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

using model chemistry: MP2=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-1029.010485
Energy at 298.15K-1029.011776
HF Energy-1028.628650
Nuclear repulsion energy209.355241
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/3-21G
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' 3160 3017 3.63      
2 A' 2293 2189 48.47      
3 A' 1558 1488 1.16      
4 A' 1321 1261 40.48      
5 A' 1077 1029 13.25      
6 A' 691 660 38.48      
7 A' 588 561 29.68      
8 A' 489 467 3.42      
9 A' 306 293 0.91      
10 A' 94 90 1.32      
11 A" 3226 3081 0.06      
12 A" 1256 1200 0.00      
13 A" 908 867 1.29      
14 A" 504 481 0.08      
15 A" 190 181 6.52      

Unscaled Zero Point Vibrational Energy (zpe) 8830.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 8431.7 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=FULL/3-21G
ABC
0.49525 0.03004 0.02848

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.172 0.217 0.000
C2 0.000 0.542 0.000
C3 -1.388 0.976 0.000
Cl4 2.844 -0.258 0.000
Cl5 -2.574 -0.535 0.000
H6 -1.653 1.532 0.898
H7 -1.653 1.532 -0.898

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21672.67021.73793.82083.24303.2430
C21.21671.45382.95462.78992.12552.1255
C32.67021.45384.40801.92051.08921.0892
Cl41.73792.95464.40805.42474.92264.9226
Cl53.82082.78991.92055.42472.43412.4341
H63.24302.12551.08924.92262.43411.7968
H73.24302.12551.08924.92262.43411.7968

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 178.149 C2 C1 Cl4 179.622
C2 C3 Cl5 110.786 C2 C3 H6 112.612
C2 C3 H7 112.612 Cl5 C3 H6 104.540
Cl5 C3 H7 104.540 H6 C3 H7 111.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability