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

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-66.153578
Energy at 298.15K-66.157685
HF Energy-66.153578
Nuclear repulsion energy164.137654
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/CEP-121G*
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 3197 3099 6.66      
2 A1 3180 3083 15.74      
3 A1 1589 1540 3.91      
4 A1 1473 1428 63.94      
5 A1 1288 1248 0.92      
6 A1 1169 1133 0.37      
7 A1 1130 1095 50.56      
8 A1 1037 1006 11.19      
9 A1 660 639 16.84      
10 A1 471 457 8.04      
11 A1 195 189 0.02      
12 A2 975 945 0.00      
13 A2 868 841 0.00      
14 A2 673 652 0.00      
15 A2 514 498 0.00      
16 A2 137 133 0.00      
17 B1 945 916 1.59      
18 B1 768 744 73.37      
19 B1 445 432 5.08      
20 B1 234 226 1.30      
21 B2 3194 3096 10.51      
22 B2 3166 3069 2.50      
23 B2 1594 1546 8.60      
24 B2 1442 1398 18.53      
25 B2 1258 1220 3.89      
26 B2 1132 1098 1.91      
27 B2 1028 997 42.99      
28 B2 738 716 21.60      
29 B2 419 407 0.76      
30 B2 330 320 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 17623.7 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 17084.4 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 B3LYP/CEP-121G*
ABC
0.06215 0.04666 0.02665

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.705 -0.025
C2 0.000 -0.705 -0.025
C3 0.000 1.405 1.194
C4 0.000 -1.405 1.194
C5 0.000 0.703 2.408
C6 0.000 -0.703 2.408
Cl7 0.000 1.624 -1.529
Cl8 0.000 -1.624 -1.529
H9 0.000 2.492 1.177
H10 0.000 -2.492 1.177
H11 0.000 1.254 3.347
H12 0.000 -1.254 3.347

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40951.40602.43662.43362.81131.76212.77182.15363.41503.41633.8997
C21.40952.43661.40602.81132.43362.77181.76213.41502.15363.89973.4163
C31.40602.43662.80961.40272.43232.73154.07261.08713.89672.15773.4213
C42.43661.40602.80962.43231.40274.07262.73153.89671.08713.42132.1577
C52.43362.81131.40272.43231.40534.04344.57312.17223.42381.08842.1703
C62.81132.43362.43231.40271.40534.57314.04343.42382.17222.17031.0884
Cl71.76212.77182.73154.07264.04344.57313.24792.84104.92524.88915.6615
Cl82.77181.76214.07262.73154.57314.04343.24794.92522.84105.66154.8891
H92.15363.41501.08713.89672.17223.42382.84104.92524.98362.49804.3294
H103.41502.15363.89671.08713.42382.17224.92522.84104.98364.32942.4980
H113.41633.89972.15773.42131.08842.17034.88915.66152.49804.32942.5089
H123.89973.41633.42132.15772.17031.08845.66154.88914.32942.49802.5089

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 119.863 C1 C2 Cl8 121.443
C1 C3 C5 120.099 C1 C3 H9 118.939
C2 C1 C3 119.863 C2 C1 Cl7 121.443
C2 C4 C6 120.099 C2 C4 H10 118.939
C3 C1 Cl7 118.694 C3 C5 C6 120.038
C3 C5 H11 119.498 C4 C2 Cl8 118.694
C4 C6 C5 120.038 C4 C6 H12 119.498
C5 C3 H9 120.962 C5 C6 H12 120.464
C6 C4 H10 120.962 C6 C5 H11 120.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.052      
2 C 0.052      
3 C -0.260      
4 C -0.260      
5 C -0.203      
6 C -0.203      
7 Cl -0.049      
8 Cl -0.049      
9 H 0.245      
10 H 0.245      
11 H 0.215      
12 H 0.215      


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 2.664 2.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.438 0.000 0.000
y 0.000 -54.468 0.000
z 0.000 0.000 -53.077
Traceless
 xyz
x -7.666 0.000 0.000
y 0.000 2.790 0.000
z 0.000 0.000 4.876
Polar
3z2-r29.752
x2-y2-6.971
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.041 0.000 0.000
y 0.000 14.868 0.000
z 0.000 0.000 17.532


<r2> (average value of r2) Å2
<r2> 227.074
(<r2>)1/2 15.069