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All results from a given calculation for CH2ClCHO (chloroacetaldehyde)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 bisecting, trans 1A
Energy calculated at G4
 hartrees
Energy at 0K-613.225000
Energy at 298.15K-613.219385
HF Energy-613.434018
Nuclear repulsion energy142.620673
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 B3LYP/6-31G(2df,p)
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 3159 3049 0.82      
2 A 3074 2966 6.99      
3 A 2925 2822 63.47      
4 A 1840 1776 148.42      
5 A 1446 1396 9.12      
6 A 1413 1363 5.47      
7 A 1256 1212 17.78      
8 A 1178 1136 5.80      
9 A 1044 1007 30.24      
10 A 1024 988 5.87      
11 A 804 776 17.63      
12 A 698 674 19.08      
13 A 457 441 9.72      
14 A 283 273 9.77      
15 A 65 62 12.41      

Unscaled Zero Point Vibrational Energy (zpe) 10332.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9970.4 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 B3LYP/6-31G(2df,p)
ABC
0.97044 0.09090 0.08680

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.022 0.691 0.139
C2 1.169 -0.303 0.233
Cl3 -1.541 -0.177 -0.084
O4 2.249 -0.090 -0.245
H5 -0.055 1.257 1.071
H6 0.175 1.372 -0.697
H7 0.932 -1.233 0.790

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7
C11.52011.80072.39141.09371.08932.2250
C21.52012.73071.20052.15262.15781.1100
Cl31.80072.73073.79422.36622.39052.8270
O42.39141.20053.79422.97612.57772.0284
H51.09372.15262.36622.97611.78702.6930
H61.08932.15782.39052.57771.78703.0932
H72.22501.11002.82702.02842.69303.0932

picture of chloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.020 C1 C2 H7 115.018
C2 C1 Cl3 111.707 C2 C1 H5 109.259
C2 C1 H6 109.864 Cl3 C1 H5 107.638
Cl3 C1 H6 109.158 O4 C2 H7 122.935
H5 C1 H6 109.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 C 0.169      
3 Cl -0.158      
4 O -0.218      
5 H 0.175      
6 H 0.176      
7 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.574 0.759 1.069 1.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 121.968
(<r2>)1/2 11.044