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

using model chemistry: QCISD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-1034.662538
Energy at 298.15K-1034.663779
HF Energy-1033.763346
Nuclear repulsion energy240.650420
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/aug-cc-pVTZ
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' 3476 3345 60.84      
2 A' 3170 3051 0.99      
3 A' 2223 2139 10.90      
4 A' 1308 1259 26.74      
5 A' 1019 981 40.84      
6 A' 730 702 32.34      
7 A' 688 662 22.30      
8 A' 468 450 3.82      
9 A' 276 266 0.30      
10 A' 208 201 2.70      
11 A" 1256 1209 19.68      
12 A" 797 767 145.11      
13 A" 693 667 21.10      
14 A" 471 453 0.87      
15 A" 150 144 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 8466.3 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 8148.0 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 QCISD/aug-cc-pVTZ
ABC
0.10710 0.09934 0.05381

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.669 1.978 0.000
C2 -0.745 1.207 0.000
C3 0.391 0.300 0.000
Cl4 0.391 -0.718 1.467
Cl5 0.391 -0.718 -1.467
H6 -2.490 2.652 0.000
H7 1.330 0.841 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20362.65723.69613.69611.06243.2067
C21.20361.45382.67292.67292.26602.1065
C32.65721.45381.78501.78503.71961.0836
Cl43.69612.67291.78502.93374.66982.3371
Cl53.69612.67291.78502.93374.66982.3371
H61.06242.26603.71964.66984.66984.2271
H73.20672.10651.08362.33712.33714.2271

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 178.748 C2 C1 H6 179.532
C2 C3 Cl4 110.825 C2 C3 Cl5 110.825
C2 C3 H7 111.401 Cl4 C3 Cl5 110.526
Cl4 C3 H7 106.551 Cl5 C3 H7 106.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability