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

using model chemistry: MP2/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/aug-cc-pVQZ
 hartrees
Energy at 0K-1034.698537
Energy at 298.15K-1034.699712
HF Energy-1033.775970
Nuclear repulsion energy241.567824
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 MP2/aug-cc-pVQZ
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' 3485 3309 67.36      
2 A' 3163 3004 1.58      
3 A' 2139 2031 15.05      
4 A' 1287 1223 26.59      
5 A' 1020 968 43.69      
6 A' 728 691 28.51      
7 A' 662 629 26.63      
8 A' 465 442 4.04      
9 A' 275 261 0.33      
10 A' 202 191 2.72      
11 A" 1234 1172 16.87      
12 A" 791 752 149.32      
13 A" 662 629 23.08      
14 A" 464 441 0.60      
15 A" 146 139 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 8361.3 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 7940.7 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 MP2/aug-cc-pVQZ
ABC
0.10804 0.10009 0.05430

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.680 1.961 0.000
C2 -0.740 1.196 0.000
C3 0.392 0.301 0.000
Cl4 0.392 -0.712 1.460
Cl5 0.392 -0.712 -1.460
H6 -2.508 2.626 0.000
H7 1.332 0.842 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21182.65533.68363.68361.06183.2132
C21.21181.44352.65572.65572.27372.1023
C32.65531.44351.77671.77673.71711.0844
Cl43.68362.65571.77672.91954.65652.3300
Cl53.68362.65571.77672.91954.65652.3300
H61.06182.27373.71714.65654.65654.2339
H73.21322.10231.08442.33002.33004.2339

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 179.162 C2 C1 H6 179.665
C2 C3 Cl4 110.693 C2 C3 Cl5 110.693
C2 C3 H7 111.752 Cl4 C3 Cl5 110.491
Cl4 C3 H7 106.531 Cl5 C3 H7 106.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability