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All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-71.123200
Energy at 298.15K-71.124820
HF Energy-71.123200
Nuclear repulsion energy114.961753
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 HF/CEP-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' 3325 2997 18.21      
2 A' 1889 1703 158.37      
3 A' 1511 1362 22.41      
4 A' 1158 1044 15.02      
5 A' 925 834 113.71      
6 A' 649 585 82.22      
7 A' 453 409 2.58      
8 A' 329 297 6.38      
9 A' 285 257 3.14      
10 A' 213 192 3.56      
11 A" 1116 1006 53.54      
12 A" 785 708 138.01      
13 A" 341 308 2.37      
14 A" 252 227 3.25      
15 A" 83 75 16.14      

Unscaled Zero Point Vibrational Energy (zpe) 6657.8 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 6001.3 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 HF/CEP-31G
ABC
0.05858 0.05225 0.04827

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.020 0.000
C2 0.946 -1.248 0.000
O3 0.503 -2.376 0.000
Cl4 -1.714 -0.367 0.000
Cl5 0.503 0.990 1.499
Cl6 0.503 0.990 -1.499
H7 2.012 -1.031 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54832.43701.81431.84031.84032.2182
C21.54831.21222.80312.73042.73041.0872
O32.43701.21222.99213.68503.68502.0218
Cl41.81432.80312.99213.00073.00073.7849
Cl51.84032.73043.68503.00072.99862.9342
Cl61.84032.73043.68503.00072.99862.9342
H72.21821.08722.02183.78492.93422.9342

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.505 C1 C2 H7 113.477
C2 C1 Cl4 112.703 C2 C1 Cl5 107.050
C2 C1 Cl6 107.050 O3 C2 H7 123.018
Cl4 C1 Cl5 110.386 Cl4 C1 Cl6 110.386
Cl5 C1 Cl6 109.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.492      
2 C 0.106      
3 O -0.130      
4 Cl 0.136      
5 Cl 0.088      
6 Cl 0.088      
7 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.855 1.165 0.000 2.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.424 -1.280 0.000
y -1.280 -62.913 0.000
z 0.000 0.000 -54.155
Traceless
 xyz
x 8.110 -1.280 0.000
y -1.280 -10.623 0.000
z 0.000 0.000 2.514
Polar
3z2-r25.027
x2-y212.489
xy-1.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.922 1.547 0.000
y 1.547 6.824 0.000
z 0.000 0.000 7.336


<r2> (average value of r2) Å2
<r2> 155.455
(<r2>)1/2 12.468