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 C6H4Cl2 (1,3-dichlorobenzene)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-1151.252665
Energy at 298.15K-1151.256857
HF Energy-1151.252665
Nuclear repulsion energy452.315895
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 B3PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3249 3114 0.66      
2 A1 3240 3105 1.65      
3 A1 3212 3078 4.84      
4 A1 1640 1572 26.44      
5 A1 1454 1394 13.64      
6 A1 1148 1100 21.60      
7 A1 1107 1061 15.30      
8 A1 1009 967 5.62      
9 A1 675 647 2.07      
10 A1 404 387 3.45      
11 A1 199 191 0.44      
12 A2 903 866 0.00      
13 A2 543 521 0.00      
14 A2 205 196 0.00      
15 B1 982 941 0.26      
16 B1 880 844 14.63      
17 B1 786 753 41.70      
18 B1 685 656 11.94      
19 B1 444 425 3.51      
20 B1 169 162 0.02      
21 B2 3236 3101 0.66      
22 B2 1643 1575 76.92      
23 B2 1504 1441 74.81      
24 B2 1366 1309 0.12      
25 B2 1296 1242 3.06      
26 B2 1191 1142 0.23      
27 B2 1109 1063 23.56      
28 B2 798 765 90.52      
29 B2 433 415 4.48      
30 B2 371 356 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 17939.7 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 17193.4 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 B3PW91/6-31G**
ABC
0.09421 0.02860 0.02194

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.075
C2 0.000 1.212 1.389
C3 0.000 -1.212 1.389
C4 0.000 1.195 -0.003
C5 0.000 -1.195 -0.003
C6 0.000 0.000 -0.718
Cl7 0.000 2.702 -0.881
Cl8 0.000 -2.702 -0.881
H9 0.000 0.000 3.160
H10 0.000 2.157 1.922
H11 0.000 -2.157 1.922
H12 0.000 0.000 -1.802

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39271.39272.39712.39712.79294.00484.00481.08582.16212.16213.8762
C21.39272.42461.39262.78102.43122.71554.52512.14651.08413.41083.4132
C31.39272.42462.78101.39262.43124.52512.71552.14653.41081.08413.4132
C42.39711.39262.78102.39011.39261.74413.99473.38202.15183.86512.1591
C52.39712.78101.39262.39011.39263.99471.74413.38203.86512.15182.1591
C62.79292.43122.43121.39261.39262.70692.70693.87873.40883.40881.0833
Cl74.00482.71554.52511.74413.99472.70695.40404.86182.85545.60922.8544
Cl84.00484.52512.71553.99471.74412.70695.40404.86185.60922.85542.8544
H91.08582.14652.14653.38203.38203.87874.86184.86182.48722.48724.9620
H102.16211.08413.41082.15183.86513.40882.85545.60922.48724.31334.3027
H112.16213.41081.08413.86512.15183.40885.60922.85542.48724.31334.3027
H123.87623.41323.41322.15912.15911.08332.85442.85444.96204.30274.3027

picture of 1,3-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 118.777 C1 C2 H10 121.098
C1 C3 C5 118.777 C1 C3 H11 121.098
C2 C1 C3 121.026 C2 C1 H9 119.487
C2 C4 C6 121.599 C2 C4 Cl7 119.514
C3 C1 H9 119.487 C3 C5 C6 121.599
C3 C5 Cl8 119.514 C4 C2 H10 120.125
C4 C6 C5 118.221 C4 C6 H12 120.889
C5 C3 H11 120.125 C5 C6 H12 120.889
C6 C4 Cl7 118.886 C6 C5 Cl8 118.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C -0.093      
3 C -0.093      
4 C -0.132      
5 C -0.132      
6 C -0.071      
7 Cl 0.015      
8 Cl 0.015      
9 H 0.143      
10 H 0.151      
11 H 0.151      
12 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.765 1.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.740 0.000 0.000
y 0.000 -61.369 0.000
z 0.000 0.000 -52.464
Traceless
 xyz
x -4.823 0.000 0.000
y 0.000 -4.267 0.000
z 0.000 0.000 9.091
Polar
3z2-r218.181
x2-y2-0.371
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.577 0.000 0.000
y 0.000 16.997 0.000
z 0.000 0.000 13.170


<r2> (average value of r2) Å2
<r2> 427.961
(<r2>)1/2 20.687