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

using model chemistry: MP2/6-31G

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
 hartrees
Energy at 0K-1033.912920
Energy at 298.15K-1033.913511
HF Energy-1033.550558
Nuclear repulsion energy208.582139
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
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' 3141 3006 8.73      
2 A' 2257 2160 49.01      
3 A' 1542 1475 0.78      
4 A' 1336 1278 48.61      
5 A' 1099 1052 11.34      
6 A' 647 619 59.80      
7 A' 582 557 16.72      
8 A' 340 325 0.12      
9 A' 214 205 0.79      
10 A' 83 80 1.50      
11 A" 3212 3073 1.35      
12 A" 1228 1175 0.22      
13 A" 931 891 0.84      
14 A" 191 183 0.00      
15 A" 160 153 6.06      

Unscaled Zero Point Vibrational Energy (zpe) 8481.6 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 8115.1 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
ABC
0.51222 0.02954 0.02808

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.196 0.234 0.000
C2 0.000 0.520 0.000
C3 -1.394 0.954 0.000
Cl4 2.864 -0.253 0.000
Cl5 -2.599 -0.528 0.000
H6 -1.656 1.520 0.897
H7 -1.656 1.520 -0.897

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22952.68831.73823.87113.25443.2544
C21.22951.46042.96672.80262.13252.1325
C32.68831.46044.42641.90981.09251.0925
Cl41.73822.96674.42645.47054.93794.9379
Cl53.87112.80261.90985.47052.42642.4264
H63.25442.13251.09254.93792.42641.7940
H73.25442.13251.09254.93792.42641.7940

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 176.127 C2 C1 Cl4 177.113
C2 C3 Cl5 111.828 C2 C3 H6 112.505
C2 C3 H7 112.505 Cl5 C3 H6 104.525
Cl5 C3 H7 104.525 H6 C3 H7 110.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability