
H7 1.910 0.247 -0.875

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49901.16031.78902.11212.11892.1189
C21.49902.39082.73871.07911.08131.0813
O31.16032.39082.57212.55913.07093.0709
Cl41.78902.73872.57213.68342.91532.9153
H52.11211.07912.55913.68341.77591.7759
H62.11891.08133.07092.91531.77591.7500
H72.11891.08133.07092.91531.77591.7500

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 108.930 C1 C2 H6 109.339
C1 C2 H7 109.339 C2 C1 O3 127.606
C2 C1 Cl4 112.502 O3 C1 Cl4 119.892
H5 C2 H6 110.584 H5 C2 H7 110.584
H6 C2 H7 108.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.470      
2 C -0.714      
3 O -0.538      
4 Cl -0.220      
5 H 0.321      
6 H 0.340      
7 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.988 0.039 0.000 2.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.736 2.983 0.000
y 2.983 -32.998 0.000
z 0.000 0.000 -29.542
Traceless
 xyz
x 1.535 2.983 0.000
y 2.983 -3.359 0.000
z 0.000 0.000 1.824
Polar
3z2-r23.648
x2-y23.262
xy2.983
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.108 0.335 0.000
y 0.335 7.259 0.000
z 0.000 0.000 4.644


<r2> (average value of r2) Å2
<r2> 100.338
(<r2>)1/2 10.017