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=FULLultrafine/STO-3G

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=FULLultrafine/STO-3G
 hartrees
Energy at 0K-1023.883067
Energy at 298.15K 
HF Energy-1023.804640
Nuclear repulsion energy210.783941
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=FULLultrafine/STO-3G
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' 3368 3368 1.30      
2 A' 2500 2500 53.00      
3 A' 1622 1622 0.76      
4 A' 1392 1392 51.61      
5 A' 1159 1159 9.23      
6 A' 837 837 29.97      
7 A' 635 635 19.06      
8 A' 452 452 0.09      
9 A' 276 276 0.30      
10 A' 96 96 1.28      
11 A" 3479 3479 2.51      
12 A" 1280 1280 0.54      
13 A" 977 977 0.15      
14 A" 366 366 1.11      
15 A" 183 183 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 9310.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9310.8 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=FULLultrafine/STO-3G
ABC
0.51513 0.03030 0.02878

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.171 0.223 0.000
C2 0.000 0.537 0.000
C3 -1.436 0.926 0.000
Cl4 2.837 -0.221 0.000
Cl5 -2.544 -0.553 0.000
H6 -1.689 1.516 0.903
H7 -1.689 1.516 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21222.69971.72393.79523.26603.2660
C21.21221.48752.93612.76812.15102.1510
C32.69971.48754.42361.84871.10791.1079
Cl41.72392.93614.42365.39124.93094.9309
Cl53.79522.76811.84875.39122.41392.4139
H63.26602.15101.10794.93092.41391.8066
H73.26602.15101.10794.93092.41391.8066

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 179.865 C2 C1 Cl4 179.872
C2 C3 Cl5 111.681 C2 C3 H6 111.097
C2 C3 H7 111.097 Cl5 C3 H6 106.766
Cl5 C3 H7 106.766 H6 C3 H7 109.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability