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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-1530.462683
Energy at 298.15K-1530.464271
HF Energy-1529.581072
Nuclear repulsion energy431.929801
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 QCISD/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' 3084 2903 32.18      
2 A' 1851 1742 111.51      
3 A' 1435 1351 10.21      
4 A' 1089 1025 26.20      
5 A' 904 851 87.05      
6 A' 649 611 59.09      
7 A' 459 432 2.20      
8 A' 330 311 3.87      
9 A' 283 266 1.78      
10 A' 211 199 3.01      
11 A" 1040 979 30.08      
12 A" 793 746 111.92      
13 A" 336 317 1.84      
14 A" 257 242 1.75      
15 A" 76 72 6.83      

Unscaled Zero Point Vibrational Energy (zpe) 6398.6 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 6023.6 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 QCISD/6-31G**
ABC
0.06166 0.05461 0.05060

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.044 0.046 0.000
C2 0.925 -1.224 0.000
O3 0.489 -2.348 0.000
Cl4 -1.667 -0.353 0.000
Cl5 0.489 0.966 1.459
Cl6 0.489 0.966 -1.459
H7 1.998 -0.982 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54572.43531.75711.78121.78122.2078
C21.54571.20602.73432.66762.66761.0996
O32.43531.20602.93693.62123.62122.0356
Cl41.75712.73432.93692.91802.91803.7182
Cl51.78122.66763.62122.91802.91852.8643
Cl61.78122.66763.62122.91802.91852.8643
H72.20781.09962.03563.71822.86432.8643

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.033 C1 C2 H7 112.047
C2 C1 Cl4 111.602 C2 C1 Cl5 106.394
C2 C1 Cl6 106.394 O3 C2 H7 123.920
Cl4 C1 Cl5 111.112 Cl4 C1 Cl6 111.112
Cl5 C1 Cl6 110.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability