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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-1148.376872
Energy at 298.15K-1148.381567
HF Energy-1148.376872
Nuclear repulsion energy445.753746
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/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 3421 3089 0.00      
2 Ag 1784 1611 0.00      
3 Ag 1325 1196 0.00      
4 Ag 1191 1075 0.00      
5 Ag 804 726 0.00      
6 Ag 346 313 0.00      
7 Au 1168 1055 0.00      
8 Au 477 431 0.00      
9 B1g 987 891 0.00      
10 B1u 3403 3072 0.14      
11 B1u 1668 1506 106.66      
12 B1u 1204 1087 101.33      
13 B1u 1135 1025 104.59      
14 B1u 554 500 42.71      
15 B2g 1167 1054 0.00      
16 B2g 826 746 0.00      
17 B2g 333 301 0.00      
18 B2u 3419 3087 1.65      
19 B2u 1556 1405 11.35      
20 B2u 1334 1205 5.39      
21 B2u 1229 1109 1.18      
22 B2u 227 205 2.58      
23 B3g 3404 3073 0.00      
24 B3g 1785 1612 0.00      
25 B3g 1474 1331 0.00      
26 B3g 711 642 0.00      
27 B3g 375 338 0.00      
28 B3u 997 901 81.74      
29 B3u 577 521 32.88      
30 B3u 113 102 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 19496.0 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 17602.9 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/6-31G
ABC
0.19158 0.02167 0.01947

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.366
C2 0.000 0.000 -1.366
C3 0.000 1.205 0.694
C4 0.000 -1.205 0.694
C5 0.000 -1.205 -0.694
C6 0.000 1.205 -0.694
Cl7 0.000 0.000 3.172
Cl8 0.000 0.000 -3.172
H9 0.000 2.128 1.236
H10 0.000 -2.128 1.236
H11 0.000 -2.128 -1.236
H12 0.000 2.128 -1.236

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.73211.38001.38002.38672.38671.80604.53812.13242.13243.36143.3614
C22.73212.38672.38671.38001.38004.53811.80603.36143.36142.13242.1324
C31.38002.38672.41062.78151.38782.75574.04951.07033.37743.85182.1390
C41.38002.38672.41061.38782.78152.75574.04953.37741.07032.13903.8518
C52.38671.38002.78151.38782.41064.04952.75573.85182.13901.07033.3774
C62.38671.38001.38782.78152.41064.04952.75572.13903.85183.37741.0703
Cl71.80604.53812.75572.75574.04954.04956.34412.87742.87744.89464.8946
Cl84.53811.80604.04954.04952.75572.75576.34414.89464.89462.87742.8774
H92.13243.36141.07033.37743.85182.13902.87744.89464.25674.92212.4713
H102.13243.36143.37741.07032.13903.85182.87744.89464.25672.47134.9221
H113.36142.13243.85182.13901.07033.37744.89462.87744.92212.47134.2567
H123.36142.13242.13903.85183.37741.07034.89462.87742.47134.92214.2567

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 119.146 C1 C3 H9 120.447
C1 C4 C5 119.146 C1 C4 H10 120.447
C2 C5 C4 119.146 C2 C5 H11 120.447
C2 C6 C3 119.146 C2 C6 H12 120.447
C3 C1 C4 121.708 C3 C1 Cl7 119.146
C3 C6 H12 120.407 C4 C1 Cl7 119.146
C4 C5 H11 120.407 C5 C2 C6 121.708
C5 C2 Cl8 119.146 C5 C4 H10 120.407
C6 C2 Cl8 119.146 C6 C3 H9 120.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 C -0.314      
3 C -0.145      
4 C -0.145      
5 C -0.145      
6 C -0.145      
7 Cl 0.110      
8 Cl 0.110      
9 H 0.248      
10 H 0.248      
11 H 0.248      
12 H 0.248      


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 -63.876 0.000 0.000
y 0.000 -52.119 0.000
z 0.000 0.000 -72.648
Traceless
 xyz
x -1.492 0.000 0.000
y 0.000 16.142 0.000
z 0.000 0.000 -14.650
Polar
3z2-r2-29.301
x2-y2-11.756
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.565 0.000 0.000
y 0.000 10.436 0.000
z 0.000 0.000 17.607


<r2> (average value of r2) Å2
<r2> 474.418
(<r2>)1/2 21.781