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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-1150.748467
Energy at 298.15K-1150.752445
HF Energy-1150.748467
Nuclear repulsion energy446.098860
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 PBEPBE/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 3163 3119 0.00      
2 Ag 1588 1566 0.00      
3 Ag 1165 1149 0.00      
4 Ag 1088 1073 0.00      
5 Ag 738 728 0.00      
6 Ag 323 318 0.00      
7 Au 919 906 0.00      
8 Au 406 400 0.00      
9 B1g 790 779 0.00      
10 B1u 3148 3105 1.58      
11 B1u 1467 1446 106.97      
12 B1u 1077 1062 99.56      
13 B1u 990 976 63.82      
14 B1u 537 530 38.13      
15 B2g 912 899 0.00      
16 B2g 673 664 0.00      
17 B2g 289 285 0.00      
18 B2u 3161 3118 1.51      
19 B2u 1394 1375 4.22      
20 B2u 1342 1324 0.06      
21 B2u 1096 1081 6.24      
22 B2u 217 214 0.98      
23 B3g 3149 3106 0.00      
24 B3g 1583 1561 0.00      
25 B3g 1270 1252 0.00      
26 B3g 617 609 0.00      
27 B3g 347 343 0.00      
28 B3u 793 782 49.89      
29 B3u 475 469 13.59      
30 B3u 99 98 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 17406.8 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 17168.4 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 PBEPBE/6-31G**
ABC
0.18678 0.02196 0.01965

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.390
C2 0.000 0.000 -1.390
C3 0.000 1.220 0.700
C4 0.000 -1.220 0.700
C5 0.000 -1.220 -0.700
C6 0.000 1.220 -0.700
Cl7 0.000 0.000 3.144
Cl8 0.000 0.000 -3.144
H9 0.000 2.162 1.252
H10 0.000 -2.162 1.252
H11 0.000 -2.162 -1.252
H12 0.000 2.162 -1.252

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.78101.40151.40152.42042.42041.75384.53482.16662.16663.41463.4146
C22.78102.42042.42041.40151.40154.53481.75383.41463.41462.16662.1666
C31.40152.42042.43942.81281.40042.73154.03331.09233.42673.90502.1680
C41.40152.42042.43941.40042.81282.73154.03333.42671.09232.16803.9050
C52.42041.40152.81281.40042.43944.03332.73153.90502.16801.09233.4267
C62.42041.40151.40042.81282.43944.03332.73152.16803.90503.42671.0923
Cl71.75384.53482.73152.73154.03334.03336.28862.87312.87314.89954.8995
Cl84.53481.75384.03334.03332.73152.73156.28864.89954.89952.87312.8731
H92.16663.41461.09233.42673.90502.16802.87314.89954.32444.99732.5045
H102.16663.41463.42671.09232.16803.90502.87314.89954.32442.50454.9973
H113.41462.16663.90502.16801.09233.42674.89952.87314.99732.50454.3244
H123.41462.16662.16803.90503.42671.09234.89952.87312.50454.99734.3244

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 119.509 C1 C3 H9 120.131
C1 C4 C5 119.509 C1 C4 H10 120.131
C2 C5 C4 119.509 C2 C5 H11 120.131
C2 C6 C3 119.509 C2 C6 H12 120.131
C3 C1 C4 120.983 C3 C1 Cl7 119.509
C3 C6 H12 120.360 C4 C1 Cl7 119.509
C4 C5 H11 120.360 C5 C2 C6 120.983
C5 C2 Cl8 119.509 C5 C4 H10 120.360
C6 C2 Cl8 119.509 C6 C3 H9 120.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C -0.120      
3 C -0.074      
4 C -0.074      
5 C -0.074      
6 C -0.074      
7 Cl 0.010      
8 Cl 0.010      
9 H 0.129      
10 H 0.129      
11 H 0.129      
12 H 0.129      


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 -61.727 0.000 0.000
y 0.000 -51.977 0.000
z 0.000 0.000 -64.701
Traceless
 xyz
x -3.388 0.000 0.000
y 0.000 11.237 0.000
z 0.000 0.000 -7.849
Polar
3z2-r2-15.697
x2-y2-9.750
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.620 0.000 0.000
y 0.000 11.808 0.000
z 0.000 0.000 19.644


<r2> (average value of r2) Å2
<r2> 468.930
(<r2>)1/2 21.655