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

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-1022.653442
Energy at 298.15K-1022.654374
HF Energy-1022.426732
Nuclear repulsion energy210.010247
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=FULL/STO-3G
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' 3396 3018 0.76      
2 A' 2418 2150 34.60      
3 A' 1651 1467 0.52      
4 A' 1424 1266 54.06      
5 A' 1170 1040 8.85      
6 A' 869 773 22.46      
7 A' 639 568 14.10      
8 A' 452 401 0.18      
9 A' 273 242 0.27      
10 A' 96 85 1.25      
11 A" 3509 3119 0.94      
12 A" 1310 1164 0.43      
13 A" 996 885 0.01      
14 A" 361 321 1.44      
15 A" 180 160 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 9370.9 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 8329.8 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=FULL/STO-3G
ABC
0.51769 0.02999 0.02851

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.181 0.212 0.000
C2 0.000 0.535 0.000
C3 -1.445 0.934 0.000
Cl4 2.850 -0.242 0.000
Cl5 -2.558 -0.531 0.000
H6 -1.690 1.531 0.904
H7 -1.690 1.531 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22432.72321.73003.81223.28673.2867
C21.22431.49892.95432.77172.16042.1604
C32.72321.49894.45321.84071.11111.1111
Cl41.73002.95434.45325.41634.95784.9578
Cl53.81222.77171.84075.41632.41372.4137
H63.28672.16041.11114.95782.41371.8085
H73.28672.16041.11114.95782.41371.8085

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 179.876 C2 C1 Cl4 179.882
C2 C3 Cl5 111.782 C2 C3 H6 110.864
C2 C3 H7 110.864 Cl5 C3 H6 107.109
Cl5 C3 H7 107.109 H6 C3 H7 108.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability