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

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-1034.430143
Energy at 298.15K-1034.431309
HF Energy-1033.716016
Nuclear repulsion energy239.928068
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 QCISD/6-311G*
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' 3463 3315 48.12      
2 A' 3158 3024 1.80      
3 A' 2213 2118 16.77      
4 A' 1313 1258 32.92      
5 A' 1023 979 44.16      
6 A' 731 700 37.76      
7 A' 654 626 22.72      
8 A' 458 439 3.28      
9 A' 289 277 0.44      
10 A' 217 208 3.41      
11 A" 1301 1246 24.53      
12 A" 805 770 178.85      
13 A" 633 606 17.13      
14 A" 444 425 0.91      
15 A" 142 136 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 8421.9 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 8063.2 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 QCISD/6-311G*
ABC
0.10655 0.09852 0.05330

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.630 2.031 0.000
C2 -0.748 1.203 0.000
C3 0.385 0.285 0.000
Cl4 0.385 -0.726 1.473
Cl5 0.385 -0.726 -1.473
H6 -2.443 2.723 0.000
H7 1.322 0.841 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20932.66553.71843.71841.06803.1827
C21.20931.45792.67822.67822.27662.1018
C32.66551.45791.78641.78643.73341.0894
Cl43.71842.67821.78642.94534.69692.3454
Cl53.71842.67821.78642.94534.69692.3454
H61.06802.27663.73344.69694.69694.2093
H73.18272.10181.08942.34542.34544.2093

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 175.786 C2 C1 H6 177.203
C2 C3 Cl4 110.871 C2 C3 Cl5 110.871
C2 C3 H7 110.359 Cl4 C3 Cl5 111.048
Cl4 C3 H7 106.767 Cl5 C3 H7 106.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability