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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-1522.618339
Energy at 298.15K-1522.619628
HF Energy-1522.157260
Nuclear repulsion energy415.583253
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 MP2/3-21G
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' 3059 2920 26.60      
2 A' 1619 1546 42.65      
3 A' 1446 1381 5.37      
4 A' 994 949 35.04      
5 A' 826 788 71.56      
6 A' 599 572 65.11      
7 A' 398 380 4.14      
8 A' 293 280 3.39      
9 A' 249 238 2.81      
10 A' 198 189 1.74      
11 A" 1052 1004 31.53      
12 A" 693 662 109.54      
13 A" 320 305 1.98      
14 A" 222 212 1.28      
15 A" 89 85 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 6028.7 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 5754.4 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 MP2/3-21G
ABC
0.05740 0.05084 0.04628

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.066 0.019 0.000
C2 0.948 -1.243 0.000
O3 0.507 -2.400 0.000
Cl4 -1.730 -0.416 0.000
Cl5 0.507 1.017 1.527
Cl6 0.507 1.017 -1.527
H7 2.014 -0.979 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53942.45831.84751.87741.87742.1886
C21.53941.23802.80262.76322.76321.0978
O32.45831.23802.98993.74273.74272.0706
Cl41.84752.80262.98993.06413.06413.7856
Cl51.87742.76323.74273.06413.05492.9307
Cl61.87742.76323.74273.06413.05492.9307
H72.18861.09782.07063.78562.93072.9307

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.174 C1 C2 H7 111.071
C2 C1 Cl4 111.359 C2 C1 Cl5 107.530
C2 C1 Cl6 107.530 O3 C2 H7 124.755
Cl4 C1 Cl5 110.696 Cl4 C1 Cl6 110.696
Cl5 C1 Cl6 108.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability