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All results from a given calculation for CH2ClCHO (chloroacetaldehyde)

using model chemistry: TPSSh/cc-pVTZ

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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-613.521220
Energy at 298.15K-613.524445
HF Energy-613.521220
Nuclear repulsion energy142.786006
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 TPSSh/cc-pVTZ
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 3148 3048 0.97      
2 A 3064 2967 7.85      
3 A 2919 2826 66.59      
4 A 1798 1741 162.57      
5 A 1455 1409 9.70      
6 A 1402 1358 4.33      
7 A 1254 1214 16.96      
8 A 1181 1144 6.04      
9 A 1041 1008 34.78      
10 A 1020 988 2.83      
11 A 794 769 20.38      
12 A 691 669 17.71      
13 A 453 438 9.75      
14 A 271 262 11.13      
15 A 57 55 14.01      

Unscaled Zero Point Vibrational Energy (zpe) 10273.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 9948.2 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 TPSSh/cc-pVTZ
ABC
0.99011 0.09097 0.08676

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.025 0.666 0.129
C2 1.170 -0.333 0.184
Cl3 -1.554 -0.163 -0.073
O4 2.273 -0.059 -0.201
H5 -0.019 1.219 1.069
H6 0.173 1.356 -0.697
H7 0.914 -1.325 0.607

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7
C11.52041.79532.38481.09101.08672.2320
C21.52042.74141.20022.14602.15021.1082
Cl31.79532.74143.83072.36072.38302.8115
O42.38481.20023.83072.91502.58042.0257
H51.09102.14602.36072.91501.78182.7484
H61.08672.15022.38302.58041.78183.0720
H72.23201.10822.81152.02572.74843.0720

picture of chloroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.019 C1 C2 H7 115.336
C2 C1 Cl3 111.271 C2 C1 H5 109.427
C2 C1 H6 110.010 Cl3 C1 H5 107.216
Cl3 C1 H6 109.066 O4 C2 H7 122.644
H5 C1 H6 109.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.046      
2 C 0.170      
3 Cl -0.165      
4 O -0.237      
5 H 0.112      
6 H 0.117      
7 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.718 0.701 1.052 1.454
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 7.564 0.426 -0.162
y 0.426 5.139 -0.246
z -0.162 -0.246 4.257


<r2> (average value of r2) Å2
<r2> 122.049
(<r2>)1/2 11.048