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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-1530.286906
Energy at 298.15K-1530.288626
HF Energy-1529.580995
Nuclear repulsion energy434.722915
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 CISD/6-31G*
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' 3171 2936 24.76      
2 A' 1972 1826 148.52      
3 A' 1480 1370 13.18      
4 A' 1137 1052 26.64      
5 A' 948 878 93.56      
6 A' 676 626 65.39      
7 A' 479 444 2.05      
8 A' 342 317 4.12      
9 A' 294 272 2.08      
10 A' 219 203 3.34      
11 A" 1096 1015 31.77      
12 A" 833 771 119.24      
13 A" 350 324 2.25      
14 A" 267 247 2.20      
15 A" 82 76 8.24      

Unscaled Zero Point Vibrational Energy (zpe) 6673.1 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 6177.9 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 CISD/6-31G*
ABC
0.06237 0.05535 0.05129

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.044 0.000
C2 0.921 -1.221 0.000
O3 0.486 -2.327 0.000
Cl4 -1.657 -0.350 0.000
Cl5 0.486 0.959 1.451
Cl6 0.486 0.959 -1.451
H7 1.991 -0.986 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53812.41221.74761.77081.77082.2016
C21.53811.18932.72112.65422.65421.0955
O32.41221.18932.91613.59263.59262.0160
Cl41.74762.72112.91612.90012.90013.7032
Cl51.77082.65423.59262.90012.90132.8556
Cl61.77082.65423.59262.90012.90132.8556
H72.20161.09552.01603.70322.85562.8556

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.856 C1 C2 H7 112.341
C2 C1 Cl4 111.662 C2 C1 Cl5 106.458
C2 C1 Cl6 106.458 O3 C2 H7 123.803
Cl4 C1 Cl5 111.029 Cl4 C1 Cl6 111.029
Cl5 C1 Cl6 110.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability