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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-1145.949390
Energy at 298.15K-1145.953796
HF Energy-1145.949390
Nuclear repulsion energy469.853403
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 mPW1PW91/3-21G*
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 3263 3099 2.54      
2 A1 3246 3082 3.29      
3 A1 1622 1541 1.55      
4 A1 1523 1447 67.23      
5 A1 1329 1262 0.16      
6 A1 1239 1176 0.10      
7 A1 1174 1114 39.77      
8 A1 1076 1022 7.59      
9 A1 697 662 14.06      
10 A1 493 468 8.18      
11 A1 206 196 0.02      
12 A2 1047 994 0.00      
13 A2 912 866 0.00      
14 A2 766 728 0.00      
15 A2 546 518 0.00      
16 A2 144 137 0.00      
17 B1 1002 952 3.54      
18 B1 790 750 90.32      
19 B1 464 441 9.00      
20 B1 244 232 2.18      
21 B2 3256 3092 0.58      
22 B2 3234 3071 0.89      
23 B2 1634 1552 4.77      
24 B2 1499 1423 22.04      
25 B2 1324 1257 5.54      
26 B2 1181 1121 2.69      
27 B2 1092 1037 31.90      
28 B2 775 736 19.78      
29 B2 447 424 0.46      
30 B2 350 332 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 18286.5 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 17364.8 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 mPW1PW91/3-21G*
ABC
0.06424 0.04760 0.02734

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.698 -0.027
C2 0.000 -0.698 -0.027
C3 0.000 1.391 1.181
C4 0.000 -1.391 1.181
C5 0.000 0.697 2.386
C6 0.000 -0.697 2.386
Cl7 0.000 1.592 -1.513
Cl8 0.000 -1.592 -1.513
H9 0.000 2.473 1.162
H10 0.000 -2.473 1.162
H11 0.000 1.244 3.319
H12 0.000 -1.244 3.319

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39581.39282.41332.41262.78671.73402.72962.13663.38653.39053.8691
C21.39582.41331.39282.78672.41262.72961.73403.38652.13663.86913.3905
C31.39282.41332.78241.39042.41052.70144.01941.08193.86422.14323.3939
C42.41331.39282.78242.41051.39044.01942.70143.86421.08193.39392.1432
C52.41262.78671.39042.41051.39343.99994.52052.15673.39751.08242.1540
C62.78672.41262.41051.39041.39344.52053.99993.39752.15672.15401.0824
Cl71.73402.72962.70144.01943.99994.52053.18352.81664.86604.84465.6030
Cl82.72961.73404.01942.70144.52053.99993.18354.86602.81665.60304.8446
H92.13663.38651.08193.86422.15673.39752.81664.86604.94592.48224.2978
H103.38652.13663.86421.08193.39752.15674.86602.81664.94594.29782.4822
H113.39053.86912.14323.39391.08242.15404.84465.60302.48224.29782.4889
H123.86913.39053.39392.14322.15401.08245.60304.84464.29782.48222.4889

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 119.851 C1 C2 Cl8 121.028
C1 C3 C5 120.183 C1 C3 H9 118.858
C2 C1 C3 119.851 C2 C1 Cl7 121.028
C2 C4 C6 120.183 C2 C4 H10 118.858
C3 C1 Cl7 119.121 C3 C5 C6 119.966
C3 C5 H11 119.633 C4 C2 Cl8 119.121
C4 C6 C5 119.966 C4 C6 H12 119.633
C5 C3 H9 120.960 C5 C6 H12 120.400
C6 C4 H10 120.960 C6 C5 H11 120.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C -0.188      
3 C -0.188      
4 C -0.188      
5 C -0.216      
6 C -0.216      
7 Cl 0.097      
8 Cl 0.097      
9 H 0.256      
10 H 0.256      
11 H 0.239      
12 H 0.239      


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 2.763 2.763
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.624 0.000 0.000
y 0.000 -54.823 0.000
z 0.000 0.000 -53.561
Traceless
 xyz
x -9.431 0.000 0.000
y 0.000 3.769 0.000
z 0.000 0.000 5.662
Polar
3z2-r211.324
x2-y2-8.800
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.603 0.000 0.000
y 0.000 12.796 0.000
z 0.000 0.000 15.382


<r2> (average value of r2) Å2
<r2> 359.777
(<r2>)1/2 18.968