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All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: MP3=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-1029.027426
Energy at 298.15K-1029.028563
HF Energy-1028.634388
Nuclear repulsion energy232.527416
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/3-21G
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 46.35      
2 A' 3237 3237 0.33      
3 A' 2275 2275 27.98      
4 A' 1317 1317 19.43      
5 A' 1014 1014 58.95      
6 A' 731 731 41.78      
7 A' 661 661 30.86      
8 A' 441 441 4.38      
9 A' 256 256 0.31      
10 A' 219 219 4.30      
11 A" 1206 1206 25.13      
12 A" 731 731 176.31      
13 A" 700 700 6.44      
14 A" 457 457 0.16      
15 A" 148 148 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 8440.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8440.5 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 MP3=FULL/3-21G
ABC
0.09753 0.09524 0.05035

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.666 2.031 0.000
C2 -0.754 1.240 0.000
C3 0.392 0.357 0.000
Cl4 0.392 -0.745 1.538
Cl5 0.392 -0.745 -1.538
H6 -2.494 2.701 0.000
H7 1.345 0.875 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20722.65243.78253.78251.06493.2252
C21.20721.44632.76002.76002.27182.1308
C32.65241.44631.89221.89223.71731.0848
Cl43.78252.76001.89223.07504.75052.4288
Cl53.78252.76001.89223.07504.75052.4288
H61.06492.27183.71734.75054.75054.2509
H73.22522.13081.08482.42882.42884.2509

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 176.605 C2 C1 H6 177.990
C2 C3 Cl4 110.822 C2 C3 Cl5 110.822
C2 C3 H7 113.913 Cl4 C3 Cl5 108.695
Cl4 C3 H7 106.153 Cl5 C3 H7 106.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability