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: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-1035.921078
Energy at 298.15K-1035.922111
HF Energy-1035.921078
Nuclear repulsion energy215.382529
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 B3LYP/TZVP
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' 3087 2980 8.56      
2 A' 2342 2261 99.75      
3 A' 1476 1425 2.50      
4 A' 1290 1245 59.47      
5 A' 1114 1076 0.33      
6 A' 681 658 76.84      
7 A' 617 596 36.39      
8 A' 420 406 1.69      
9 A' 281 272 1.31      
10 A' 91 88 1.23      
11 A" 3137 3028 0.31      
12 A" 1188 1147 0.54      
13 A" 912 881 0.30      
14 A" 331 319 0.14      
15 A" 178 171 8.88      

Unscaled Zero Point Vibrational Energy (zpe) 8572.2 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 8275.6 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 B3LYP/TZVP
ABC
0.53715 0.03161 0.03002

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 0.242 0.000
C2 0.000 0.527 0.000
C3 -1.399 0.877 0.000
Cl4 2.770 -0.152 0.000
Cl5 -2.492 -0.599 0.000
H6 -1.669 1.445 0.888
H7 -1.669 1.445 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.20072.64251.65133.75413.20553.2055
C21.20071.44182.85202.73452.10172.1017
C32.64251.44184.29381.83721.08791.0879
Cl41.65132.85204.29385.28124.80044.8004
Cl53.75412.73451.83725.28122.37602.3760
H63.20552.10171.08794.80042.37601.7750
H73.20552.10171.08794.80042.37601.7750

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 179.623 C2 C1 Cl4 179.898
C2 C3 Cl5 112.451 C2 C3 H6 111.596
C2 C3 H7 111.596 Cl5 C3 H6 105.769
Cl5 C3 H7 105.769 H6 C3 H7 109.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.228      
2 C 0.260      
3 C -0.299      
4 Cl 0.030      
5 Cl -0.120      
6 H 0.178      
7 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.751 1.666 0.000 1.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.938 -4.003 0.000
y -4.003 -41.005 0.000
z 0.000 0.000 -42.517
Traceless
 xyz
x -0.177 -4.003 0.000
y -4.003 1.223 0.000
z 0.000 0.000 -1.045
Polar
3z2-r2-2.091
x2-y2-0.933
xy-4.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.687 -0.230 0.000
y -0.230 6.178 0.000
z 0.000 0.000 4.779


<r2> (average value of r2) Å2
<r2> 306.504
(<r2>)1/2 17.507