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

using model chemistry: CCSD(T)=FULL/TZVP

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(T)=FULL/TZVP
 hartrees
Energy at 0K-1034.590135
Energy at 298.15K-1034.591194
HF Energy-1033.729779
Nuclear repulsion energy238.950064
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(T)=FULL/TZVP
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' 3480 3327        
2 A' 3170 3030        
3 A' 2189 2093        
4 A' 1283 1227        
5 A' 1012 968        
6 A' 722 690        
7 A' 707 676        
8 A' 449 429        
9 A' 277 264        
10 A' 219 209        
11 A" 1265 1210        
12 A" 774 740        
13 A" 606 579        
14 A" 413 394        
15 A" 106 102        

Unscaled Zero Point Vibrational Energy (zpe) 8335.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 7968.3 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(T)=FULL/TZVP
ABC
0.10534 0.09802 0.05279

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.595 2.067 0.000
C2 -0.750 1.202 0.000
C3 0.379 0.288 0.000
Cl4 0.379 -0.734 1.482
Cl5 0.379 -0.734 -1.482
H6 -2.396 2.768 0.000
H7 1.314 0.838 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20972.65713.73343.73341.06393.1583
C21.20971.45192.68662.68662.27192.0957
C32.65711.45191.80061.80063.72101.0851
Cl43.73342.68661.80062.96484.70712.3544
Cl53.73342.68661.80062.96484.70712.3544
H61.06392.27193.72104.70714.70714.1818
H73.15832.09571.08512.35442.35444.1818

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 173.338 C2 C1 H6 175.538
C2 C3 Cl4 110.929 C2 C3 Cl5 110.929
C2 C3 H7 110.556 Cl4 C3 Cl5 110.833
Cl4 C3 H7 106.715 Cl5 C3 H7 106.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability