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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1034.468176
Energy at 298.15K-1034.469315
HF Energy-1033.665077
Nuclear repulsion energy240.969963
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 MP2/6-31G(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' 3534 3337 73.85      
2 A' 3188 3011 0.74      
3 A' 2163 2043 26.31      
4 A' 1292 1221 28.75      
5 A' 1026 969 46.59      
6 A' 732 691 31.33      
7 A' 622 587 26.44      
8 A' 463 437 3.72      
9 A' 276 261 0.33      
10 A' 202 191 2.01      
11 A" 1244 1175 20.69      
12 A" 799 755 157.42      
13 A" 628 594 22.46      
14 A" 467 441 0.03      
15 A" 149 140 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 8391.5 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 7925.8 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 MP2/6-31G(2df,p)
ABC
0.10738 0.09972 0.05402

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.678 1.969 0.000
C2 -0.741 1.197 0.000
C3 0.392 0.302 0.000
Cl4 0.392 -0.714 1.464
Cl5 0.392 -0.714 -1.464
H6 -2.504 2.637 0.000
H7 1.337 0.841 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21432.65773.69193.69191.06213.2189
C21.21431.44362.66082.66082.27642.1080
C32.65771.44361.78261.78263.71991.0879
Cl43.69192.66081.78262.92894.66482.3361
Cl53.69192.66081.78262.92894.66482.3361
H61.06212.27643.71994.66484.66484.2399
H73.21892.10801.08792.33612.33614.2399

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 178.793 C2 C1 H6 179.433
C2 C3 Cl4 110.692 C2 C3 Cl5 110.692
C2 C3 H7 111.997 Cl4 C3 Cl5 110.473
Cl4 C3 H7 106.414 Cl5 C3 H7 106.414
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability