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

using model chemistry: CCD/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/cc-pVDZ
 hartrees
Energy at 0K-1149.646645
Energy at 298.15K-1149.650860
HF Energy-1148.554120
Nuclear repulsion energy466.097333
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/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 3253 3112 5.05      
2 A1 3236 3096 5.26      
3 A1 1655 1584 4.03      
4 A1 1518 1452 56.25      
5 A1 1299 1242 1.58      
6 A1 1185 1133 26.70      
7 A1 1174 1123 6.73      
8 A1 1071 1024 5.27      
9 A1 675 646 13.12      
10 A1 489 468 4.83      
11 A1 202 193 0.00      
12 A2 973 931 0.00      
13 A2 873 835 0.00      
14 A2 635 607 0.00      
15 A2 511 489 0.00      
16 A2 138 132 0.00      
17 B1 957 915 1.18      
18 B1 771 738 55.05      
19 B1 443 424 4.48      
20 B1 237 226 0.97      
21 B2 3247 3107 3.54      
22 B2 3222 3083 0.93      
23 B2 1670 1598 6.40      
24 B2 1479 1415 16.48      
25 B2 1284 1228 2.85      
26 B2 1161 1111 1.96      
27 B2 1058 1012 31.51      
28 B2 760 727 13.37      
29 B2 433 414 0.35      
30 B2 340 325 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17972.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17194.7 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/cc-pVDZ
ABC
0.06267 0.04710 0.02689

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.704 -0.034
C2 0.000 -0.704 -0.034
C3 0.000 1.401 1.186
C4 0.000 -1.401 1.186
C5 0.000 0.702 2.400
C6 0.000 -0.702 2.400
Cl7 0.000 1.615 -1.519
Cl8 0.000 -1.615 -1.519
H9 0.000 2.494 1.169
H10 0.000 -2.494 1.169
H11 0.000 1.257 3.344
H12 0.000 -1.257 3.344

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40731.40492.43222.43412.81071.74322.75412.15683.41643.42263.9054
C21.40732.43221.40492.81072.43412.75411.74323.41642.15683.90543.4226
C31.40492.43222.80111.40082.42792.71424.05161.09383.89482.16253.4233
C42.43221.40492.80112.42791.40084.05162.71423.89481.09383.42332.1625
C52.43412.81071.40082.42791.40384.02494.55352.17473.42521.09472.1744
C62.81072.43412.42791.40081.40384.55354.02493.42522.17472.17441.0947
Cl71.74322.75412.71424.05164.02494.55353.23052.82824.91064.87655.6483
Cl82.75411.74324.05162.71424.55354.02493.23054.91062.82825.64834.8765
H92.15683.41641.09383.89482.17473.42522.82824.91064.98842.50234.3363
H103.41642.15683.89481.09383.42522.17474.91062.82824.98844.33632.5023
H113.42263.90542.16253.42331.09472.17444.87655.64832.50234.33632.5142
H123.90543.42263.42332.16252.17441.09475.64834.87654.33632.50232.5142

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 119.739 C1 C2 Cl8 121.530
C1 C3 C5 120.346 C1 C3 H9 118.823
C2 C1 C3 119.739 C2 C1 Cl7 121.530
C2 C4 C6 120.346 C2 C4 H10 118.823
C3 C1 Cl7 118.731 C3 C5 C6 119.915
C3 C5 H11 119.611 C4 C2 Cl8 118.731
C4 C6 C5 119.915 C4 C6 H12 119.611
C5 C3 H9 120.831 C5 C6 H12 120.474
C6 C4 H10 120.831 C6 C5 H11 120.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability