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

using model chemistry: PBE1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1150.852860
Energy at 298.15K-1150.857087
HF Energy-1150.852860
Nuclear repulsion energy449.453735
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/6-31+G**
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 3251 3105 0.00      
2 Ag 1657 1583 0.00      
3 Ag 1201 1147 0.00      
4 Ag 1134 1083 0.00      
5 Ag 769 734 0.00      
6 Ag 335 320 0.00      
7 Au 978 934 0.00      
8 Au 421 402 0.00      
9 B1g 831 793 0.00      
10 B1u 3236 3091 1.15      
11 B1u 1521 1453 121.51      
12 B1u 1124 1074 100.50      
13 B1u 1027 981 56.31      
14 B1u 563 538 34.22      
15 B2g 960 917 0.00      
16 B2g 713 681 0.00      
17 B2g 302 288 0.00      
18 B2u 3249 3104 0.57      
19 B2u 1441 1376 5.64      
20 B2u 1356 1296 0.07      
21 B2u 1131 1080 6.63      
22 B2u 225 215 0.83      
23 B3g 3237 3093 0.00      
24 B3g 1647 1573 0.00      
25 B3g 1314 1255 0.00      
26 B3g 638 609 0.00      
27 B3g 360 344 0.00      
28 B3u 836 798 62.77      
29 B3u 497 475 21.81      
30 B3u 103 99 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 18025.9 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 17220.2 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 PBE1PBE/6-31+G**
ABC
0.18953 0.02229 0.01995

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.383
C2 0.000 0.000 -1.383
C3 0.000 1.211 0.696
C4 0.000 -1.211 0.696
C5 0.000 -1.211 -0.696
C6 0.000 1.211 -0.696
Cl7 0.000 0.000 3.120
Cl8 0.000 0.000 -3.120
H9 0.000 2.147 1.244
H10 0.000 -2.147 1.244
H11 0.000 -2.147 -1.244
H12 0.000 2.147 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76541.39201.39202.40552.40551.73744.50272.15162.15163.39233.3923
C22.76542.40552.40551.39201.39204.50271.73743.39233.39232.15162.1516
C31.39202.40552.42142.79291.39172.70974.00341.08493.40223.87772.1538
C41.39202.40552.42141.39172.79292.70974.00343.40221.08492.15383.8777
C52.40551.39202.79291.39172.42144.00342.70973.87772.15381.08493.4022
C62.40551.39201.39172.79292.42144.00342.70972.15383.87773.40221.0849
Cl71.73744.50272.70972.70974.00344.00346.24012.85142.85144.86344.8634
Cl84.50271.73744.00344.00342.70972.70976.24014.86344.86342.85142.8514
H92.15163.39231.08493.40223.87772.15382.85144.86344.29424.96262.4874
H102.15163.39233.40221.08492.15383.87772.85144.86344.29422.48744.9626
H113.39232.15163.87772.15381.08493.40224.86342.85144.96262.48744.2942
H123.39232.15162.15383.87773.40221.08494.86342.85142.48744.96264.2942

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 119.565 C1 C3 H9 120.105
C1 C4 C5 119.565 C1 C4 H10 120.105
C2 C5 C4 119.565 C2 C5 H11 120.105
C2 C6 C3 119.565 C2 C6 H12 120.105
C3 C1 C4 120.869 C3 C1 Cl7 119.565
C3 C6 H12 120.330 C4 C1 Cl7 119.565
C4 C5 H11 120.330 C5 C2 C6 120.869
C5 C2 Cl8 119.565 C5 C4 H10 120.330
C6 C2 Cl8 119.565 C6 C3 H9 120.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 C -0.113      
3 C -0.276      
4 C -0.276      
5 C -0.276      
6 C -0.276      
7 Cl 0.294      
8 Cl 0.294      
9 H 0.185      
10 H 0.185      
11 H 0.185      
12 H 0.185      


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 -63.043 0.000 0.000
y 0.000 -52.522 0.000
z 0.000 0.000 -65.877
Traceless
 xyz
x -3.843 0.000 0.000
y 0.000 11.938 0.000
z 0.000 0.000 -8.095
Polar
3z2-r2-16.189
x2-y2-10.521
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.413 0.000 0.000
y 0.000 12.889 0.000
z 0.000 0.000 19.912


<r2> (average value of r2) Å2
<r2> 463.127
(<r2>)1/2 21.520