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/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-1035.011927
Energy at 298.15K-1035.013252
HF Energy-1033.750429
Nuclear repulsion energy241.418779
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/Def2TZVPP
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' 3523 3523 63.26      
2 A' 3210 3210 0.87      
3 A' 2288 2288 9.19      
4 A' 1314 1314 25.53      
5 A' 1029 1029 40.66      
6 A' 742 742 56.10      
7 A' 727 727 2.82      
8 A' 476 476 4.44      
9 A' 281 281 0.31      
10 A' 219 219 2.96      
11 A" 1258 1258 18.67      
12 A" 808 808 145.17      
13 A" 741 741 24.38      
14 A" 484 484 1.37      
15 A" 157 157 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 8628.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8628.0 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/Def2TZVPP
ABC
0.10757 0.10009 0.05411

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.657 1.975 0.000
C2 -0.742 1.204 0.000
C3 0.389 0.294 0.000
Cl4 0.389 -0.715 1.464
Cl5 0.389 -0.715 -1.464
H6 -2.472 2.650 0.000
H7 1.321 0.836 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.19612.64783.68333.68331.05813.1880
C21.19611.45192.66612.66612.25422.0956
C32.64781.45191.77831.77833.70601.0782
Cl43.68332.66611.77832.92824.65332.3279
Cl53.68332.66611.77832.92824.65332.3279
H61.05812.25423.70604.65334.65334.2039
H73.18802.09561.07822.32792.32794.2039

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 178.706 C2 C1 H6 179.524
C2 C3 Cl4 110.848 C2 C3 Cl5 110.848
C2 C3 H7 110.980 Cl4 C3 Cl5 110.841
Cl4 C3 H7 106.581 Cl5 C3 H7 106.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability