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

using model chemistry: CCSD/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/TZVP
 hartrees
Energy at 0K-1034.454102
Energy at 298.15K-1034.455222
HF Energy-1033.730706
Nuclear repulsion energy239.496649
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/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' 3503 3343 55.48      
2 A' 3194 3049 0.47      
3 A' 2237 2135 12.68      
4 A' 1303 1244 37.76      
5 A' 1024 977 41.32      
6 A' 731 698 59.28      
7 A' 710 678 5.41      
8 A' 456 436 3.62      
9 A' 280 267 0.36      
10 A' 217 207 3.80      
11 A" 1282 1224 28.67      
12 A" 796 760 162.29      
13 A" 624 596 16.30      
14 A" 427 407 0.41      
15 A" 113 108 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 8449.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8064.0 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/TZVP
ABC
0.10586 0.09842 0.05305

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.600 2.055 0.000
C2 -0.748 1.204 0.000
C3 0.379 0.287 0.000
Cl4 0.379 -0.731 1.479
Cl5 0.379 -0.731 -1.479
H6 -2.400 2.754 0.000
H7 1.314 0.836 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20392.65333.72343.72341.06293.1584
C21.20391.45282.68362.68362.26562.0943
C32.65331.45281.79531.79533.71621.0839
Cl43.72342.68361.79532.95704.69662.3485
Cl53.72342.68361.79532.95704.69662.3485
H61.06292.26563.71624.69664.69664.1802
H73.15842.09431.08392.34852.34854.1802

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 174.183 C2 C1 H6 176.202
C2 C3 Cl4 110.980 C2 C3 Cl5 110.980
C2 C3 H7 110.461 Cl4 C3 Cl5 110.877
Cl4 C3 H7 106.685 Cl5 C3 H7 106.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability