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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-1034.418519
Energy at 298.15K-1034.419598
HF Energy-1033.729380
Nuclear repulsion energy239.784128
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/TZVP
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' 3511 3328 62.96      
2 A' 3194 3028 0.27      
3 A' 2156 2043 17.56      
4 A' 1289 1222 40.67      
5 A' 1028 974 45.09      
6 A' 732 694 64.15      
7 A' 719 681 3.92      
8 A' 455 431 3.85      
9 A' 280 266 0.36      
10 A' 219 208 4.21      
11 A" 1274 1208 26.37      
12 A" 786 745 173.58      
13 A" 610 578 15.41      
14 A" 413 391 0.11      
15 A" 100 95 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 8382.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 7946.0 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/TZVP
ABC
0.10623 0.09861 0.05317

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.591 2.064 0.000
C2 -0.744 1.195 0.000
C3 0.377 0.286 0.000
Cl4 0.377 -0.731 1.476
Cl5 0.377 -0.731 -1.476
H6 -2.391 2.763 0.000
H7 1.315 0.832 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21342.65233.72383.72381.06243.1565
C21.21341.44342.67352.67352.27402.0907
C32.65231.44341.79291.79293.71461.0847
Cl43.72382.67351.79292.95234.69612.3454
Cl53.72382.67351.79292.95234.69612.3454
H61.06242.27403.71464.69614.69614.1788
H73.15652.09071.08472.34542.34544.1788

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 173.316 C2 C1 H6 175.488
C2 C3 Cl4 110.939 C2 C3 Cl5 110.939
C2 C3 H7 110.785 Cl4 C3 Cl5 110.842
Cl4 C3 H7 106.582 Cl5 C3 H7 106.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability