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/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/6-311G**
 hartrees
Energy at 0K-1035.472793
Energy at 298.15K-1035.473741
HF Energy-1035.243014
Nuclear repulsion energy215.795898
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/6-311G**
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' 3110 3110 10.70      
2 A' 2312 2312 93.11      
3 A' 1483 1483 1.62      
4 A' 1322 1322 63.10      
5 A' 1132 1132 0.24      
6 A' 711 711 78.67      
7 A' 629 629 27.42      
8 A' 391 391 0.67      
9 A' 272 272 1.24      
10 A' 92 92 1.19      
11 A" 3164 3164 0.93      
12 A" 1216 1216 1.19      
13 A" 927 927 0.73      
14 A" 268 268 0.00      
15 A" 177 177 7.91      

Unscaled Zero Point Vibrational Energy (zpe) 8602.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8602.1 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/6-311G**
ABC
0.55996 0.03150 0.02999

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.178 0.230 0.000
C2 0.000 0.495 0.000
C3 -1.397 0.875 0.000
Cl4 2.773 -0.169 0.000
Cl5 -2.501 -0.566 0.000
H6 -1.647 1.451 0.888
H7 -1.647 1.451 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20702.65411.64413.76433.20343.2034
C21.20701.44772.85092.71702.10202.1020
C32.65411.44774.29821.81551.08831.0883
Cl41.64412.85094.29825.28884.79084.7908
Cl53.76432.71701.81555.28882.36392.3639
H63.20342.10201.08834.79082.36391.7769
H73.20342.10201.08834.79082.36391.7769

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 177.429 C2 C1 Cl4 178.590
C2 C3 Cl5 112.249 C2 C3 H6 111.174
C2 C3 H7 111.174 Cl5 C3 H6 106.282
Cl5 C3 H7 106.282 H6 C3 H7 109.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 C 0.329      
3 C -0.306      
4 Cl -0.047      
5 Cl -0.076      
6 H 0.189      
7 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.711 1.675 0.000 1.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.579 -3.892 0.000
y -3.892 -41.458 0.000
z 0.000 0.000 -43.005
Traceless
 xyz
x -0.348 -3.892 0.000
y -3.892 1.334 0.000
z 0.000 0.000 -0.986
Polar
3z2-r2-1.973
x2-y2-1.121
xy-3.892
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.122 -0.184 0.000
y -0.184 5.556 0.000
z 0.000 0.000 3.938


<r2> (average value of r2) Å2
<r2> 307.057
(<r2>)1/2 17.523