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

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-613.545936
Energy at 298.15K-613.549161
Nuclear repulsion energy148.292359
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 B3LYP/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' 3147 3042 5.82      
2 A' 3053 2951 0.46      
3 A' 1891 1828 318.24      
4 A' 1465 1416 12.26      
5 A' 1392 1345 23.48      
6 A' 1114 1077 138.91      
7 A' 955 923 70.33      
8 A' 597 577 127.76      
9 A' 428 413 25.39      
10 A' 340 329 1.98      
11 A" 3120 3016 0.38      
12 A" 1467 1418 12.08      
13 A" 1048 1013 3.27      
14 A" 520 503 1.95      
15 A" 132 128 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 10335.0 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 9989.8 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 B3LYP/cc-pVTZ
ABC
0.33914 0.16152 0.11166

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.543 0.000
C2 1.485 0.732 0.000
O3 -0.841 1.370 0.000
Cl4 -0.454 -1.230 0.000
H5 1.711 1.796 0.000
H6 1.914 0.251 0.878
H7 1.914 0.251 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49691.17961.82992.12082.12572.1257
C21.49692.41192.75861.08721.08941.0894
O31.17962.41192.62832.58773.10053.1005
Cl41.82992.75862.62833.72052.92742.9274
H52.12081.08722.58773.72051.78851.7885
H62.12571.08943.10052.92741.78851.7561
H72.12571.08943.10052.92741.78851.7561

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 109.287 C1 C2 H6 109.544
C1 C2 H7 109.544 C2 C1 O3 128.217
C2 C1 Cl4 111.640 O3 C1 Cl4 120.142
H5 C2 H6 110.513 H5 C2 H7 110.513
H6 C2 H7 107.413
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221     0.529
2 C -0.256     -0.274
3 O -0.174     -0.373
4 Cl -0.172     -0.204
5 H 0.124     0.117
6 H 0.128     0.103
7 H 0.128     0.103


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.809 0.341 0.000 2.830
CHELPG        
AIM        
ESP 2.840 0.423 0.000 2.871


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.484 2.532 0.000
y 2.532 -32.565 0.000
z 0.000 0.000 -29.493
Traceless
 xyz
x 1.545 2.532 0.000
y 2.532 -3.077 0.000
z 0.000 0.000 1.532
Polar
3z2-r23.064
x2-y23.081
xy2.532
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.854 0.515 0.000
y 0.515 7.488 0.000
z 0.000 0.000 4.022


<r2> (average value of r2) Å2
<r2> 102.310
(<r2>)1/2 10.115