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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-1031.052577
Energy at 298.15K-1031.053978
HF Energy-1031.052577
Nuclear repulsion energy216.574860
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 B1B95/3-21G*
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' 3124 2983 4.48      
2 A' 2404 2296 79.62      
3 A' 1523 1455 4.59      
4 A' 1322 1263 34.99      
5 A' 1129 1078 2.39      
6 A' 718 685 52.86      
7 A' 646 617 49.31      
8 A' 524 500 1.92      
9 A' 319 305 1.19      
10 A' 100 95 1.26      
11 A" 3179 3036 0.01      
12 A" 1261 1204 0.00      
13 A" 924 882 2.40      
14 A" 499 477 0.47      
15 A" 200 191 7.99      

Unscaled Zero Point Vibrational Energy (zpe) 8936.2 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 8533.2 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 B1B95/3-21G*
ABC
0.54028 0.03201 0.03039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 0.233 0.000
C2 0.000 0.521 0.000
C3 -1.398 0.882 0.000
Cl4 2.752 -0.162 0.000
Cl5 -2.475 -0.586 0.000
H6 -1.658 1.454 0.891
H7 -1.658 1.454 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20182.64541.63363.73323.20393.2039
C21.20181.44372.83542.71152.10102.1010
C32.64541.44374.27901.82151.09011.0901
Cl41.63362.83544.27905.24454.78064.7806
Cl53.73322.71151.82155.24452.37172.3717
H63.20392.10101.09014.78062.37171.7814
H73.20392.10101.09014.78062.37171.7814

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 179.333 C2 C1 Cl4 179.843
C2 C3 Cl5 111.767 C2 C3 H6 111.269
C2 C3 H7 111.269 Cl5 C3 H6 106.360
Cl5 C3 H7 106.360 H6 C3 H7 109.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.236      
2 C 0.026      
3 C -0.619      
4 Cl 0.248      
5 Cl -0.020      
6 H 0.301      
7 H 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.563 1.743 0.000 1.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.561 -4.100 0.000
y -4.100 -40.655 0.000
z 0.000 0.000 -42.325
Traceless
 xyz
x -0.071 -4.100 0.000
y -4.100 1.288 0.000
z 0.000 0.000 -1.216
Polar
3z2-r2-2.433
x2-y2-0.906
xy-4.100
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.133 -0.300 0.000
y -0.300 4.897 0.000
z 0.000 0.000 3.490


<r2> (average value of r2) Å2
<r2> 302.956
(<r2>)1/2 17.406