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 CHCl2CCH (3,3-dichloropropyne)

using model chemistry: MP3=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-1034.404470
Energy at 298.15K-1034.405746
HF Energy-1033.695624
Nuclear repulsion energy238.973984
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 MP3=FULL/cc-pVDZ
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' 3515 3305 63.63      
2 A' 3208 3017 0.65      
3 A' 2275 2139 15.23      
4 A' 1301 1224 33.80      
5 A' 1029 968 44.33      
6 A' 731 687 39.86      
7 A' 692 651 14.57      
8 A' 470 442 4.01      
9 A' 282 265 0.27      
10 A' 220 207 2.95      
11 A" 1248 1173 21.19      
12 A" 806 757 151.18      
13 A" 694 652 18.18      
14 A" 478 449 0.81      
15 A" 154 144 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 8550.5 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 8040.0 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 MP3=FULL/cc-pVDZ
ABC
0.10585 0.09767 0.05297

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.659 2.018 0.000
C2 -0.749 1.213 0.000
C3 0.390 0.293 0.000
Cl4 0.390 -0.726 1.476
Cl5 0.390 -0.726 -1.476
H6 -2.479 2.713 0.000
H7 1.336 0.844 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21492.67913.73003.73001.07513.2171
C21.21491.46482.69082.69082.28992.1177
C32.67911.46481.79401.79403.75421.0951
Cl43.73002.69081.79402.95304.71662.3542
Cl53.73002.69081.79402.95304.71662.3542
H61.07512.28993.75424.71664.71664.2486
H73.21712.11771.09512.35422.35424.2486

picture of 3,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.438 C2 C1 H6 178.787
C2 C3 Cl4 110.916 C2 C3 Cl5 110.916
C2 C3 H7 110.809 Cl4 C3 Cl5 110.776
Cl4 C3 H7 106.629 Cl5 C3 H7 106.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability