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All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-1029.330884
Energy at 298.15K-1029.332300
HF Energy-1028.847367
Nuclear repulsion energy239.234290
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 CID/3-21G*
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' 3551 3304 52.68      
2 A' 3253 3027 0.89      
3 A' 2325 2163 18.29      
4 A' 1378 1282 14.44      
5 A' 1014 943 53.84      
6 A' 794 739 38.63      
7 A' 731 680 33.05      
8 A' 485 451 4.61      
9 A' 289 269 0.25      
10 A' 237 220 4.08      
11 A" 1312 1221 20.32      
12 A" 790 735 72.38      
13 A" 781 727 129.75      
14 A" 505 470 1.19      
15 A" 164 153 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 8803.6 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 8191.8 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 CID/3-21G*
ABC
0.10573 0.09829 0.05318

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.661 1.996 0.000
C2 -0.750 1.217 0.000
C3 0.390 0.310 0.000
Cl4 0.390 -0.725 1.476
Cl5 0.390 -0.725 -1.476
H6 -2.478 2.672 0.000
H7 1.326 0.854 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.19912.65563.71423.71421.06023.1982
C21.19911.45692.69292.69292.25922.1076
C32.65561.45691.80321.80323.71581.0830
Cl43.71422.69291.80322.95294.68502.3563
Cl53.71422.69291.80322.95294.68502.3563
H61.06022.25923.71584.68504.68504.2163
H73.19822.10761.08302.35632.35634.2163

picture of 3,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.962 C2 C1 H6 179.043
C2 C3 Cl4 110.939 C2 C3 Cl5 110.939
C2 C3 H7 111.304 Cl4 C3 Cl5 109.928
Cl4 C3 H7 106.782 Cl5 C3 H7 106.782
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability