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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-1523.232074
Energy at 298.15K-1523.233576
HF Energy-1522.483017
Nuclear repulsion energy427.669434
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 CCD/3-21G*
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' 3039 2907 24.51      
2 A' 1729 1654 44.31      
3 A' 1439 1376 6.74      
4 A' 997 954 30.38      
5 A' 859 821 60.81      
6 A' 630 603 60.01      
7 A' 437 418 2.39      
8 A' 322 308 3.14      
9 A' 273 261 2.14      
10 A' 212 203 2.58      
11 A" 1038 993 31.65      
12 A" 734 702 92.88      
13 A" 333 318 2.11      
14 A" 247 236 1.61      
15 A" 93 89 6.54      

Unscaled Zero Point Vibrational Energy (zpe) 6190.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 5921.3 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 CCD/3-21G*
ABC
0.06106 0.05342 0.04929

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.053 0.044 0.000
C2 0.937 -1.237 0.000
O3 0.487 -2.377 0.000
Cl4 -1.671 -0.377 0.000
Cl5 0.487 0.988 1.471
Cl6 0.487 0.988 -1.471
H7 2.007 -0.985 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.55572.45921.77541.80061.80062.2083
C21.55571.22572.74622.70432.70431.0995
O32.45921.22572.94243.67203.67202.0609
Cl41.77542.74622.94242.94722.94723.7285
Cl51.80062.70433.67202.94722.94152.8924
Cl61.80062.70433.67202.94722.94152.8924
H72.20831.09952.06093.72852.89242.8924

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.870 C1 C2 H7 111.385
C2 C1 Cl4 110.887 C2 C1 Cl5 107.136
C2 C1 Cl6 107.136 O3 C2 H7 124.745
Cl4 C1 Cl5 111.001 Cl4 C1 Cl6 111.001
Cl5 C1 Cl6 109.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability