return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-1035.511015
Energy at 298.15K-1035.511981
HF Energy-1035.240295
Nuclear repulsion energy215.832963
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 B2PLYP=FULL/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3117 3117 12.10      
2 A' 2313 2313 93.21      
3 A' 1500 1500 1.87      
4 A' 1334 1334 62.08      
5 A' 1133 1133 0.32      
6 A' 711 711 78.86      
7 A' 630 630 27.96      
8 A' 396 396 0.64      
9 A' 276 276 1.24      
10 A' 92 92 1.24      
11 A" 3171 3171 1.51      
12 A" 1231 1231 1.20      
13 A" 932 932 0.96      
14 A" 280 280 0.01      
15 A" 178 178 8.10      

Unscaled Zero Point Vibrational Energy (zpe) 8646.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8646.6 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 B2PLYP=FULL/6-311G*
ABC
0.55962 0.03152 0.03000

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.177 0.230 0.000
C2 0.000 0.495 0.000
C3 -1.396 0.875 0.000
Cl4 2.772 -0.168 0.000
Cl5 -2.501 -0.567 0.000
H6 -1.648 1.452 0.887
H7 -1.648 1.452 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20682.65321.64363.76323.20383.2038
C21.20681.44702.85022.71692.10222.1022
C32.65321.44704.29681.81581.08791.0879
Cl41.64362.85024.29685.28754.79084.7908
Cl53.76322.71691.81585.28752.36402.3640
H63.20382.10221.08794.79082.36401.7741
H73.20382.10221.08794.79082.36401.7741

picture of 1,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 177.507 C2 C1 Cl4 178.669
C2 C3 Cl5 112.258 C2 C3 H6 111.260
C2 C3 H7 111.260 Cl5 C3 H6 106.282
Cl5 C3 H7 106.282 H6 C3 H7 109.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability