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: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-1532.742194
Energy at 298.15K-1532.743701
HF Energy-1532.742194
Nuclear repulsion energy432.924976
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 B1B95/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' 3000 2884 32.90      
2 A' 1892 1818 166.48      
3 A' 1367 1314 11.63      
4 A' 1056 1015 30.22      
5 A' 865 832 107.81      
6 A' 636 611 72.56      
7 A' 450 433 4.02      
8 A' 317 305 3.91      
9 A' 271 260 1.45      
10 A' 202 194 3.03      
11 A" 1014 975 25.34      
12 A" 742 714 147.68      
13 A" 325 312 3.20      
14 A" 248 239 1.12      
15 A" 87 84 5.06      

Unscaled Zero Point Vibrational Energy (zpe) 6237.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 5995.3 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 B1B95/cc-pVDZ
ABC
0.06185 0.05497 0.05084

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.041 0.042 0.000
C2 0.924 -1.221 0.000
O3 0.488 -2.329 0.000
Cl4 -1.665 -0.358 0.000
Cl5 0.488 0.963 1.458
Cl6 0.488 0.963 -1.458
H7 2.006 -0.964 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 Cl5 Cl6 H7
C11.54082.41291.75281.78191.78192.2069
C21.54081.19062.72932.66242.66241.1119
O32.41291.19062.91983.60113.60112.0410
Cl41.75282.72932.91982.91702.91703.7206
Cl51.78192.66243.60112.91702.91662.8539
Cl61.78192.66243.60112.91702.91662.8539
H72.20691.11192.04103.72062.85392.8539

picture of trichloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.605 C1 C2 H7 111.575
C2 C1 Cl4 111.764 C2 C1 Cl5 106.279
C2 C1 Cl6 106.279 O3 C2 H7 124.820
Cl4 C1 Cl5 111.223 Cl4 C1 Cl6 111.223
Cl5 C1 Cl6 109.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 C 0.310      
3 O -0.138      
4 Cl 0.073      
5 Cl 0.043      
6 Cl 0.043      
7 H 0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.079 0.901 0.000 1.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.838 -0.277 0.000
y -0.277 -58.734 0.000
z 0.000 0.000 -52.737
Traceless
 xyz
x 4.898 -0.277 0.000
y -0.277 -6.947 0.000
z 0.000 0.000 2.049
Polar
3z2-r24.097
x2-y27.896
xy-0.277
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.905 0.907 0.000
y 0.907 7.717 0.000
z 0.000 0.000 7.634


<r2> (average value of r2) Å2
<r2> 259.422
(<r2>)1/2 16.107