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

using model chemistry: CCD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-1149.705566
Energy at 298.15K-1149.709694
HF Energy-1148.564186
Nuclear repulsion energy465.720470
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 CCD/aug-cc-pVDZ
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 3240 3125 4.99      
2 A1 3223 3109 4.89      
3 A1 1637 1579 5.43      
4 A1 1494 1441 52.76      
5 A1 1292 1246 1.28      
6 A1 1178 1136 15.44      
7 A1 1168 1127 19.26      
8 A1 1061 1024 6.10      
9 A1 670 646 12.71      
10 A1 484 466 4.99      
11 A1 201 194 0.00      
12 A2 940 907 0.00      
13 A2 857 826 0.00      
14 A2 573 553 0.00      
15 A2 502 485 0.00      
16 A2 137 132 0.00      
17 B1 944 911 1.07      
18 B1 766 739 62.73      
19 B1 437 422 4.61      
20 B1 235 227 1.09      
21 B2 3234 3120 2.86      
22 B2 3210 3096 1.02      
23 B2 1642 1584 7.19      
24 B2 1444 1393 15.80      
25 B2 1270 1225 2.47      
26 B2 1149 1108 1.92      
27 B2 1037 1000 32.45      
28 B2 750 723 12.90      
29 B2 425 410 0.38      
30 B2 336 324 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 17767.4 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 17136.7 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 CCD/aug-cc-pVDZ
ABC
0.06276 0.04695 0.02686

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.703 -0.030
C2 0.000 -0.703 -0.030
C3 0.000 1.404 1.189
C4 0.000 -1.404 1.189
C5 0.000 0.703 2.403
C6 0.000 -0.703 2.403
Cl7 0.000 1.612 -1.523
Cl8 0.000 -1.612 -1.523
H9 0.000 2.496 1.171
H10 0.000 -2.496 1.171
H11 0.000 1.256 3.346
H12 0.000 -1.256 3.346

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40681.40552.43412.43322.81031.74792.75532.15763.41733.42113.9036
C21.40682.43411.40552.81032.43322.75531.74793.41732.15763.90363.4211
C31.40552.43412.80751.40232.43162.71944.05581.09253.89982.16263.4250
C42.43411.40552.80752.43161.40234.05582.71943.89981.09253.42502.1626
C52.43322.81031.40232.43161.40574.03004.55792.17603.42811.09332.1742
C62.81032.43322.43161.40231.40574.55794.03003.42812.17602.17421.0933
Cl71.74792.75532.71944.05584.03004.55793.22502.83474.91274.88205.6512
Cl82.75531.74794.05582.71944.55794.03003.22504.91272.83475.65124.8820
H92.15763.41731.09253.89982.17603.42812.83474.91274.99212.50404.3374
H103.41732.15763.89981.09253.42812.17604.91272.83474.99214.33742.5040
H113.42113.90362.16263.42501.09332.17424.88205.65122.50404.33742.5125
H123.90363.42113.42502.16262.17421.09335.65124.88204.33742.50402.5125

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 119.886 C1 C2 Cl8 121.339
C1 C3 C5 120.126 C1 C3 H9 118.943
C2 C1 C3 119.886 C2 C1 Cl7 121.339
C2 C4 C6 120.126 C2 C4 H10 118.943
C3 C1 Cl7 118.774 C3 C5 C6 119.988
C3 C5 H11 119.603 C4 C2 Cl8 118.774
C4 C6 C5 119.988 C4 C6 H12 119.603
C5 C3 H9 120.931 C5 C6 H12 120.409
C6 C4 H10 120.931 C6 C5 H11 120.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability