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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-1151.243107
Energy at 298.15K-1151.247307
HF Energy-1151.243107
Nuclear repulsion energy468.916568
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 B3PW91/6-31G*
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 3239 3099 4.40      
2 A1 3224 3084 8.41      
3 A1 1639 1568 3.68      
4 A1 1509 1443 64.53      
5 A1 1354 1295 1.02      
6 A1 1195 1143 1.04      
7 A1 1163 1113 47.51      
8 A1 1072 1025 8.28      
9 A1 674 645 16.94      
10 A1 486 465 7.44      
11 A1 203 194 0.01      
12 A2 988 945 0.00      
13 A2 867 830 0.00      
14 A2 706 675 0.00      
15 A2 522 500 0.00      
16 A2 138 132 0.00      
17 B1 950 908 2.09      
18 B1 764 731 61.80      
19 B1 449 429 4.21      
20 B1 237 227 0.79      
21 B2 3235 3095 4.25      
22 B2 3211 3072 1.41      
23 B2 1648 1577 7.60      
24 B2 1477 1414 19.19      
25 B2 1286 1230 3.22      
26 B2 1163 1113 1.72      
27 B2 1044 999 40.48      
28 B2 754 722 19.68      
29 B2 434 415 0.59      
30 B2 341 326 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 17984.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17206.0 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 B3PW91/6-31G*
ABC
0.06353 0.04762 0.02722

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.700 -0.030
C2 0.000 -0.700 -0.030
C3 0.000 1.392 1.181
C4 0.000 -1.392 1.181
C5 0.000 0.697 2.386
C6 0.000 -0.697 2.386
Cl7 0.000 1.604 -1.512
Cl8 0.000 -1.604 -1.512
H9 0.000 2.477 1.164
H10 0.000 -2.477 1.164
H11 0.000 1.247 3.322
H12 0.000 -1.247 3.322

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40001.39522.41762.41602.79071.73572.73922.14143.39443.39673.8768
C21.40002.41761.39522.79072.41602.73921.73573.39442.14143.87683.3967
C31.39522.41762.78431.39092.41132.70154.02861.08533.86952.14573.3986
C42.41761.39522.78432.41131.39094.02862.70153.86951.08533.39862.1457
C52.41602.79071.39092.41131.39354.00194.52612.15933.40101.08622.1578
C62.79072.41602.41131.39091.39354.52614.00193.40102.15932.15781.0862
Cl71.73572.73922.70154.02864.00194.52613.20772.81524.88044.84725.6123
Cl82.73921.73574.02862.70154.52614.00193.20774.88042.81525.61234.8472
H92.14143.39441.08533.86952.15933.40102.81524.88044.95462.48374.3045
H103.39442.14143.86951.08533.40102.15934.88042.81524.95464.30452.4837
H113.39673.87682.14573.39861.08622.15784.84725.61232.48374.30452.4947
H123.87683.39673.39862.14572.15781.08625.61234.84724.30452.48372.4947

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 119.742 C1 C2 Cl8 121.381
C1 C3 C5 120.259 C1 C3 H9 118.848
C2 C1 C3 119.742 C2 C1 Cl7 121.381
C2 C4 C6 120.259 C2 C4 H10 118.848
C3 C1 Cl7 118.877 C3 C5 C6 119.999
C3 C5 H11 119.544 C4 C2 Cl8 118.877
C4 C6 C5 119.999 C4 C6 H12 119.544
C5 C3 H9 120.893 C5 C6 H12 120.457
C6 C4 H10 120.893 C6 C5 H11 120.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 C -0.103      
3 C -0.152      
4 C -0.152      
5 C -0.157      
6 C -0.157      
7 Cl 0.038      
8 Cl 0.038      
9 H 0.195      
10 H 0.195      
11 H 0.180      
12 H 0.180      


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 2.732 2.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.767 0.000 0.000
y 0.000 -54.920 0.000
z 0.000 0.000 -53.742
Traceless
 xyz
x -7.436 0.000 0.000
y 0.000 2.834 0.000
z 0.000 0.000 4.602
Polar
3z2-r29.204
x2-y2-6.847
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.520 0.000 0.000
y 0.000 13.577 0.000
z 0.000 0.000 16.128


<r2> (average value of r2) Å2
<r2> 360.859
(<r2>)1/2 18.996