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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-1150.894952
Energy at 298.15K-1150.899021
HF Energy-1150.894952
Nuclear repulsion energy468.168661
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 PBEPBEultrafine/aug-cc-pVTZ
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 3135 3100 3.28      
2 A1 3121 3086 5.45      
3 A1 1564 1546 4.17      
4 A1 1442 1425 59.77      
5 A1 1322 1307 1.58      
6 A1 1145 1132 2.13      
7 A1 1114 1101 48.61      
8 A1 1033 1021 9.49      
9 A1 651 644 14.42      
10 A1 470 464 6.62      
11 A1 192 190 0.03      
12 A2 962 952 0.00      
13 A2 841 831 0.00      
14 A2 689 682 0.00      
15 A2 510 504 0.00      
16 A2 131 130 0.00      
17 B1 928 918 1.33      
18 B1 739 730 60.63      
19 B1 433 428 4.77      
20 B1 226 224 1.07      
21 B2 3131 3095 2.24      
22 B2 3108 3074 1.05      
23 B2 1568 1551 8.72      
24 B2 1417 1401 16.91      
25 B2 1234 1220 3.37      
26 B2 1117 1104 0.72      
27 B2 1013 1001 34.78      
28 B2 729 721 18.83      
29 B2 418 413 0.58      
30 B2 328 324 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 17354.2 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 17159.8 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.06358 0.04736 0.02714

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.702 -0.029
C2 0.000 -0.702 -0.029
C3 0.000 1.395 1.185
C4 0.000 -1.395 1.185
C5 0.000 0.698 2.391
C6 0.000 -0.698 2.391
Cl7 0.000 1.601 -1.516
Cl8 0.000 -1.601 -1.516
H9 0.000 2.484 1.166
H10 0.000 -2.484 1.166
H11 0.000 1.251 3.331
H12 0.000 -1.251 3.331

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40331.39772.42282.42012.79581.73862.74162.14603.40273.40413.8856
C21.40332.42281.39772.79582.42012.74161.73863.40272.14603.88563.4041
C31.39772.42282.79081.39372.41652.70894.03431.08923.87992.15113.4070
C42.42281.39772.79082.41651.39374.03432.70893.87991.08923.40702.1511
C52.42012.79581.39372.41651.39644.01084.53412.16623.41041.08992.1635
C62.79582.42012.41651.39371.39644.53414.01083.41042.16622.16351.0899
Cl71.73862.74162.70894.03434.01084.53413.20242.82414.88754.86005.6240
Cl82.74161.73864.03432.70894.53414.01083.20244.88752.82415.62404.8600
H92.14603.40271.08923.87992.16623.41042.82414.88754.96892.49184.3171
H103.40272.14603.87991.08923.41042.16624.88752.82414.96894.31712.4918
H113.40413.88562.15113.40701.08992.16354.86005.62402.49184.31712.5012
H123.88563.40413.40702.15112.16351.08995.62404.86004.31712.49182.5012

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 119.760 C1 C2 Cl8 121.159
C1 C3 C5 120.223 C1 C3 H9 118.776
C2 C1 C3 119.760 C2 C1 Cl7 121.159
C2 C4 C6 120.223 C2 C4 H10 118.776
C3 C1 Cl7 119.081 C3 C5 C6 120.017
C3 C5 H11 119.529 C4 C2 Cl8 119.081
C4 C6 C5 120.017 C4 C6 H12 119.529
C5 C3 H9 121.001 C5 C6 H12 120.454
C6 C4 H10 121.001 C6 C5 H11 120.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.276      
2 C 0.276      
3 C -0.641      
4 C -0.641      
5 C -0.368      
6 C -0.368      
7 Cl -0.298      
8 Cl -0.298      
9 H 0.495      
10 H 0.495      
11 H 0.536      
12 H 0.536      


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 2.355 2.355
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.625 0.000 0.000
y 0.000 -56.584 0.000
z 0.000 0.000 -55.408
Traceless
 xyz
x -6.629 0.000 0.000
y 0.000 2.433 0.000
z 0.000 0.000 4.197
Polar
3z2-r28.393
x2-y2-6.041
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.998 0.000 0.000
y 0.000 16.824 0.000
z 0.000 0.000 19.485


<r2> (average value of r2) Å2
<r2> 362.691
(<r2>)1/2 19.044