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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G2
 hartrees
Energy at 0K-1034.706976
Energy at 298.15K-1034.700587
HF Energy-1033.644439
Nuclear repulsion energy241.274847
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 HF/6-31G*
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' 3664 3452 56.46      
2 A' 3363 3169 1.66      
3 A' 2433 2292 18.84      
4 A' 1425 1343 38.72      
5 A' 1075 1013 60.03      
6 A' 823 775 50.47      
7 A' 778 733 23.06      
8 A' 508 479 5.52      
9 A' 303 285 0.28      
10 A' 241 227 3.39      
11 A" 1378 1298 38.80      
12 A" 862 812 219.44      
13 A" 833 785 9.88      
14 A" 525 495 1.30      
15 A" 172 162 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 9190.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 8659.7 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 MP2=FULL/6-31G*
ABC
0.10736 0.09864 0.05355

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.630 2.032 0.000
C2 -0.740 1.201 0.000
C3 0.384 0.288 0.000
Cl4 0.384 -0.726 1.467
Cl5 0.384 -0.726 -1.467
H6 -2.449 2.716 0.000
H7 1.329 0.829 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21822.66413.71653.71651.06703.1951
C21.21821.44742.66932.66932.28432.1023
C32.66411.44741.78301.78303.73091.0894
Cl43.71652.66931.78302.93354.69272.3370
Cl53.71652.66931.78302.93354.69272.3370
H61.06702.28433.73094.69274.69274.2239
H73.19512.10231.08942.33702.33704.2239

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 178.495 C2 C1 H6 179.543
C2 C3 Cl4 111.232 C2 C3 Cl5 111.232
C2 C3 H7 110.583 Cl4 C3 Cl5 110.695
Cl4 C3 H7 106.443 Cl5 C3 H7 106.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability