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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1035.872909
Energy at 298.15K-1035.873892
HF Energy-1035.872909
Nuclear repulsion energy216.150222
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/aug-cc-pVDZ
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' 3108 2978 6.61      
2 A' 2368 2269 91.04      
3 A' 1446 1385 2.80      
4 A' 1272 1219 49.92      
5 A' 1142 1095 1.16      
6 A' 720 690 78.12      
7 A' 634 607 22.89      
8 A' 395 379 1.01      
9 A' 276 265 1.10      
10 A' 83 80 1.21      
11 A" 3170 3038 0.01      
12 A" 1176 1127 0.21      
13 A" 902 865 0.23      
14 A" 303 291 0.01      
15 A" 175 168 7.40      

Unscaled Zero Point Vibrational Energy (zpe) 8584.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 8226.8 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/aug-cc-pVDZ
ABC
0.54594 0.03179 0.03022

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.172 0.218 0.000
C2 0.000 0.520 0.000
C3 -1.398 0.891 0.000
Cl4 2.762 -0.194 0.000
Cl5 -2.487 -0.554 0.000
H6 -1.654 1.469 0.893
H7 -1.654 1.469 -0.893

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21002.65671.64223.73913.21723.2172
C21.21001.44672.85222.70872.10622.1062
C32.65671.44674.29891.80891.09451.0945
Cl41.64222.85224.29895.26084.80244.8024
Cl53.73912.70871.80895.26082.36312.3631
H63.21722.10621.09454.80242.36311.7864
H73.21722.10621.09454.80242.36311.7864

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 179.581 C2 C1 Cl4 179.941
C2 C3 Cl5 112.131 C2 C3 H6 111.201
C2 C3 H7 111.201 Cl5 C3 H6 106.342
Cl5 C3 H7 106.342 H6 C3 H7 109.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.568      
2 C 0.794      
3 C -0.145      
4 Cl -0.179      
5 Cl -0.057      
6 H 0.078      
7 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.637 1.570 0.000 1.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.643 -3.875 0.000
y -3.875 -40.725 0.000
z 0.000 0.000 -42.427
Traceless
 xyz
x -0.066 -3.875 0.000
y -3.875 1.310 0.000
z 0.000 0.000 -1.243
Polar
3z2-r2-2.486
x2-y2-0.917
xy-3.875
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.046 -0.378 0.000
y -0.378 7.753 0.000
z 0.000 0.000 6.626


<r2> (average value of r2) Å2
<r2> 304.640
(<r2>)1/2 17.454