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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-1513.130914
Energy at 298.15K-1513.131953
HF Energy-1512.909768
Nuclear repulsion energy415.669671
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=FULL/STO-3G
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' 3345 2974 8.24      
2 A' 1723 1532 35.71      
3 A' 1445 1285 32.20      
4 A' 1084 963 17.93      
5 A' 977 869 72.21      
6 A' 639 568 45.08      
7 A' 457 406 1.10      
8 A' 306 272 10.01      
9 A' 256 227 2.79      
10 A' 178 158 0.65      
11 A" 1003 891 82.30      
12 A" 855 760 32.90      
13 A" 298 265 0.00      
14 A" 221 196 2.90      
15 A" 66 58 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 6425.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 5711.8 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=FULL/STO-3G
ABC
0.05814 0.05032 0.04640

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.077 0.042 0.000
C2 0.979 -1.293 0.000
O3 0.491 -2.448 0.000
Cl4 -1.709 -0.399 0.000
Cl5 0.491 1.027 1.508
Cl6 0.491 1.027 -1.508
H7 2.072 -1.043 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.61102.52471.83971.84831.84832.2709
C21.61101.25382.83192.80992.80991.1215
O32.52471.25383.00633.78863.78862.1148
Cl41.83972.83193.00633.02483.02483.8350
Cl51.84832.80993.78863.02483.01673.0100
Cl61.84832.80993.78863.02483.01673.0100
H72.27091.12152.11483.83503.01003.0100

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.113 C1 C2 H7 111.149
C2 C1 Cl4 110.128 C2 C1 Cl5 108.441
C2 C1 Cl6 108.441 O3 C2 H7 125.739
Cl4 C1 Cl5 110.201 Cl4 C1 Cl6 110.201
Cl5 C1 Cl6 109.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability