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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-1147.707327
Energy at 298.15K-1147.711411
HF Energy-1147.707327
Nuclear repulsion energy444.936901
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 LSDA/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 Ag 3181 3117 0.00      
2 Ag 1625 1592 0.00      
3 Ag 1181 1157 0.00      
4 Ag 1120 1098 0.00      
5 Ag 747 731 0.00      
6 Ag 324 317 0.00      
7 Au 960 940 0.00      
8 Au 423 414 0.00      
9 B1g 818 801 0.00      
10 B1u 3165 3101 0.11      
11 B1u 1493 1463 128.63      
12 B1u 1093 1071 72.18      
13 B1u 1011 990 83.08      
14 B1u 528 518 39.37      
15 B2g 959 939 0.00      
16 B2g 710 696 0.00      
17 B2g 293 287 0.00      
18 B2u 3179 3114 0.12      
19 B2u 1430 1401 2.76      
20 B2u 1411 1382 4.08      
21 B2u 1113 1090 9.40      
22 B2u 210 206 1.72      
23 B3g 3166 3102 0.00      
24 B3g 1640 1607 0.00      
25 B3g 1290 1264 0.00      
26 B3g 634 622 0.00      
27 B3g 340 333 0.00      
28 B3u 826 809 76.07      
29 B3u 491 481 23.60      
30 B3u 100 98 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 17729.1 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 17369.2 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 LSDA/6-31G
ABC
0.18861 0.02173 0.01948

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.372
C2 0.000 0.000 -1.372
C3 0.000 1.213 0.697
C4 0.000 -1.213 0.697
C5 0.000 -1.213 -0.697
C6 0.000 1.213 -0.697
Cl7 0.000 0.000 3.166
Cl8 0.000 0.000 -3.166
H9 0.000 2.154 1.254
H10 0.000 -2.154 1.254
H11 0.000 -2.154 -1.254
H12 0.000 2.154 -1.254

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.74331.38851.38852.39812.39811.79454.53782.15692.15693.39623.3962
C22.74332.39812.39811.38851.38854.53781.79453.39623.39622.15692.1569
C31.38852.39812.42692.79861.39362.75144.04901.09323.41303.89162.1659
C41.38852.39812.42691.39362.79862.75144.04903.41301.09322.16593.8916
C52.39811.38852.79861.39362.42694.04902.75143.89162.16591.09323.4130
C62.39811.38851.39362.79862.42694.04902.75142.16593.89163.41301.0932
Cl71.79454.53782.75142.75144.04904.04906.33222.87982.87984.91724.9172
Cl84.53781.79454.04904.04902.75142.75146.33224.91724.91722.87982.8798
H92.15693.39621.09323.41303.89162.16592.87984.91724.30754.98482.5087
H102.15693.39623.41301.09322.16593.89162.87984.91724.30752.50874.9848
H113.39622.15693.89162.16591.09323.41304.91722.87984.98482.50874.3075
H123.39622.15692.16593.89163.41301.09324.91722.87982.50874.98484.3075

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.081 C1 C3 H9 120.253
C1 C4 C5 119.081 C1 C4 H10 120.253
C2 C5 C4 119.081 C2 C5 H11 120.253
C2 C6 C3 119.081 C2 C6 H12 120.253
C3 C1 C4 121.838 C3 C1 Cl7 119.081
C3 C6 H12 120.666 C4 C1 Cl7 119.081
C4 C5 H11 120.666 C5 C2 C6 121.838
C5 C2 Cl8 119.081 C5 C4 H10 120.666
C6 C2 Cl8 119.081 C6 C3 H9 120.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 C -0.278      
3 C -0.113      
4 C -0.113      
5 C -0.113      
6 C -0.113      
7 Cl 0.118      
8 Cl 0.118      
9 H 0.193      
10 H 0.193      
11 H 0.193      
12 H 0.193      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.344 0.000 0.000
y 0.000 -51.483 0.000
z 0.000 0.000 -67.747
Traceless
 xyz
x -2.729 0.000 0.000
y 0.000 13.562 0.000
z 0.000 0.000 -10.833
Polar
3z2-r2-21.667
x2-y2-10.860
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.757 0.000 0.000
y 0.000 11.123 0.000
z 0.000 0.000 19.025


<r2> (average value of r2) Å2
<r2> 473.042
(<r2>)1/2 21.750