return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CCl3CHO (trichloroacetaldehyde)

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-1529.756859
Energy at 298.15K-1529.758622
HF Energy-1529.756859
Nuclear repulsion energy435.079053
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/daug-cc-pVTZ
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' 3174 2871 20.94      
2 A' 2030 1836 217.91      
3 A' 1511 1367 16.53      
4 A' 1150 1040 27.74      
5 A' 950 859 89.94      
6 A' 684 618 70.22      
7 A' 480 434 2.01      
8 A' 342 309 3.43      
9 A' 292 264 1.83      
10 A' 217 196 3.51      
11 A" 1140 1031 26.06      
12 A" 828 749 118.82      
13 A" 352 318 3.57      
14 A" 268 243 2.26      
15 A" 88 80 8.55      

Unscaled Zero Point Vibrational Energy (zpe) 6751.7 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 6107.6 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/daug-cc-pVTZ
ABC
0.06203 0.05542 0.05160

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.035 0.000
C2 0.917 -1.233 0.000
O3 0.489 -2.320 0.000
Cl4 -1.665 -0.331 0.000
Cl5 0.489 0.953 1.451
Cl6 0.489 0.953 -1.451
H7 1.981 -0.999 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.53842.39651.74901.77311.77312.1941
C21.53841.16812.73462.65792.65791.0896
O32.39651.16812.93223.58003.58001.9926
Cl41.74902.73462.93222.89722.89723.7064
Cl51.77312.65793.58002.89722.90122.8525
Cl61.77312.65793.58002.89722.90122.8525
H72.19411.08961.99263.70642.85252.8525

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.045 C1 C2 H7 112.082
C2 C1 Cl4 112.423 C2 C1 Cl5 106.548
C2 C1 Cl6 106.548 O3 C2 H7 123.873
Cl4 C1 Cl5 110.683 Cl4 C1 Cl6 110.683
Cl5 C1 Cl6 109.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.918      
2 C 0.257      
3 O -1.127      
4 Cl -0.358      
5 Cl -0.427      
6 Cl -0.427      
7 H 1.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.268 1.291 0.000 1.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.589 -0.489 0.000
y -0.489 -61.258 0.000
z 0.000 0.000 -53.868
Traceless
 xyz
x 5.974 -0.489 0.000
y -0.489 -8.530 0.000
z 0.000 0.000 2.555
Polar
3z2-r25.110
x2-y29.669
xy-0.489
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.675 0.725 0.000
y 0.725 9.748 0.000
z 0.000 0.000 9.619


<r2> (average value of r2) Å2
<r2> 258.336
(<r2>)1/2 16.073