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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-612.533028
Energy at 298.15K-612.536343
HF Energy-611.907861
Nuclear repulsion energy148.508472
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/TZVP
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' 3228 3059 3.70      
2 A' 3110 2948 0.75      
3 A' 1853 1757 262.63      
4 A' 1490 1412 11.18      
5 A' 1421 1347 23.09      
6 A' 1140 1081 152.73      
7 A' 980 929 65.37      
8 A' 618 586 134.96      
9 A' 447 424 24.32      
10 A' 353 335 1.02      
11 A" 3203 3036 0.29      
12 A" 1487 1410 13.16      
13 A" 1062 1007 1.69      
14 A" 518 491 2.47      
15 A" 156 148 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10533.3 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 9984.5 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 MP2/TZVP
ABC
0.33747 0.16317 0.11227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.535 0.000
C2 1.485 0.718 0.000
O3 -0.842 1.376 0.000
Cl4 -0.453 -1.222 0.000
H5 1.715 1.780 0.000
H6 1.907 0.234 0.879
H7 1.907 0.234 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49651.19011.81472.11932.12102.1210
C21.49652.41802.74301.08661.08851.0885
O31.19012.41802.62752.58803.10333.1033
Cl41.81472.74302.62753.70362.90932.9093
H52.11931.08662.58803.70361.78901.7890
H62.12101.08853.10332.90931.78901.7583
H72.12101.08853.10332.90931.78901.7583

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 109.236 C1 C2 H6 109.257
C1 C2 H7 109.257 C2 C1 O3 127.962
C2 C1 Cl4 111.509 O3 C1 Cl4 120.530
H5 C2 H6 110.665 H5 C2 H7 110.665
H6 C2 H7 107.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability