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/6-31G

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/6-31G
 hartrees
Energy at 0K-1033.939560
Energy at 298.15K-1033.940496
HF Energy-1033.556310
Nuclear repulsion energy232.250091
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/6-31G
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' 3488 3488 42.99      
2 A' 3222 3222 0.28      
3 A' 2255 2255 26.67      
4 A' 1307 1307 26.47      
5 A' 1032 1032 55.38      
6 A' 686 686 76.93      
7 A' 640 640 3.63      
8 A' 424 424 4.31      
9 A' 256 256 0.22      
10 A' 200 200 3.45      
11 A" 1243 1243 24.30      
12 A" 707 707 196.18      
13 A" 619 619 0.29      
14 A" 416 416 0.37      
15 A" 127 127 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 8311.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8311.3 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/6-31G
ABC
0.09789 0.09422 0.05005

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.639 2.079 0.000
C2 -0.742 1.255 0.000
C3 0.385 0.337 0.000
Cl4 0.385 -0.754 1.536
Cl5 0.385 -0.754 -1.536
H6 -2.457 2.768 0.000
H7 1.351 0.837 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21712.66973.80503.80501.06983.2370
C21.21711.45382.76902.76902.28642.1345
C32.66971.45381.88421.88423.73951.0878
Cl43.80502.76901.88423.07264.77892.4135
Cl53.80502.76901.88423.07264.77892.4135
H61.06982.28643.73954.77894.77894.2693
H73.23702.13451.08782.41352.41354.2693

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 176.600 C2 C1 H6 177.521
C2 C3 Cl4 111.451 C2 C3 Cl5 111.451
C2 C3 H7 113.458 Cl4 C3 Cl5 109.241
Cl4 C3 H7 105.438 Cl5 C3 H7 105.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability