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

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1150.933401
Energy at 298.15K-1150.937615
HF Energy-1150.933401
Nuclear repulsion energy450.237355
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/6-311G*
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 3238 3104 0.00      
2 Ag 1656 1587 0.00      
3 Ag 1204 1154 0.00      
4 Ag 1132 1085 0.00      
5 Ag 767 735 0.00      
6 Ag 335 321 0.00      
7 Au 965 925 0.00      
8 Au 421 404 0.00      
9 B1g 826 791 0.00      
10 B1u 3223 3089 2.43      
11 B1u 1525 1462 122.06      
12 B1u 1122 1076 107.01      
13 B1u 1030 987 60.89      
14 B1u 561 538 35.69      
15 B2g 954 915 0.00      
16 B2g 706 677 0.00      
17 B2g 299 286 0.00      
18 B2u 3237 3102 3.56      
19 B2u 1443 1383 6.71      
20 B2u 1345 1289 0.05      
21 B2u 1133 1086 5.13      
22 B2u 224 215 0.55      
23 B3g 3224 3090 0.00      
24 B3g 1647 1579 0.00      
25 B3g 1322 1267 0.00      
26 B3g 640 614 0.00      
27 B3g 360 345 0.00      
28 B3u 827 792 57.93      
29 B3u 497 477 28.92      
30 B3u 103 99 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 17982.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 17236.4 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 PBE1PBE/6-311G*
ABC
0.19052 0.02236 0.02001

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.379
C2 0.000 0.000 -1.379
C3 0.000 1.207 0.694
C4 0.000 -1.207 0.694
C5 0.000 -1.207 -0.694
C6 0.000 1.207 -0.694
Cl7 0.000 0.000 3.116
Cl8 0.000 0.000 -3.116
H9 0.000 2.143 1.241
H10 0.000 -2.143 1.241
H11 0.000 -2.143 -1.241
H12 0.000 2.143 -1.241

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75781.38811.38812.39892.39891.73714.49482.14722.14723.38503.3850
C22.75782.39892.39891.38811.38814.49481.73713.38503.38502.14722.1472
C31.38812.39892.41472.78521.38802.70623.99671.08393.39463.86912.1497
C41.38812.39892.41471.38802.78522.70623.99673.39461.08392.14973.8691
C52.39891.38812.78521.38802.41473.99672.70623.86912.14971.08393.3946
C62.39891.38811.38802.78522.41473.99672.70622.14973.86913.39461.0839
Cl71.73714.49482.70622.70623.99673.99676.23192.84702.84704.85584.8558
Cl84.49481.73713.99673.99672.70622.70626.23194.85584.85582.84702.8470
H92.14723.38501.08393.39463.86912.14972.84704.85584.28574.95302.4830
H102.14723.38503.39461.08392.14973.86912.84704.85584.28572.48304.9530
H113.38502.14723.86912.14971.08393.39464.85582.84704.95302.48304.2857
H123.38502.14722.14973.86913.39461.08394.85582.84702.48304.95304.2857

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 119.564 C1 C3 H9 120.097
C1 C4 C5 119.564 C1 C4 H10 120.097
C2 C5 C4 119.564 C2 C5 H11 120.097
C2 C6 C3 119.564 C2 C6 H12 120.097
C3 C1 C4 120.871 C3 C1 Cl7 119.564
C3 C6 H12 120.338 C4 C1 Cl7 119.564
C4 C5 H11 120.338 C5 C2 C6 120.871
C5 C2 Cl8 119.564 C5 C4 H10 120.338
C6 C2 Cl8 119.564 C6 C3 H9 120.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C -0.188      
3 C -0.120      
4 C -0.120      
5 C -0.120      
6 C -0.120      
7 Cl -0.058      
8 Cl -0.058      
9 H 0.243      
10 H 0.243      
11 H 0.243      
12 H 0.243      


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 -63.345 0.000 0.000
y 0.000 -52.309 0.000
z 0.000 0.000 -65.845
Traceless
 xyz
x -4.268 0.000 0.000
y 0.000 12.286 0.000
z 0.000 0.000 -8.018
Polar
3z2-r2-16.036
x2-y2-11.036
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.067 0.000 0.000
y 0.000 11.763 0.000
z 0.000 0.000 19.563


<r2> (average value of r2) Å2
<r2> 461.788
(<r2>)1/2 21.489