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

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1034.798868
Energy at 298.15K-1034.800083
HF Energy-1033.761125
Nuclear repulsion energy240.730957
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/cc-pVTZ
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 3334        
2 A' 3161 3029        
3 A' 2199 2106        
4 A' 1293 1239        
5 A' 1014 971        
6 A' 720 690        
7 A' 672 644        
8 A' 462 442        
9 A' 275 264        
10 A' 210 201        
11 A" 1237 1185        
12 A" 785 752        
13 A" 683 654        
14 A" 470 450        
15 A" 153 146        

Unscaled Zero Point Vibrational Energy (zpe) 8406.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 8053.4 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/cc-pVTZ
ABC
0.10691 0.09963 0.05383

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.663 1.980 0.000
C2 -0.742 1.202 0.000
C3 0.390 0.299 0.000
Cl4 0.390 -0.717 1.468
Cl5 0.390 -0.717 -1.468
H6 -2.481 2.651 0.000
H7 1.325 0.840 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20552.65333.69413.69411.05813.1978
C21.20551.44812.66872.66872.26352.0983
C32.65331.44811.78591.78593.71141.0800
Cl43.69412.66871.78592.93694.66312.3356
Cl53.69412.66871.78592.93694.66312.3356
H61.05812.26353.71144.66314.66314.2147
H73.19782.09831.08002.33562.33564.2147

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 178.387 C2 C1 H6 179.170
C2 C3 Cl4 110.789 C2 C3 Cl5 110.789
C2 C3 H7 111.367 Cl4 C3 Cl5 110.624
Cl4 C3 H7 106.558 Cl5 C3 H7 106.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability