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: HSEh1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-311G*
 hartrees
Energy at 0K-1532.114650
Energy at 298.15K-1532.116177
HF Energy-1532.114650
Nuclear repulsion energy432.959667
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 HSEh1PBE/6-311G*
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' 3001 2880 37.49      
2 A' 1889 1813 177.21      
3 A' 1401 1345 12.64      
4 A' 1046 1003 39.00      
5 A' 862 827 108.55      
6 A' 638 612 78.57      
7 A' 450 432 4.72      
8 A' 323 310 3.69      
9 A' 277 266 0.77      
10 A' 204 195 3.29      
11 A" 1025 983 28.32      
12 A" 736 706 157.29      
13 A" 331 317 4.78      
14 A" 255 245 0.95      
15 A" 88 84 6.03      

Unscaled Zero Point Vibrational Energy (zpe) 6262.8 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 6009.8 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 HSEh1PBE/6-311G*
ABC
0.06164 0.05497 0.05093

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 0.044 0.000
C2 0.918 -1.224 0.000
O3 0.491 -2.331 0.000
Cl4 -1.669 -0.348 0.000
Cl5 0.491 0.959 1.459
Cl6 0.491 0.959 -1.459
H7 1.996 -0.975 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54422.41831.75051.78131.78132.2079
C21.54421.18662.73162.66042.66041.1057
O32.41831.18662.93253.59933.59932.0253
Cl41.75052.73162.93252.91632.91633.7179
Cl51.78132.66043.59932.91632.91862.8520
Cl61.78132.66043.59932.91632.91862.8520
H72.20791.10572.02533.71792.85202.8520

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.109 C1 C2 H7 111.788
C2 C1 Cl4 111.855 C2 C1 Cl5 106.040
C2 C1 Cl6 106.040 O3 C2 H7 124.104
Cl4 C1 Cl5 111.319 Cl4 C1 Cl6 111.319
Cl5 C1 Cl6 110.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.474      
2 C 0.191      
3 O -0.218      
4 Cl 0.109      
5 Cl 0.080      
6 Cl 0.080      
7 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.167 0.894 0.000 1.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.970 -0.398 0.000
y -0.398 -60.392 0.000
z 0.000 0.000 -54.164
Traceless
 xyz
x 5.308 -0.398 0.000
y -0.398 -7.325 0.000
z 0.000 0.000 2.017
Polar
3z2-r24.034
x2-y28.422
xy-0.398
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.206 0.967 0.000
y 0.967 8.024 0.000
z 0.000 0.000 8.042


<r2> (average value of r2) Å2
<r2> 260.374
(<r2>)1/2 16.136