return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-1150.896138
Energy at 298.15K-1150.900402
HF Energy-1150.896138
Nuclear repulsion energy469.912094
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3250 3102 3.53      
2 A1 3235 3087 5.92      
3 A1 1649 1574 4.35      
4 A1 1511 1442 67.95      
5 A1 1363 1300 1.26      
6 A1 1190 1136 4.01      
7 A1 1171 1117 43.70      
8 A1 1075 1026 7.19      
9 A1 678 647 16.86      
10 A1 491 469 6.91      
11 A1 205 196 0.01      
12 A2 995 950 0.00      
13 A2 872 833 0.00      
14 A2 712 679 0.00      
15 A2 526 502 0.00      
16 A2 139 133 0.00      
17 B1 958 914 1.99      
18 B1 768 733 59.79      
19 B1 451 430 4.30      
20 B1 239 228 0.78      
21 B2 3246 3097 2.46      
22 B2 3222 3075 1.08      
23 B2 1659 1583 7.97      
24 B2 1479 1411 20.17      
25 B2 1283 1225 2.95      
26 B2 1164 1111 1.78      
27 B2 1050 1002 39.59      
28 B2 760 725 18.51      
29 B2 438 418 0.49      
30 B2 343 328 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 18061.7 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 17236.3 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 HSEh1PBE/6-31G**
ABC
0.06391 0.04778 0.02734

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 -0.031
C2 0.000 -0.699 -0.031
C3 0.000 1.390 1.179
C4 0.000 -1.390 1.179
C5 0.000 0.696 2.382
C6 0.000 -0.696 2.382
Cl7 0.000 1.598 -1.509
Cl8 0.000 -1.598 -1.509
H9 0.000 2.475 1.161
H10 0.000 -2.475 1.161
H11 0.000 1.246 3.317
H12 0.000 -1.246 3.317

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39821.39322.41432.41252.78671.73032.73172.13823.39003.39233.8719
C21.39822.41431.39322.78672.41252.73171.73033.39002.13823.87193.3923
C31.39322.41432.78061.38892.40802.69634.01941.08453.86502.14323.3943
C42.41431.39322.78062.40801.38894.01942.69633.86501.08453.39432.1432
C52.41252.78671.38892.40801.39163.99434.51682.15763.39751.08522.1552
C62.78672.41252.40801.38891.39164.51683.99433.39752.15762.15521.0852
Cl71.73032.73172.69634.01943.99434.51683.19562.81034.86974.83955.6020
Cl82.73171.73034.01942.69634.51683.99433.19564.86972.81035.60204.8395
H92.13823.39001.08453.86502.15763.39752.81034.86974.94922.48214.3003
H103.39002.13823.86501.08453.39752.15764.86972.81034.94924.30032.4821
H113.39233.87192.14323.39431.08522.15524.83955.60202.48214.30032.4916
H123.87193.39233.39432.14322.15521.08525.60204.83954.30032.48212.4916

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 119.743 C1 C2 Cl8 121.291
C1 C3 C5 120.255 C1 C3 H9 118.775
C2 C1 C3 119.743 C2 C1 Cl7 121.291
C2 C4 C6 120.255 C2 C4 H10 118.775
C3 C1 Cl7 118.966 C3 C5 C6 120.001
C3 C5 H11 119.547 C4 C2 Cl8 118.966
C4 C6 C5 120.001 C4 C6 H12 119.547
C5 C3 H9 120.969 C5 C6 H12 120.451
C6 C4 H10 120.969 C6 C5 H11 120.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.124      
2 C -0.124      
3 C -0.094      
4 C -0.094      
5 C -0.118      
6 C -0.118      
7 Cl 0.044      
8 Cl 0.044      
9 H 0.154      
10 H 0.154      
11 H 0.139      
12 H 0.139      


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 2.702 2.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.861 0.000 0.000
y 0.000 -55.035 0.000
z 0.000 0.000 -53.894
Traceless
 xyz
x -7.396 0.000 0.000
y 0.000 2.842 0.000
z 0.000 0.000 4.554
Polar
3z2-r29.108
x2-y2-6.826
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.558 0.000 0.000
y 0.000 13.556 0.000
z 0.000 0.000 16.078


<r2> (average value of r2) Å2
<r2> 359.508
(<r2>)1/2 18.961