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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-1148.609500
Energy at 298.15K-1148.614134
HF Energy-1148.609500
Nuclear repulsion energy471.064830
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 HF/TZVP
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 3373 3065 4.33      
2 A1 3355 3048 8.28      
3 A1 1748 1589 4.16      
4 A1 1623 1475 69.44      
5 A1 1307 1188 0.77      
6 A1 1241 1127 41.81      
7 A1 1174 1067 1.17      
8 A1 1126 1023 9.95      
9 A1 723 657 17.11      
10 A1 514 467 8.23      
11 A1 217 197 0.00      
12 A2 1082 983 0.00      
13 A2 967 879 0.00      
14 A2 717 652 0.00      
15 A2 558 507 0.00      
16 A2 149 136 0.00      
17 B1 1074 976 1.38      
18 B1 847 770 75.24      
19 B1 490 445 6.93      
20 B1 256 233 1.35      
21 B2 3369 3061 3.46      
22 B2 3340 3035 1.59      
23 B2 1763 1602 7.85      
24 B2 1585 1440 22.49      
25 B2 1385 1258 4.37      
26 B2 1236 1123 3.55      
27 B2 1134 1030 40.30      
28 B2 806 732 20.01      
29 B2 460 418 0.94      
30 B2 364 331 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 18991.8 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 17255.9 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 HF/TZVP
ABC
0.06371 0.04816 0.02743

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.691 -0.024
C2 0.000 -0.691 -0.024
C3 0.000 1.379 1.175
C4 0.000 -1.379 1.175
C5 0.000 0.691 2.370
C6 0.000 -0.691 2.370
Cl7 0.000 1.608 -1.505
Cl8 0.000 -1.608 -1.505
H9 0.000 2.451 1.161
H10 0.000 -2.451 1.161
H11 0.000 1.235 3.296
H12 0.000 -1.235 3.296

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38191.38302.39252.39412.76441.74172.73452.12213.35833.36403.8379
C21.38192.39251.38302.76442.39412.73451.74173.35832.12213.83793.3640
C31.38302.39252.75831.37842.39032.69014.01341.07233.83052.12503.3657
C42.39251.38302.75832.39031.37844.01342.69013.83051.07233.36572.1250
C52.39412.76441.37842.39031.38253.98184.50562.13533.36721.07352.1371
C62.76442.39412.39031.37841.38254.50563.98183.36722.13532.13711.0735
Cl71.74172.73452.69014.01343.98184.50563.21592.79604.85644.81505.5791
Cl82.73451.74174.01342.69014.50563.98183.21594.85642.79605.57914.8150
H92.12213.35831.07233.83052.13533.36722.79604.85644.90272.45704.2598
H103.35832.12213.83051.07233.36722.13534.85642.79604.90274.25982.4570
H113.36403.83792.12503.36571.07352.13714.81505.57912.45704.25982.4698
H123.83793.36403.36572.12502.13711.07355.57914.81504.25982.45702.4698

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 119.843 C1 C2 Cl8 121.770
C1 C3 C5 120.219 C1 C3 H9 119.063
C2 C1 C3 119.843 C2 C1 Cl7 121.770
C2 C4 C6 120.219 C2 C4 H10 119.063
C3 C1 Cl7 118.387 C3 C5 C6 119.937
C3 C5 H11 119.636 C4 C2 Cl8 118.387
C4 C6 C5 119.937 C4 C6 H12 119.636
C5 C3 H9 120.718 C5 C6 H12 120.427
C6 C4 H10 120.718 C6 C5 H11 120.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C 0.025      
3 C -0.080      
4 C -0.080      
5 C -0.113      
6 C -0.113      
7 Cl -0.101      
8 Cl -0.101      
9 H 0.141      
10 H 0.141      
11 H 0.127      
12 H 0.127      


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 3.057 3.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.651 0.000 0.000
y 0.000 -56.824 0.000
z 0.000 0.000 -55.540
Traceless
 xyz
x -7.469 0.000 0.000
y 0.000 2.772 0.000
z 0.000 0.000 4.697
Polar
3z2-r29.395
x2-y2-6.827
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.810 0.000 0.000
y 0.000 13.618 0.000
z 0.000 0.000 15.858


<r2> (average value of r2) Å2
<r2> 359.313
(<r2>)1/2 18.956