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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-1145.758308
Energy at 298.15K-1145.762559
HF Energy-1145.758308
Nuclear repulsion energy462.252770
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 B3LYP/3-21G
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 3242 3128 2.29      
2 A1 3224 3110 5.00      
3 A1 1610 1554 1.98      
4 A1 1515 1462 55.29      
5 A1 1314 1268 0.51      
6 A1 1232 1189 0.06      
7 A1 1152 1111 33.71      
8 A1 1060 1023 7.21      
9 A1 685 661 16.06      
10 A1 456 440 12.60      
11 A1 187 180 0.00      
12 A2 1041 1004 0.00      
13 A2 907 875 0.00      
14 A2 758 731 0.00      
15 A2 540 521 0.00      
16 A2 142 137 0.00      
17 B1 998 963 3.75      
18 B1 785 758 79.70      
19 B1 463 447 7.66      
20 B1 237 228 1.20      
21 B2 3238 3124 0.18      
22 B2 3210 3097 1.60      
23 B2 1606 1549 5.86      
24 B2 1495 1442 18.58      
25 B2 1317 1271 3.84      
26 B2 1164 1123 1.63      
27 B2 1070 1033 41.39      
28 B2 745 719 26.32      
29 B2 411 397 1.74      
30 B2 326 314 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 18063.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17429.6 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 B3LYP/3-21G
ABC
0.06185 0.04599 0.02638

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.693 0.007
C2 0.000 -0.693 0.007
C3 0.000 1.397 1.206
C4 0.000 -1.397 1.206
C5 0.000 0.699 2.414
C6 0.000 -0.699 2.414
Cl7 0.000 1.635 -1.547
Cl8 0.000 -1.635 -1.547
H9 0.000 2.479 1.185
H10 0.000 -2.479 1.185
H11 0.000 1.246 3.348
H12 0.000 -1.246 3.348

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38621.39052.40992.40692.78021.81692.79892.13903.38343.38673.8631
C21.38622.40991.39052.78022.40692.79891.81693.38342.13903.86313.3867
C31.39052.40992.79451.39532.41892.76314.09541.08173.87612.14763.4021
C42.40991.39052.79452.41891.39534.09542.76313.87611.08173.40212.1476
C52.40692.78021.39532.41891.39714.06984.59692.16343.40691.08282.1572
C62.78022.40692.41891.39531.39714.59694.06983.40692.16342.15721.0828
Cl71.81692.79892.76314.09544.06984.59693.26982.85874.93794.91055.6797
Cl82.79891.81694.09542.76314.59694.06983.26984.93792.85875.67974.9105
H92.13903.38341.08173.87612.16343.40692.85874.93794.95762.49044.3074
H103.38342.13903.87611.08173.40692.16344.93792.85874.95764.30742.4904
H113.38673.86312.14763.40211.08282.15724.91055.67972.49044.30742.4914
H123.86313.38673.40212.14762.15721.08285.67974.91054.30742.49042.4914

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 120.424 C1 C2 Cl8 121.222
C1 C3 C5 119.526 C1 C3 H9 119.286
C2 C1 C3 120.424 C2 C1 Cl7 121.222
C2 C4 C6 119.526 C2 C4 H10 119.286
C3 C1 Cl7 118.354 C3 C5 C6 120.050
C3 C5 H11 119.600 C4 C2 Cl8 118.354
C4 C6 C5 120.050 C4 C6 H12 119.600
C5 C3 H9 121.188 C5 C6 H12 120.350
C6 C4 H10 121.188 C6 C5 H11 120.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.260      
2 C -0.260      
3 C -0.141      
4 C -0.141      
5 C -0.179      
6 C -0.179      
7 Cl 0.146      
8 Cl 0.146      
9 H 0.227      
10 H 0.227      
11 H 0.207      
12 H 0.207      


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 3.502 3.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.639 0.000 0.000
y 0.000 -56.021 0.000
z 0.000 0.000 -54.967
Traceless
 xyz
x -8.146 0.000 0.000
y 0.000 3.282 0.000
z 0.000 0.000 4.863
Polar
3z2-r29.727
x2-y2-7.619
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.025 0.000 0.000
y 0.000 12.660 0.000
z 0.000 0.000 15.503


<r2> (average value of r2) Å2
<r2> 371.626
(<r2>)1/2 19.278