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

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-1034.348389
Energy at 298.15K-1034.349121
HF Energy-1033.651836
Nuclear repulsion energy215.333297
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 QCISD/6-31+G**
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' 3157 2985 10.69      
2 A' 2355 2226 61.83      
3 A' 1520 1437 0.59      
4 A' 1362 1288 65.64      
5 A' 1130 1068 0.52      
6 A' 754 713 58.47      
7 A' 631 596 19.06      
8 A' 372 352 0.72      
9 A' 228 216 0.56      
10 A' 91 86 1.25      
11 A" 3217 3041 0.73      
12 A" 1230 1163 0.78      
13 A" 949 897 0.05      
14 A" 173 164 7.50      
15 A" 166 157 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 8667.2 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 8194.0 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 QCISD/6-31+G**
ABC
0.56886 0.03123 0.02977

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.185 0.227 0.000
C2 0.000 0.483 0.000
C3 -1.408 0.878 0.000
Cl4 2.785 -0.192 0.000
Cl5 -2.513 -0.540 0.000
H6 -1.638 1.465 0.886
H7 -1.638 1.465 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21212.67291.65393.77673.20733.2073
C21.21211.46202.86532.71342.10552.1055
C32.67291.46204.32671.79791.08761.0876
Cl41.65392.86534.32675.30944.80554.8055
Cl53.77672.71341.79795.30942.36002.3600
H63.20732.10551.08764.80552.36001.7723
H73.20732.10551.08764.80552.36001.7723

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 176.521 C2 C1 Cl4 177.516
C2 C3 Cl5 112.277 C2 C3 H6 110.485
C2 C3 H7 110.485 Cl5 C3 H6 107.162
Cl5 C3 H7 107.162 H6 C3 H7 109.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability