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

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-1034.350528
Energy at 298.15K-1034.351597
HF Energy-1033.651420
Nuclear repulsion energy239.750930
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 QCISD/6-31+G**
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 3323 55.66      
2 A' 3206 3031 0.46      
3 A' 2227 2106 12.83      
4 A' 1314 1242 31.43      
5 A' 1024 968 44.57      
6 A' 729 690 36.67      
7 A' 623 589 32.54      
8 A' 446 422 2.58      
9 A' 278 263 0.59      
10 A' 191 180 2.35      
11 A" 1297 1226 27.79      
12 A" 804 760 168.45      
13 A" 625 591 25.24      
14 A" 441 417 0.52      
15 A" 137 130 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 8428.4 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 7968.2 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 QCISD/6-31+G**
ABC
0.10653 0.09820 0.05323

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.641 2.028 0.000
C2 -0.743 1.211 0.000
C3 0.386 0.286 0.000
Cl4 0.386 -0.727 1.472
Cl5 0.386 -0.727 -1.472
H6 -2.451 2.719 0.000
H7 1.324 0.832 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21362.67203.72303.72301.06493.1968
C21.21361.45932.68272.68272.27822.1014
C32.67201.45931.78701.78703.73691.0858
Cl43.72302.68271.78702.94504.69942.3406
Cl53.72302.68271.78702.94504.69942.3406
H61.06492.27823.73694.69944.69944.2204
H73.19682.10141.08582.34062.34064.2204

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 177.054 C2 C1 H6 178.137
C2 C3 Cl4 111.054 C2 C3 Cl5 111.054
C2 C3 H7 110.461 Cl4 C3 Cl5 110.969
Cl4 C3 H7 106.557 Cl5 C3 H7 106.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability