return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-1034.848166
Energy at 298.15K-1034.849431
HF Energy-1033.747667
Nuclear repulsion energy217.910831
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/6-311+G(3df,2p)
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' 3121 2942 5.61      
2 A' 2262 2132 72.36      
3 A' 1493 1407 2.05      
4 A' 1312 1237 46.06      
5 A' 1152 1086 0.72      
6 A' 769 725 55.76      
7 A' 642 605 19.08      
8 A' 468 441 0.07      
9 A' 311 293 1.47      
10 A' 93 88 1.06      
11 A" 3181 2999 0.12      
12 A" 1220 1150 0.26      
13 A" 931 877 0.15      
14 A" 408 384 0.01      
15 A" 182 171 6.94      

Unscaled Zero Point Vibrational Energy (zpe) 8771.1 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 8268.5 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/6-311+G(3df,2p)
ABC
0.55030 0.03235 0.03073

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.170 0.205 0.000
C2 0.000 0.522 0.000
C3 -1.394 0.900 0.000
Cl4 2.737 -0.224 0.000
Cl5 -2.465 -0.524 0.000
H6 -1.641 1.480 0.884
H7 -1.641 1.480 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21222.65611.62453.70723.21113.2111
C21.21221.44392.83672.67762.09612.0961
C32.65611.44394.28061.78191.08631.0863
Cl41.62452.83674.28065.21014.78064.7806
Cl53.70722.67761.78195.21012.34042.3404
H63.21112.09611.08634.78062.34041.7684
H73.21112.09611.08634.78062.34041.7684

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 179.979 C2 C1 Cl4 179.824
C2 C3 Cl5 111.777 C2 C3 H6 111.092
C2 C3 H7 111.092 Cl5 C3 H6 106.854
Cl5 C3 H7 106.854 H6 C3 H7 108.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability