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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-47.578587
Energy at 298.15K-47.579361
HF Energy-46.918794
Nuclear repulsion energy67.823317
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/CEP-121G*
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' 3124 2977 13.27      
2 A' 2229 2124 77.89      
3 A' 1511 1439 1.06      
4 A' 1339 1276 63.25      
5 A' 1124 1071 0.46      
6 A' 755 719 62.39      
7 A' 627 597 24.84      
8 A' 397 378 0.16      
9 A' 259 247 1.77      
10 A' 96 92 1.29      
11 A" 3196 3045 1.70      
12 A" 1211 1153 0.66      
13 A" 943 898 0.11      
14 A" 182 174 8.07      
15 A" 142 135 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8566.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 8162.2 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/CEP-121G*
ABC
0.55539 0.03097 0.02950

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.197 0.217 0.000
C2 0.000 0.485 0.000
C3 -1.402 0.914 0.000
Cl4 2.793 -0.244 0.000
Cl5 -2.530 -0.503 0.000
H6 -1.627 1.500 0.894
H7 -1.627 1.500 -0.894

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22642.69021.66203.79533.22823.2282
C21.22641.46572.88712.71602.11592.1159
C32.69021.46574.35191.81161.09221.0922
Cl41.66202.88714.35195.32944.83594.8359
Cl53.79532.71601.81165.32942.37202.3720
H63.22822.11591.09224.83592.37201.7870
H73.22822.11591.09224.83592.37201.7870

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 175.632 C2 C1 Cl4 176.546
C2 C3 Cl5 111.502 C2 C3 H6 110.784
C2 C3 H7 110.784 Cl5 C3 H6 106.920
Cl5 C3 H7 106.920 H6 C3 H7 109.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability