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All results from a given calculation for CH2ClCHO (chloroacetaldehyde)

using model chemistry: ROHF/6-31G**

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 ROHF/6-31G**
 hartrees
Energy at 0K-611.816543
Energy at 298.15K-611.819927
HF Energy-611.816543
Nuclear repulsion energy143.614139
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 ROHF/6-31G**
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 3337 2852 0.96      
2 A 3259 2785 12.11      
3 A 3181 2718 52.84      
4 A 2034 1739 210.58      
5 A 1582 1352 11.48      
6 A 1537 1314 14.22      
7 A 1404 1200 34.34      
8 A 1313 1122 3.23      
9 A 1146 979 5.64      
10 A 1128 964 31.36      
11 A 877 749 45.38      
12 A 769 658 16.99      
13 A 494 422 14.63      
14 A 305 260 15.66      
15 A 48 41 24.21      

Unscaled Zero Point Vibrational Energy (zpe) 11206.7 cm-1
Scaled (by 0.8546) Zero Point Vibrational Energy (zpe) 9577.3 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 ROHF/6-31G**
ABC
1.10613 0.09046 0.08593

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.029 0.650 0.109
C2 1.165 -0.351 0.139
Cl3 -1.553 -0.155 -0.059
O4 2.268 -0.042 -0.159
H5 0.017 1.206 1.037
H6 0.163 1.333 -0.715
H7 0.912 -1.361 0.473

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7
C11.51491.78272.35931.08161.07842.2261
C21.51492.73161.18412.13312.13721.0927
Cl31.78272.73163.82362.34942.36402.7944
O42.35931.18413.82362.83852.57421.9946
H51.08162.13312.34942.83851.76272.7763
H61.07842.13722.36402.57421.76273.0370
H72.22611.09272.79441.99462.77633.0370

picture of chloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.394 C1 C2 H7 116.299
C2 C1 Cl3 111.604 C2 C1 H5 109.340
C2 C1 H6 109.849 Cl3 C1 H5 107.688
Cl3 C1 H6 108.927 O4 C2 H7 122.290
H5 C1 H6 109.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.384      
2 C 0.381      
3 Cl -0.082      
4 O -0.460      
5 H 0.202      
6 H 0.209      
7 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.782 0.476 0.885 1.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.607 -0.594 1.184
y -0.594 -28.200 -0.038
z 1.184 -0.038 -29.271
Traceless
 xyz
x -11.872 -0.594 1.184
y -0.594 6.739 -0.038
z 1.184 -0.038 5.133
Polar
3z2-r210.266
x2-y2-12.407
xy-0.594
xz1.184
yz-0.038


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> 122.600
(<r2>)1/2 11.073