return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H4Cl2 (1,3-dichlorobenzene)

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-1149.611610
Energy at 298.15K-1149.615739
HF Energy-1148.558529
Nuclear repulsion energy449.879884
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 MP2/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 3259 3104 1.27      
2 A1 3259 3104 1.07      
3 A1 3231 3077 3.40      
4 A1 1628 1550 22.73      
5 A1 1439 1370 14.14      
6 A1 1160 1105 20.72      
7 A1 1097 1045 10.16      
8 A1 1005 958 4.20      
9 A1 671 639 1.28      
10 A1 406 386 2.32      
11 A1 197 188 0.38      
12 A2 885 843 0.00      
13 A2 528 503 0.00      
14 A2 202 193 0.00      
15 B1 950 905 0.02      
16 B1 855 814 6.90      
17 B1 770 734 53.35      
18 B1 609 580 2.58      
19 B1 433 412 3.74      
20 B1 168 160 0.11      
21 B2 3254 3099 0.23      
22 B2 1632 1554 67.05      
23 B2 1493 1422 51.89      
24 B2 1471 1401 12.50      
25 B2 1282 1221 4.16      
26 B2 1178 1122 0.33      
27 B2 1108 1056 18.32      
28 B2 805 767 67.13      
29 B2 431 411 2.41      
30 B2 367 349 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 17885.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 17035.6 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 MP2/cc-pVDZ
ABC
0.09307 0.02834 0.02172

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.089
C2 0.000 1.222 1.398
C3 0.000 -1.222 1.398
C4 0.000 1.206 -0.006
C5 0.000 -1.206 -0.006
C6 0.000 0.000 -0.725
Cl7 0.000 2.712 -0.886
Cl8 0.000 -2.712 -0.886
H9 0.000 0.000 3.183
H10 0.000 2.175 1.934
H11 0.000 -2.175 1.934
H12 0.000 0.000 -1.817

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40421.40422.41732.41732.81344.02534.02531.09482.18072.18073.9060
C21.40422.44491.40412.80502.44932.72634.54932.16421.09313.43963.4396
C31.40422.44492.80501.40412.44934.54932.72632.16423.43961.09313.4396
C42.41731.40412.80502.41191.40371.74424.01583.41022.16863.89812.1758
C52.41732.80501.40412.41191.40374.01581.74423.41023.89812.16862.1758
C62.81342.44932.44931.40371.40372.71722.71723.90833.43483.43481.0926
Cl74.02532.72634.54931.74424.01582.71725.42484.89022.86985.64232.8680
Cl84.02534.54932.72634.01581.74422.71725.42484.89025.64232.86982.8680
H91.09482.16422.16423.41023.41023.90834.89024.89022.50872.50875.0009
H102.18071.09313.43962.16863.89813.43482.86985.64232.50874.35034.3360
H112.18073.43961.09313.89812.16863.43485.64232.86982.50874.35034.3360
H123.90603.43963.43962.17582.17581.09262.86802.86805.00094.33604.3360

picture of 1,3-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 118.806 C1 C2 H10 121.162
C1 C3 C5 118.806 C1 C3 H11 121.162
C2 C1 C3 121.042 C2 C1 H9 119.479
C2 C4 C6 121.456 C2 C4 Cl7 119.594
C3 C1 H9 119.479 C3 C5 C6 121.456
C3 C5 Cl8 119.594 C4 C2 H10 120.032
C4 C6 C5 118.434 C4 C6 H12 120.783
C5 C3 H11 120.032 C5 C6 H12 120.783
C6 C4 Cl7 118.950 C6 C5 Cl8 118.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability