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

using model chemistry: MP4/6-311+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 MP4/6-311+G(3df,2p)
 hartrees
Energy at 0K-1034.678012
Energy at 298.15K-1034.679136
HF Energy-1033.745518
Nuclear repulsion energy240.221403
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 MP4/6-311+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' 3451 3257        
2 A' 3116 2941        
3 A' 2116 1997        
4 A' 1279 1207        
5 A' 1001 944        
6 A' 714 674        
7 A' 647 611        
8 A' 455 429        
9 A' 273 258        
10 A' 198 187        
11 A" 1227 1158        
12 A" 776 732        
13 A" 651 614        
14 A" 457 432        
15 A" 146 137        

Unscaled Zero Point Vibrational Energy (zpe) 8252.8 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 7789.0 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 MP4/6-311+G(3df,2p)
ABC
0.10683 0.09893 0.05364

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.676 1.984 0.000
C2 -0.744 1.204 0.000
C3 0.392 0.299 0.000
Cl4 0.392 -0.718 1.469
Cl5 0.392 -0.718 -1.469
H6 -2.500 2.660 0.000
H7 1.336 0.843 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21542.66723.70593.70591.06563.2206
C21.21541.45212.67242.67242.28092.1105
C32.66721.45211.78661.78663.73281.0892
Cl43.70592.67241.78662.93734.68292.3419
Cl53.70592.67241.78662.93734.68292.3419
H61.06562.28093.73284.68294.68294.2440
H73.22062.11051.08922.34192.34194.2440

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 178.645 C2 C1 H6 179.480
C2 C3 Cl4 110.787 C2 C3 Cl5 110.787
C2 C3 H7 111.506 Cl4 C3 Cl5 110.573
Cl4 C3 H7 106.515 Cl5 C3 H7 106.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability