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

using model chemistry: B3LYPultrafine/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-613.459019
Energy at 298.15K-613.462237
Nuclear repulsion energy147.818547
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/6-31+G**
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' 3168 3050 4.45      
2 A' 3064 2949 0.47      
3 A' 1888 1817 352.43      
4 A' 1469 1414 14.13      
5 A' 1396 1344 25.57      
6 A' 1117 1075 156.65      
7 A' 961 925 68.33      
8 A' 601 579 135.17      
9 A' 432 416 23.93      
10 A' 344 331 2.09      
11 A" 3139 3022 0.27      
12 A" 1472 1417 13.94      
13 A" 1046 1007 3.31      
14 A" 516 497 1.87      
15 A" 131 126 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 10372.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 9985.1 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/6-31+G**
ABC
0.33661 0.16077 0.11105

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.537 0.000
C2 1.488 0.743 0.000
O3 -0.852 1.368 0.000
Cl4 -0.451 -1.234 0.000
H5 1.701 1.814 0.000
H6 1.925 0.267 0.882
H7 1.925 0.267 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50261.18991.82752.12692.13482.1348
C21.50262.42212.76961.09121.09371.0937
O31.18992.42212.63252.59153.11493.1149
Cl41.82752.76962.63253.73082.94552.9455
H52.12691.09122.59153.73081.79491.7949
H62.13481.09373.11492.94551.79491.7642
H72.13481.09373.11492.94551.79491.7642

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 109.133 C1 C2 H6 109.616
C1 C2 H7 109.616 C2 C1 O3 127.823
C2 C1 Cl4 112.176 O3 C1 Cl4 120.001
H5 C2 H6 110.468 H5 C2 H7 110.468
H6 C2 H7 107.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.299      
2 C -0.561      
3 O -0.290      
4 Cl -0.027      
5 H 0.189      
6 H 0.195      
7 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.020 0.284 0.000 3.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.847 2.765 0.003
y 2.765 -33.147 -0.001
z 0.003 -0.001 -29.783
Traceless
 xyz
x 1.618 2.765 0.003
y 2.765 -3.332 -0.001
z 0.003 -0.001 1.715
Polar
3z2-r23.429
x2-y23.300
xy2.765
xz0.003
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.869 0.330 0.001
y 0.330 7.724 0.001
z 0.001 0.001 4.095


<r2> (average value of r2) Å2
<r2> 103.062
(<r2>)1/2 10.152