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

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-612.471687
Energy at 298.15K-612.475001
HF Energy-611.864655
Nuclear repulsion energy148.039640
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 MP2=FULL/cc-pVDZ
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' 3241 3080 2.81      
2 A' 3112 2957 0.85      
3 A' 1877 1784 239.68      
4 A' 1463 1391 12.22      
5 A' 1387 1318 24.35      
6 A' 1129 1073 163.05      
7 A' 981 932 45.68      
8 A' 611 580 134.29      
9 A' 443 421 20.54      
10 A' 351 334 0.78      
11 A" 3219 3059 0.04      
12 A" 1472 1399 11.97      
13 A" 1043 992 3.28      
14 A" 523 497 1.76      
15 A" 164 156 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 10507.5 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 9986.3 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 MP2=FULL/cc-pVDZ
ABC
0.33324 0.16305 0.11179

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.537 0.000
C2 1.495 0.701 0.000
O3 -0.837 1.390 0.000
Cl4 -0.462 -1.219 0.000
H5 1.744 1.770 0.000
H6 1.913 0.205 0.888
H7 1.913 0.205 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50411.19461.81612.13592.13532.1353
C21.50412.43142.74151.09791.09971.0997
O31.19462.43142.63602.60853.12323.1232
Cl41.81612.74152.63603.71512.90822.9082
H52.13591.09792.60853.71511.80751.8075
H62.13531.09973.12322.90821.80751.7763
H72.13531.09973.12322.90821.80751.7763

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 109.352 C1 C2 H6 109.197
C1 C2 H7 109.197 C2 C1 O3 128.205
C2 C1 Cl4 110.974 O3 C1 Cl4 120.821
H5 C2 H6 110.667 H5 C2 H7 110.667
H6 C2 H7 107.724
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability