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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-1145.445181
Energy at 298.15K-1145.449589
HF Energy-1145.445181
Nuclear repulsion energy469.955200
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/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 3258 3127 2.50      
2 A1 3241 3111 3.09      
3 A1 1622 1557 1.72      
4 A1 1521 1460 68.47      
5 A1 1334 1280 0.20      
6 A1 1236 1187 0.13      
7 A1 1174 1127 40.10      
8 A1 1076 1033 7.48      
9 A1 697 670 14.01      
10 A1 494 474 8.12      
11 A1 207 199 0.02      
12 A2 1044 1002 0.00      
13 A2 911 874 0.00      
14 A2 766 735 0.00      
15 A2 546 524 0.00      
16 A2 144 139 0.00      
17 B1 1000 960 3.55      
18 B1 788 757 89.04      
19 B1 464 445 8.86      
20 B1 244 234 2.17      
21 B2 3251 3121 0.55      
22 B2 3229 3099 0.84      
23 B2 1634 1568 4.91      
24 B2 1497 1437 22.32      
25 B2 1322 1269 5.52      
26 B2 1180 1133 2.71      
27 B2 1092 1048 31.61      
28 B2 776 744 19.62      
29 B2 447 429 0.44      
30 B2 350 336 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 18271.6 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 17538.9 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/3-21G*
ABC
0.06432 0.04761 0.02736

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.590 -1.513
Cl8 0.000 -1.590 -1.513
H9 0.000 2.474 1.162
H10 0.000 -2.474 1.162
H11 0.000 1.245 3.320
H12 0.000 -1.245 3.320

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39611.39292.41352.41282.78701.73282.72812.13723.38763.39173.8704
C21.39612.41351.39292.78702.41282.72811.73283.38762.13723.87043.3917
C31.39292.41352.78241.39052.41062.70114.01811.08303.86532.14413.3950
C42.41351.39292.78242.41061.39054.01812.70113.86531.08303.39502.1441
C52.41282.78701.39052.41061.39363.99944.51972.15783.39881.08342.1550
C62.78702.41282.41061.39051.39364.51973.99943.39882.15782.15501.0834
Cl71.73282.72812.70114.01813.99944.51973.18032.81684.86524.84515.6031
Cl82.72811.73284.01812.70114.51973.99943.18034.86522.81685.60314.8451
H92.13723.38761.08303.86532.15783.39882.81684.86524.94802.48364.3000
H103.38762.13723.86531.08303.39882.15784.86522.81684.94804.30002.4836
H113.39173.87042.14413.39501.08342.15504.84515.60312.48364.30002.4901
H123.87043.39173.39502.14412.15501.08345.60314.84514.30002.48362.4901

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 119.844 C1 C2 Cl8 120.986
C1 C3 C5 120.195 C1 C3 H9 118.830
C2 C1 C3 119.844 C2 C1 Cl7 120.986
C2 C4 C6 120.195 C2 C4 H10 118.830
C3 C1 Cl7 119.170 C3 C5 C6 119.961
C3 C5 H11 119.638 C4 C2 Cl8 119.170
C4 C6 C5 119.961 C4 C6 H12 119.638
C5 C3 H9 120.976 C5 C6 H12 120.401
C6 C4 H10 120.976 C6 C5 H11 120.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C -0.188      
3 C -0.186      
4 C -0.186      
5 C -0.213      
6 C -0.213      
7 Cl 0.098      
8 Cl 0.098      
9 H 0.253      
10 H 0.253      
11 H 0.236      
12 H 0.236      


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 2.730 2.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.668 0.000 0.000
y 0.000 -54.922 0.000
z 0.000 0.000 -53.666
Traceless
 xyz
x -9.374 0.000 0.000
y 0.000 3.745 0.000
z 0.000 0.000 5.629
Polar
3z2-r211.258
x2-y2-8.746
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.605 0.000 0.000
y 0.000 12.812 0.000
z 0.000 0.000 15.408


<r2> (average value of r2) Å2
<r2> 359.667
(<r2>)1/2 18.965