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All results from a given calculation for CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1034.467338
Energy at 298.15K-1034.468429
HF Energy-1033.666724
Nuclear repulsion energy216.880787
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 MP2/6-31G(2df,p)
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' 3142 2968 4.92      
2 A' 2282 2155 69.88      
3 A' 1496 1413 0.97      
4 A' 1311 1238 51.71      
5 A' 1144 1081 0.27      
6 A' 762 719 57.23      
7 A' 633 598 21.44      
8 A' 425 401 0.20      
9 A' 283 267 0.69      
10 A' 92 87 0.97      
11 A" 3206 3028 0.01      
12 A" 1215 1148 0.24      
13 A" 930 879 0.40      
14 A" 328 310 0.15      
15 A" 182 172 5.43      

Unscaled Zero Point Vibrational Energy (zpe) 8715.1 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 8231.4 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 MP2/6-31G(2df,p)
ABC
0.54358 0.03208 0.03046

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.173 0.202 0.000
C2 0.000 0.524 0.000
C3 -1.395 0.912 0.000
Cl4 2.749 -0.234 0.000
Cl5 -2.477 -0.520 0.000
H6 -1.645 1.493 0.887
H7 -1.645 1.493 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21582.66361.63543.72013.22343.2234
C21.21581.44772.85122.68752.10522.1052
C32.66361.44774.29891.79431.08961.0896
Cl41.63542.85124.29895.23324.80344.8034
Cl53.72012.68751.79435.23322.35122.3512
H63.22342.10521.08964.80342.35121.7748
H73.22342.10521.08964.80342.35121.7748

picture of 1,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.764 C2 C1 Cl4 179.836
C2 C3 Cl5 111.531 C2 C3 H6 111.352
C2 C3 H7 111.352 Cl5 C3 H6 106.663
Cl5 C3 H7 106.663 H6 C3 H7 109.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability