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All results from a given calculation for CH2ClCHO (chloroacetaldehyde)

using model chemistry: ROHF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-611.846073
Energy at 298.15K-611.849513
HF Energy-611.846073
Nuclear repulsion energy143.650923
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/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 3341 2875 0.89      
2 A 3253 2800 11.06      
3 A 3165 2724 56.90      
4 A 2027 1745 230.99      
5 A 1559 1342 11.22      
6 A 1513 1302 13.01      
7 A 1373 1182 27.99      
8 A 1287 1108 7.84      
9 A 1145 986 22.18      
10 A 1114 959 9.95      
11 A 878 756 29.19      
12 A 757 651 29.91      
13 A 494 425 15.25      
14 A 312 268 12.95      
15 A 72 62 19.05      

Unscaled Zero Point Vibrational Energy (zpe) 11144.1 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 9591.7 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/cc-pVDZ
ABC
1.00371 0.09181 0.08763

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 0.677 0.139
C2 1.167 -0.314 0.215
Cl3 -1.536 -0.171 -0.081
O4 2.235 -0.077 -0.234
H5 -0.037 1.233 1.073
H6 0.177 1.360 -0.690
H7 0.943 -1.258 0.735

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7
C11.51241.79102.36301.08851.08492.2221
C21.51242.72301.18212.13932.14451.1009
Cl31.79102.72303.77502.35572.37652.8278
O42.36301.18213.77502.92962.55072.0001
H51.08852.13932.35572.92961.78022.6977
H61.08492.14452.37652.55071.78023.0773
H72.22211.10092.82782.00012.69773.0773

picture of chloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.084 C1 C2 H7 115.595
C2 C1 Cl3 110.754 C2 C1 H5 109.598
C2 C1 H6 110.230 Cl3 C1 H5 107.255
Cl3 C1 H6 108.967 O4 C2 H7 122.307
H5 C1 H6 109.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 C 0.262      
3 Cl -0.161      
4 O -0.278      
5 H 0.109      
6 H 0.107      
7 H 0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.712 0.667 1.220 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.734 -0.231 1.654
y -0.231 -28.271 -0.056
z 1.654 -0.056 -29.208
Traceless
 xyz
x -10.995 -0.231 1.654
y -0.231 6.200 -0.056
z 1.654 -0.056 4.795
Polar
3z2-r29.590
x2-y2-11.464
xy-0.231
xz1.654
yz-0.056


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> 121.341
(<r2>)1/2 11.015