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

using model chemistry: CCSD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1034.440456
Energy at 298.15K-1034.441568
HF Energy-1033.704792
Nuclear repulsion energy238.224906
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/aug-cc-pVDZ
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' 3467 3340 56.99      
2 A' 3161 3046 0.69      
3 A' 2205 2124 13.13      
4 A' 1277 1231 30.14      
5 A' 1013 976 43.05      
6 A' 715 689 31.62      
7 A' 632 609 25.28      
8 A' 453 437 3.35      
9 A' 275 265 0.35      
10 A' 196 189 2.37      
11 A" 1232 1187 20.61      
12 A" 779 751 150.88      
13 A" 639 616 19.18      
14 A" 452 435 0.44      
15 A" 143 138 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 8320.8 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 8016.3 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/aug-cc-pVDZ
ABC
0.10529 0.09704 0.05273

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.686 2.006 0.000
C2 -0.751 1.219 0.000
C3 0.395 0.302 0.000
Cl4 0.395 -0.726 1.479
Cl5 0.395 -0.726 -1.479
H6 -2.516 2.690 0.000
H7 1.346 0.846 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22222.68953.73943.73941.07583.2462
C21.22221.46752.69922.69922.29802.1294
C32.68951.46751.80151.80153.76531.0961
Cl43.73942.69921.80152.95874.72582.3594
Cl53.73942.69921.80152.95874.72582.3594
H61.07582.29803.76534.72584.72584.2797
H73.24622.12941.09612.35942.35944.2797

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 178.647 C2 C1 H6 179.435
C2 C3 Cl4 110.904 C2 C3 Cl5 110.904
C2 C3 H7 111.510 Cl4 C3 Cl5 110.399
Cl4 C3 H7 106.474 Cl5 C3 H7 106.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability