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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-1137.913617
Energy at 298.15K-1137.917159
HF Energy-1137.913617
Nuclear repulsion energy438.704683
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 PBEPBE/STO-3G
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 3419 3123 0.00      
2 Ag 1669 1525 0.00      
3 Ag 1211 1106 0.00      
4 Ag 1176 1074 0.00      
5 Ag 779 712 0.00      
6 Ag 329 300 0.00      
7 Au 985 900 0.00      
8 Au 412 376 0.00      
9 B1g 838 766 0.00      
10 B1u 3401 3107 15.45      
11 B1u 1553 1419 122.50      
12 B1u 1155 1055 102.57      
13 B1u 1036 946 21.43      
14 B1u 564 515 19.50      
15 B2g 964 881 0.00      
16 B2g 696 636 0.00      
17 B2g 292 266 0.00      
18 B2u 3416 3121 53.22      
19 B2u 1458 1332 8.57      
20 B2u 1350 1234 0.08      
21 B2u 1141 1042 1.35      
22 B2u 207 189 3.04      
23 B3g 3405 3111 0.00      
24 B3g 1654 1511 0.00      
25 B3g 1332 1217 0.00      
26 B3g 635 580 0.00      
27 B3g 331 302 0.00      
28 B3u 827 755 44.58      
29 B3u 477 435 4.10      
30 B3u 101 92 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 18405.7 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 16815.4 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 PBEPBE/STO-3G
ABC
0.18141 0.02120 0.01898

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.399
C2 0.000 0.000 -1.399
C3 0.000 1.238 0.707
C4 0.000 -1.238 0.707
C5 0.000 -1.238 -0.707
C6 0.000 1.238 -0.707
Cl7 0.000 0.000 3.204
Cl8 0.000 0.000 -3.204
H9 0.000 2.189 1.268
H10 0.000 -2.189 1.268
H11 0.000 -2.189 -1.268
H12 0.000 2.189 -1.268

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.79711.41841.41842.44242.44241.80524.60222.19312.19313.45003.4500
C22.79712.44242.44241.41841.41844.60221.80523.45003.45002.19312.1931
C31.41842.44242.47662.85161.41352.78724.10181.10413.47323.95562.1917
C41.41842.44242.47661.41352.85162.78724.10183.47321.10412.19173.9556
C52.44241.41842.85161.41352.47664.10182.78723.95562.19171.10413.4732
C62.44241.41841.41352.85162.47664.10182.78722.19173.95563.47321.1041
Cl71.80524.60222.78722.78724.10184.10186.40742.92242.92244.97874.9787
Cl84.60221.80524.10184.10182.78722.78726.40744.97874.97872.92242.9224
H92.19313.45001.10413.47323.95562.19172.92244.97874.37845.05972.5358
H102.19313.45003.47321.10412.19173.95562.92244.97874.37842.53585.0597
H113.45002.19313.95562.19171.10413.47324.97872.92245.05972.53584.3784
H123.45002.19312.19173.95563.47321.10414.97872.92242.53585.05974.3784

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 119.191 C1 C3 H9 120.264
C1 C4 C5 119.191 C1 C4 H10 120.264
C2 C5 C4 119.191 C2 C5 H11 120.264
C2 C6 C3 119.191 C2 C6 H12 120.264
C3 C1 C4 121.619 C3 C1 Cl7 119.191
C3 C6 H12 120.545 C4 C1 Cl7 119.191
C4 C5 H11 120.545 C5 C2 C6 121.619
C5 C2 Cl8 119.191 C5 C4 H10 120.545
C6 C2 Cl8 119.191 C6 C3 H9 120.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C 0.025      
3 C -0.073      
4 C -0.073      
5 C -0.073      
6 C -0.073      
7 Cl -0.102      
8 Cl -0.102      
9 H 0.111      
10 H 0.111      
11 H 0.111      
12 H 0.111      


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 -56.843 0.000 0.000
y 0.000 -49.240 0.000
z 0.000 0.000 -66.391
Traceless
 xyz
x 0.973 0.000 0.000
y 0.000 12.377 0.000
z 0.000 0.000 -13.350
Polar
3z2-r2-26.700
x2-y2-7.603
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.120 0.000 0.000
y 0.000 7.212 0.000
z 0.000 0.000 13.402


<r2> (average value of r2) Å2
<r2> 482.736
(<r2>)1/2 21.971