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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-1031.001770
Energy at 298.15K-1031.003177
HF Energy-1031.001770
Nuclear repulsion energy216.285689
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 mPW1PW91/3-21G*
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' 3120 2963 4.48      
2 A' 2400 2279 79.56      
3 A' 1526 1449 4.86      
4 A' 1327 1260 35.07      
5 A' 1129 1072 2.77      
6 A' 722 686 52.48      
7 A' 647 615 49.14      
8 A' 524 497 1.81      
9 A' 321 305 1.27      
10 A' 100 95 1.26      
11 A" 3176 3016 0.00      
12 A" 1267 1203 0.00      
13 A" 926 880 2.58      
14 A" 500 475 0.45      
15 A" 200 189 8.22      

Unscaled Zero Point Vibrational Energy (zpe) 8942.5 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 8491.8 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 mPW1PW91/3-21G*
ABC
0.53922 0.03192 0.03031

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 0.233 0.000
C2 0.000 0.521 0.000
C3 -1.399 0.883 0.000
Cl4 2.756 -0.162 0.000
Cl5 -2.479 -0.587 0.000
H6 -1.660 1.456 0.892
H7 -1.660 1.456 -0.892

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20362.64831.63543.73923.20763.2076
C21.20361.44472.83902.71572.10322.1032
C32.64831.44474.28371.82441.09191.0919
Cl41.63542.83904.28375.25214.78604.7860
Cl53.73922.71571.82445.25212.37512.3751
H63.20762.10321.09194.78602.37511.7844
H73.20762.10321.09194.78602.37511.7844

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 179.331 C2 C1 Cl4 179.839
C2 C3 Cl5 111.821 C2 C3 H6 111.257
C2 C3 H7 111.257 Cl5 C3 H6 106.336
Cl5 C3 H7 106.336 H6 C3 H7 109.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 C 0.028      
3 C -0.643      
4 Cl 0.253      
5 Cl -0.018      
6 H 0.307      
7 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.571 1.754 0.000 1.844
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.612 -4.152 0.000
y -4.152 -40.774 0.000
z 0.000 0.000 -42.458
Traceless
 xyz
x 0.004 -4.152 0.000
y -4.152 1.261 0.000
z 0.000 0.000 -1.265
Polar
3z2-r2-2.531
x2-y2-0.838
xy-4.152
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.184 -0.292 0.000
y -0.292 4.902 0.000
z 0.000 0.000 3.487


<r2> (average value of r2) Å2
<r2> 303.787
(<r2>)1/2 17.429