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All results from a given calculation for C6H4Cl2 (1,2-dichlorobenzene)

using model chemistry: PBE1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-1150.984370
Energy at 298.15K-1150.988681
HF Energy-1150.984370
Nuclear repulsion energy471.769301
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/cc-pVTZ
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 3226 3100 3.02      
2 A1 3211 3086 5.00      
3 A1 1637 1573 4.07      
4 A1 1503 1445 67.96      
5 A1 1343 1291 1.38      
6 A1 1183 1137 6.01      
7 A1 1165 1119 40.13      
8 A1 1070 1028 7.65      
9 A1 677 651 15.10      
10 A1 490 471 5.90      
11 A1 200 193 0.01      
12 A2 1005 966 0.00      
13 A2 884 849 0.00      
14 A2 730 702 0.00      
15 A2 532 511 0.00      
16 A2 139 133 0.00      
17 B1 972 934 1.92      
18 B1 770 740 63.71      
19 B1 452 435 4.83      
20 B1 238 229 1.05      
21 B2 3222 3096 1.82      
22 B2 3198 3073 0.97      
23 B2 1646 1582 7.29      
24 B2 1473 1415 19.59      
25 B2 1280 1230 3.36      
26 B2 1158 1113 1.22      
27 B2 1056 1015 34.84      
28 B2 760 730 17.79      
29 B2 436 419 0.53      
30 B2 340 326 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 17997.9 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 17296.0 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/cc-pVTZ
ABC
0.06454 0.04811 0.02756

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.696 -0.030
C2 0.000 -0.696 -0.030
C3 0.000 1.385 1.175
C4 0.000 -1.385 1.175
C5 0.000 0.693 2.373
C6 0.000 -0.693 2.373
Cl7 0.000 1.589 -1.504
Cl8 0.000 -1.589 -1.504
H9 0.000 2.467 1.156
H10 0.000 -2.467 1.156
H11 0.000 1.242 3.307
H12 0.000 -1.242 3.307

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39241.38792.40492.40342.77621.72352.71952.13113.37813.38123.8589
C21.39242.40491.38792.77622.40342.71951.72353.37812.13113.85893.3812
C31.38792.40492.77031.38382.39942.68684.00291.08203.85222.13683.3834
C42.40491.38792.77032.39941.38384.00292.68683.85221.08203.38342.1368
C52.40342.77621.38382.39941.38693.97974.49952.15123.38691.08272.1488
C62.77622.40342.39941.38381.38694.49953.97973.38692.15122.14881.0827
Cl71.72352.71952.68684.00293.97974.49953.17812.80124.85054.82365.5822
Cl82.71951.72354.00292.68684.49953.97973.17814.85052.80125.58224.8236
H92.13113.37811.08203.85222.15123.38692.80124.85054.93392.47544.2876
H103.37812.13113.85221.08203.38692.15124.85052.80124.93394.28762.4754
H113.38123.85892.13683.38341.08272.14884.82365.58222.47544.28762.4840
H123.85893.38123.38342.13682.14881.08275.58224.82364.28762.47542.4840

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.762 C1 C2 Cl8 121.200
C1 C3 C5 120.248 C1 C3 H9 118.753
C2 C1 C3 119.762 C2 C1 Cl7 121.200
C2 C4 C6 120.248 C2 C4 H10 118.753
C3 C1 Cl7 119.038 C3 C5 C6 119.990
C3 C5 H11 119.571 C4 C2 Cl8 119.038
C4 C6 C5 119.990 C4 C6 H12 119.571
C5 C3 H9 120.999 C5 C6 H12 120.439
C6 C4 H10 120.999 C6 C5 H11 120.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 C 0.042      
3 C -0.101      
4 C -0.101      
5 C -0.114      
6 C -0.114      
7 Cl -0.089      
8 Cl -0.089      
9 H 0.134      
10 H 0.134      
11 H 0.128      
12 H 0.128      


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 2.466 2.466
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.148 0.000 0.000
y 0.000 -55.728 0.000
z 0.000 0.000 -54.551
Traceless
 xyz
x -7.009 0.000 0.000
y 0.000 2.622 0.000
z 0.000 0.000 4.387
Polar
3z2-r28.774
x2-y2-6.420
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.708 0.000 0.000
y 0.000 14.890 0.000
z 0.000 0.000 17.444


<r2> (average value of r2) Å2
<r2> 357.262
(<r2>)1/2 18.901