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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-1529.897299
Energy at 298.15K-1529.898549
HF Energy-1529.422750
Nuclear repulsion energy412.978789
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/SDD
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' 3063 2957 30.68      
2 A' 1569 1514 73.39      
3 A' 1408 1359 6.56      
4 A' 1025 989 21.56      
5 A' 811 783 62.72      
6 A' 583 563 61.98      
7 A' 400 386 3.51      
8 A' 296 286 3.77      
9 A' 255 246 1.83      
10 A' 194 187 2.45      
11 A" 1012 977 34.16      
12 A" 679 656 89.87      
13 A" 317 306 3.20      
14 A" 232 224 1.78      
15 A" 83 80 9.51      

Unscaled Zero Point Vibrational Energy (zpe) 5962.9 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 5756.0 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/SDD
ABC
0.05615 0.05015 0.04618

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.017 0.000
C2 0.956 -1.257 0.000
O3 0.516 -2.433 0.000
Cl4 -1.751 -0.378 0.000
Cl5 0.516 1.010 1.534
Cl6 0.516 1.010 -1.534
H7 2.037 -1.014 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.55902.49181.85161.88381.88382.2312
C21.55901.25532.84702.77262.77261.1073
O32.49181.25533.05983.76883.76882.0799
Cl41.85162.84703.05983.06873.06873.8411
Cl51.88382.77263.76883.06873.06792.9602
Cl61.88382.77263.76883.06873.06792.9602
H72.23121.10732.07993.84112.96022.9602

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.249 C1 C2 H7 112.505
C2 C1 Cl4 112.897 C2 C1 Cl5 106.903
C2 C1 Cl6 106.903 O3 C2 H7 123.245
Cl4 C1 Cl5 110.468 Cl4 C1 Cl6 110.468
Cl5 C1 Cl6 109.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability