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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-612.458337
Energy at 298.15K-612.461646
HF Energy-611.864498
Nuclear repulsion energy147.910433
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/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' 3234 3080 2.89      
2 A' 3106 2958 0.89      
3 A' 1875 1786 239.63      
4 A' 1461 1392 12.11      
5 A' 1385 1319 23.73      
6 A' 1127 1074 162.54      
7 A' 979 933 46.43      
8 A' 610 581 134.45      
9 A' 442 421 20.60      
10 A' 350 333 0.79      
11 A" 3212 3059 0.05      
12 A" 1470 1400 11.84      
13 A" 1042 993 3.22      
14 A" 522 497 1.78      
15 A" 164 156 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 10489.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 9990.8 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 MP2/cc-pVDZ
ABC
0.33272 0.16273 0.11158

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.538 0.000
C2 1.497 0.702 0.000
O3 -0.837 1.391 0.000
Cl4 -0.462 -1.220 0.000
H5 1.745 1.772 0.000
H6 1.915 0.205 0.889
H7 1.915 0.205 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50561.19501.81812.13762.13722.1372
C21.50562.43342.74441.09891.10081.1008
O31.19502.43342.63812.61053.12553.1255
Cl41.81812.74442.63813.71872.91092.9109
H52.13761.09892.61053.71871.80941.8094
H62.13721.10083.12552.91091.80941.7782
H72.13721.10083.12552.91091.80941.7782

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 109.322 C1 C2 H6 109.183
C1 C2 H7 109.183 C2 C1 O3 128.223
C2 C1 Cl4 110.968 O3 C1 Cl4 120.809
H5 C2 H6 110.683 H5 C2 H7 110.683
H6 C2 H7 107.750
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability