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

using model chemistry: CCSD=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-1034.354941
Energy at 298.15K-1034.356080
HF Energy-1033.642671
Nuclear repulsion energy240.086343
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 CCSD=FULL/6-31G*
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' 3496 3321 48.63      
2 A' 3180 3020 1.21      
3 A' 2252 2139 18.36      
4 A' 1327 1260 28.83      
5 A' 1033 981 45.84      
6 A' 739 702 34.18      
7 A' 626 595 28.73      
8 A' 462 438 2.89      
9 A' 286 271 0.39      
10 A' 214 204 2.30      
11 A" 1300 1235 25.96      
12 A" 813 772 160.32      
13 A" 618 587 21.46      
14 A" 451 428 0.13      
15 A" 147 140 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 8471.9 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 8046.6 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 CCSD=FULL/6-31G*
ABC
0.10692 0.09847 0.05341

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.635 2.025 0.000
C2 -0.743 1.209 0.000
C3 0.385 0.288 0.000
Cl4 0.385 -0.726 1.470
Cl5 0.385 -0.726 -1.470
H6 -2.453 2.714 0.000
H7 1.329 0.834 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20932.66483.71653.71651.06903.1946
C21.20931.45662.67902.67902.27782.1057
C32.66481.45661.78551.78553.73371.0900
Cl43.71652.67901.78552.93934.69552.3415
Cl53.71652.67901.78552.93934.69552.3415
H61.06902.27783.73374.69554.69554.2235
H73.19462.10571.09002.34152.34154.2235

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 176.750 C2 C1 H6 177.617
C2 C3 Cl4 111.043 C2 C3 Cl5 111.043
C2 C3 H7 110.739 Cl4 C3 Cl5 110.796
Cl4 C3 H7 106.516 Cl5 C3 H7 106.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability