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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-613.548968
Energy at 298.15K-613.552193
HF Energy-613.548968
Nuclear repulsion energy148.276333
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 B3LYPultrafine/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' 3146 3043 5.47      
2 A' 3052 2953 0.43      
3 A' 1882 1821 336.25      
4 A' 1465 1418 12.23      
5 A' 1393 1348 22.36      
6 A' 1113 1077 136.30      
7 A' 955 924 72.26      
8 A' 594 575 130.15      
9 A' 425 411 27.81      
10 A' 341 330 2.22      
11 A" 3119 3017 0.17      
12 A" 1467 1420 12.46      
13 A" 1049 1015 2.87      
14 A" 520 503 1.85      
15 A" 133 129 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 10326.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9991.3 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.33898 0.16151 0.11164

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.530 0.000
C2 1.490 0.724 0.000
O3 -0.830 1.370 0.000
Cl4 -0.462 -1.222 0.000
H5 1.709 1.789 0.000
H6 1.921 0.247 0.879
H7 1.921 0.247 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50261.18061.81132.12302.13162.1316
C21.50262.40802.75611.08701.08911.0891
O31.18062.40802.61722.57373.09853.0985
Cl41.81132.75612.61723.71182.93422.9342
H52.12301.08702.57373.71181.78721.7872
H62.13161.08913.09852.93421.78721.7580
H72.13161.08913.09852.93421.78721.7580

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 109.079 C1 C2 H6 109.630
C1 C2 H7 109.630 C2 C1 O3 127.230
C2 C1 Cl4 112.207 O3 C1 Cl4 120.563
H5 C2 H6 110.428 H5 C2 H7 110.428
H6 C2 H7 107.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.447      
2 C -0.523      
3 O -0.465      
4 Cl -0.208      
5 H 0.230      
6 H 0.260      
7 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.864 0.305 0.000 2.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.660 2.739 0.000
y 2.739 -32.894 0.000
z 0.000 0.000 -29.683
Traceless
 xyz
x 1.628 2.739 0.000
y 2.739 -3.222 0.000
z 0.000 0.000 1.594
Polar
3z2-r23.188
x2-y23.234
xy2.739
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.781 0.452 0.000
y 0.452 8.225 0.000
z 0.000 0.000 4.982


<r2> (average value of r2) Å2
<r2> 102.470
(<r2>)1/2 10.123