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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1530.543364
Energy at 298.15K-1530.544925
HF Energy-1529.658321
Nuclear repulsion energy430.832609
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/cc-pVDZ
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' 3032 2882 39.16      
2 A' 1804 1715 99.59      
3 A' 1387 1318 9.53      
4 A' 1067 1014 28.27      
5 A' 883 839 93.63      
6 A' 641 609 59.91      
7 A' 452 429 3.05      
8 A' 325 309 3.43      
9 A' 276 262 1.30      
10 A' 205 195 2.67      
11 A" 1018 968 28.19      
12 A" 771 732 122.44      
13 A" 334 317 2.30      
14 A" 254 241 1.15      
15 A" 85 81 5.03      

Unscaled Zero Point Vibrational Energy (zpe) 6266.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 5955.4 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/cc-pVDZ
ABC
0.06136 0.05433 0.05035

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.043 0.045 0.000
C2 0.926 -1.229 0.000
O3 0.490 -2.354 0.000
Cl4 -1.671 -0.354 0.000
Cl5 0.490 0.968 1.463
Cl6 0.490 0.968 -1.463
H7 2.010 -0.970 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54982.43981.76041.78661.78662.2135
C21.54981.20632.74062.67542.67541.1145
O32.43981.20632.94423.62983.62982.0553
Cl41.76042.74062.94422.92592.92593.7327
Cl51.78662.67543.62982.92592.92552.8652
Cl61.78662.67543.62982.92592.92552.8652
H72.21351.11452.05533.73272.86522.8652

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.084 C1 C2 H7 111.313
C2 C1 Cl4 111.616 C2 C1 Cl5 106.402
C2 C1 Cl6 106.402 O3 C2 H7 124.603
Cl4 C1 Cl5 111.149 Cl4 C1 Cl6 111.149
Cl5 C1 Cl6 109.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability