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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-1150.839191
Energy at 298.15K-1150.843389
HF Energy-1150.839191
Nuclear repulsion energy449.617350
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 PBE1PBE/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 Ag 3258 3096 0.00      
2 Ag 1666 1583 0.00      
3 Ag 1210 1150 0.00      
4 Ag 1139 1083 0.00      
5 Ag 771 732 0.00      
6 Ag 336 319 0.00      
7 Au 969 921 0.00      
8 Au 421 400 0.00      
9 B1g 833 791 0.00      
10 B1u 3243 3082 1.48      
11 B1u 1533 1457 114.60      
12 B1u 1129 1073 98.25      
13 B1u 1030 978 58.48      
14 B1u 564 536 33.61      
15 B2g 960 913 0.00      
16 B2g 704 669 0.00      
17 B2g 302 287 0.00      
18 B2u 3257 3095 1.26      
19 B2u 1450 1378 5.98      
20 B2u 1361 1293 0.01      
21 B2u 1138 1082 5.71      
22 B2u 225 214 1.06      
23 B3g 3245 3083 0.00      
24 B3g 1655 1573 0.00      
25 B3g 1324 1258 0.00      
26 B3g 640 608 0.00      
27 B3g 360 342 0.00      
28 B3u 834 793 58.00      
29 B3u 498 473 15.86      
30 B3u 104 99 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 18079.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 17180.5 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 PBE1PBE/6-31G*
ABC
0.18966 0.02231 0.01996

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.381
C2 0.000 0.000 -1.381
C3 0.000 1.210 0.695
C4 0.000 -1.210 0.695
C5 0.000 -1.210 -0.695
C6 0.000 1.210 -0.695
Cl7 0.000 0.000 3.119
Cl8 0.000 0.000 -3.119
H9 0.000 2.146 1.244
H10 0.000 -2.146 1.244
H11 0.000 -2.146 -1.244
H12 0.000 2.146 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76281.39131.39132.40362.40361.73764.50032.15082.15083.39103.3910
C22.76282.40362.40361.39131.39134.50031.73763.39103.39102.15082.1508
C31.39132.40362.42062.79161.39052.70914.00161.08503.40123.87662.1533
C41.39132.40362.42061.39052.79162.70914.00163.40121.08502.15333.8766
C52.40361.39132.79161.39052.42064.00162.70913.87662.15331.08503.4012
C62.40361.39131.39052.79162.42064.00162.70912.15333.87663.40121.0850
Cl71.73764.50032.70912.70914.00164.00166.23792.85012.85014.86224.8622
Cl84.50031.73764.00164.00162.70912.70916.23794.86224.86222.85012.8501
H92.15083.39101.08503.40123.87662.15332.85014.86224.29284.96152.4878
H102.15083.39103.40121.08502.15333.87662.85014.86224.29282.48784.9615
H113.39102.15083.87662.15331.08503.40124.86222.85014.96152.48784.2928
H123.39102.15082.15333.87663.40121.08504.86222.85012.48784.96154.2928

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.549 C1 C3 H9 120.077
C1 C4 C5 119.549 C1 C4 H10 120.077
C2 C5 C4 119.549 C2 C5 H11 120.077
C2 C6 C3 119.549 C2 C6 H12 120.077
C3 C1 C4 120.902 C3 C1 Cl7 119.549
C3 C6 H12 120.374 C4 C1 Cl7 119.549
C4 C5 H11 120.374 C5 C2 C6 120.902
C5 C2 Cl8 119.549 C5 C4 H10 120.374
C6 C2 Cl8 119.549 C6 C3 H9 120.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 C -0.117      
3 C -0.154      
4 C -0.154      
5 C -0.154      
6 C -0.154      
7 Cl 0.019      
8 Cl 0.019      
9 H 0.204      
10 H 0.204      
11 H 0.204      
12 H 0.204      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.964 0.000 0.000
y 0.000 -51.628 0.000
z 0.000 0.000 -64.879
Traceless
 xyz
x -3.710 0.000 0.000
y 0.000 11.793 0.000
z 0.000 0.000 -8.083
Polar
3z2-r2-16.166
x2-y2-10.336
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.538 0.000 0.000
y 0.000 11.383 0.000
z 0.000 0.000 18.589


<r2> (average value of r2) Å2
<r2> 462.177
(<r2>)1/2 21.498