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

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-1150.745186
Energy at 298.15K-1150.749210
HF Energy-1150.745186
Nuclear repulsion energy466.203297
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 PBEPBE/6-31G**
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 3159 3116 3.54      
2 A1 3144 3101 6.90      
3 A1 1581 1559 4.30      
4 A1 1452 1432 61.87      
5 A1 1344 1326 1.69      
6 A1 1154 1138 1.80      
7 A1 1121 1106 51.84      
8 A1 1039 1025 8.14      
9 A1 652 643 16.66      
10 A1 471 465 7.88      
11 A1 197 195 0.01      
12 A2 944 931 0.00      
13 A2 828 816 0.00      
14 A2 677 668 0.00      
15 A2 505 498 0.00      
16 A2 133 131 0.00      
17 B1 906 894 1.72      
18 B1 734 724 53.75      
19 B1 432 426 3.78      
20 B1 229 226 0.70      
21 B2 3155 3112 3.14      
22 B2 3132 3089 1.21      
23 B2 1587 1565 8.78      
24 B2 1424 1405 17.69      
25 B2 1238 1221 2.92      
26 B2 1125 1109 1.38      
27 B2 1006 992 40.37      
28 B2 730 720 20.57      
29 B2 421 415 0.66      
30 B2 330 326 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 17425.0 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 17186.2 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 PBEPBE/6-31G**
ABC
0.06288 0.04704 0.02691

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.705 -0.030
C2 0.000 -0.705 -0.030
C3 0.000 1.401 1.189
C4 0.000 -1.401 1.189
C5 0.000 0.701 2.400
C6 0.000 -0.701 2.400
Cl7 0.000 1.611 -1.521
Cl8 0.000 -1.611 -1.521
H9 0.000 2.493 1.170
H10 0.000 -2.493 1.170
H11 0.000 1.255 3.342
H12 0.000 -1.255 3.342

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40971.40352.43302.43012.80731.74542.75482.15373.41573.41683.9005
C21.40972.43301.40352.80732.43012.75481.74543.41572.15373.90053.4168
C31.40352.43302.80181.39912.42582.71844.05201.09243.89412.15843.4195
C42.43301.40352.80182.42581.39914.05202.71843.89411.09243.41952.1584
C52.43012.80731.39912.42581.40154.02594.55242.17393.42261.09322.1711
C62.80732.43012.42581.39911.40154.55244.02593.42262.17392.17111.0932
Cl71.74542.75482.71844.05204.02594.55243.22262.83234.90834.87675.6456
Cl82.75481.74544.05202.71844.55244.02593.22264.90832.83235.64564.8767
H92.15373.41571.09243.89412.17393.42262.83234.90834.98632.50014.3324
H103.41572.15373.89411.09243.42262.17394.90832.83234.98634.33242.5001
H113.41683.90052.15843.41951.09322.17114.87675.64562.50014.33242.5106
H123.90053.41683.41952.15842.17111.09325.64564.87674.33242.50012.5106

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 119.733 C1 C2 Cl8 121.290
C1 C3 C5 120.239 C1 C3 H9 118.752
C2 C1 C3 119.733 C2 C1 Cl7 121.290
C2 C4 C6 120.239 C2 C4 H10 118.752
C3 C1 Cl7 118.977 C3 C5 C6 120.028
C3 C5 H11 119.492 C4 C2 Cl8 118.977
C4 C6 C5 120.028 C4 C6 H12 119.492
C5 C3 H9 121.009 C5 C6 H12 120.480
C6 C4 H10 121.009 C6 C5 H11 120.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 C -0.110      
3 C -0.075      
4 C -0.075      
5 C -0.093      
6 C -0.093      
7 Cl 0.037      
8 Cl 0.037      
9 H 0.127      
10 H 0.127      
11 H 0.113      
12 H 0.113      


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 2.570 2.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.707 0.000 0.000
y 0.000 -55.167 0.000
z 0.000 0.000 -54.066
Traceless
 xyz
x -7.090 0.000 0.000
y 0.000 2.719 0.000
z 0.000 0.000 4.371
Polar
3z2-r28.743
x2-y2-6.539
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.603 0.000 0.000
y 0.000 14.072 0.000
z 0.000 0.000 16.799


<r2> (average value of r2) Å2
<r2> 364.730
(<r2>)1/2 19.098