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

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-1029.421131
Energy at 298.15K-1029.422322
HF Energy-1028.845407
Nuclear repulsion energy237.649518
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 CCD/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' 3445 3296 41.30      
2 A' 3156 3019 0.61      
3 A' 2219 2123 16.23      
4 A' 1337 1278 12.44      
5 A' 977 935 48.09      
6 A' 708 677 60.68      
7 A' 694 664 3.25      
8 A' 458 438 3.37      
9 A' 277 265 0.19      
10 A' 220 211 3.66      
11 A" 1276 1221 17.76      
12 A" 747 715 165.51      
13 A" 687 657 11.56      
14 A" 471 450 1.14      
15 A" 150 143 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 8411.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 8045.4 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 CCD/3-21G*
ABC
0.10458 0.09678 0.05247

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.672 2.016 0.000
C2 -0.756 1.221 0.000
C3 0.393 0.312 0.000
Cl4 0.393 -0.731 1.485
Cl5 0.393 -0.731 -1.485
H6 -2.496 2.696 0.000
H7 1.337 0.859 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21262.67783.74393.74391.06803.2237
C21.21261.46592.70872.70872.28032.1242
C32.67781.46591.81411.81413.74581.0907
Cl43.74392.70871.81412.96914.72162.3710
Cl53.74392.70871.81412.96914.72162.3710
H61.06802.28033.74584.72164.72164.2501
H73.22372.12421.09072.37102.37104.2501

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 177.402 C2 C1 H6 178.554
C2 C3 Cl4 110.897 C2 C3 Cl5 110.897
C2 C3 H7 111.530 Cl4 C3 Cl5 109.839
Cl4 C3 H7 106.756 Cl5 C3 H7 106.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability