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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-1034.438175
Energy at 298.15K-1034.439294
HF Energy-1033.693590
Nuclear repulsion energy237.996740
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(T)=FULL/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' 3461 3319        
2 A' 3152 3023        
3 A' 2167 2078        
4 A' 1275 1223        
5 A' 1007 965        
6 A' 711 682        
7 A' 635 609        
8 A' 452 433        
9 A' 275 263        
10 A' 209 201        
11 A" 1224 1174        
12 A" 774 742        
13 A" 634 608        
14 A" 455 436        
15 A" 146 140        

Unscaled Zero Point Vibrational Energy (zpe) 8288.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 7948.3 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.10510 0.09681 0.05254

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.666 2.032 0.000
C2 -0.751 1.213 0.000
C3 0.391 0.294 0.000
Cl4 0.391 -0.730 1.482
Cl5 0.391 -0.730 -1.482
H6 -2.492 2.726 0.000
H7 1.342 0.847 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22762.69303.74893.74891.07883.2335
C21.22761.46632.69732.69732.30612.1254
C32.69301.46631.80121.80123.77171.0995
Cl43.74892.69731.80122.96354.73822.3630
Cl53.74892.69731.80122.96354.73822.3630
H61.07882.30613.77174.73824.73824.2700
H73.23352.12541.09952.36302.36304.2700

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 176.978 C2 C1 H6 178.245
C2 C3 Cl4 110.868 C2 C3 Cl5 110.868
C2 C3 H7 111.061 Cl4 C3 Cl5 110.703
Cl4 C3 H7 106.589 Cl5 C3 H7 106.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability