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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-613.125113
Energy at 298.15K-613.128356
HF Energy-612.935488
Nuclear repulsion energy148.025003
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 B2PLYP/6-31G*
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' 3213 3050 4.07      
2 A' 3107 2949 0.37      
3 A' 1891 1795 266.55      
4 A' 1512 1435 13.87      
5 A' 1435 1362 21.91      
6 A' 1144 1086 149.69      
7 A' 982 933 67.87      
8 A' 609 578 135.84      
9 A' 438 416 21.51      
10 A' 347 329 1.29      
11 A" 3187 3025 0.45      
12 A" 1515 1438 11.88      
13 A" 1074 1019 3.91      
14 A" 519 493 2.63      
15 A" 137 130 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 10554.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 10018.5 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 B2PLYP/6-31G*
ABC
0.33590 0.16185 0.11149

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.541 0.000
C2 1.490 0.725 0.000
O3 -0.845 1.379 0.000
Cl4 -0.455 -1.230 0.000
H5 1.714 1.791 0.000
H6 1.919 0.244 0.882
H7 1.919 0.244 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50121.19041.82802.12192.13252.1325
C21.50122.42462.75731.08981.09201.0920
O31.19042.42462.63822.59193.11503.1150
Cl41.82802.75732.63823.71922.93022.9302
H52.12191.08982.59193.71921.79231.7923
H62.13251.09203.11502.93021.79231.7636
H72.13251.09203.11502.93021.79231.7636

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 108.926 C1 C2 H6 109.630
C1 C2 H7 109.630 C2 C1 O3 128.158
C2 C1 Cl4 111.455 O3 C1 Cl4 120.387
H5 C2 H6 110.462 H5 C2 H7 110.462
H6 C2 H7 107.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.313      
2 C -0.528      
3 O -0.325      
4 Cl -0.083      
5 H 0.203      
6 H 0.210      
7 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.806 0.427 0.000 2.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.439 2.288 0.000
y 2.288 -32.392 0.000
z 0.000 0.000 -29.338
Traceless
 xyz
x 1.426 2.288 0.000
y 2.288 -3.003 0.000
z 0.000 0.000 1.577
Polar
3z2-r23.155
x2-y22.953
xy2.288
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.841 0.393 0.000
y 0.393 6.786 0.000
z 0.000 0.000 3.170


<r2> (average value of r2) Å2
<r2> 102.385
(<r2>)1/2 10.119