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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1149.784867
Energy at 298.15K-1149.789060
HF Energy-1148.530844
Nuclear repulsion energy453.456343
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 MP2/6-31G(2df,p)
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 3270 3088 2.78      
2 A1 3269 3087 0.00      
3 A1 3242 3062 2.30      
4 A1 1619 1529 20.18      
5 A1 1442 1362 17.10      
6 A1 1158 1094 18.58      
7 A1 1103 1042 11.02      
8 A1 1004 949 5.40      
9 A1 670 633 1.52      
10 A1 407 384 2.19      
11 A1 199 188 0.49      
12 A2 897 847 0.00      
13 A2 543 513 0.00      
14 A2 204 193 0.00      
15 B1 955 902 0.18      
16 B1 876 827 10.87      
17 B1 792 748 41.60      
18 B1 665 628 5.53      
19 B1 439 414 2.70      
20 B1 169 160 0.01      
21 B2 3264 3083 0.10      
22 B2 1617 1527 60.31      
23 B2 1491 1408 66.29      
24 B2 1464 1383 3.27      
25 B2 1296 1224 4.47      
26 B2 1193 1127 0.22      
27 B2 1114 1053 22.82      
28 B2 807 762 71.27      
29 B2 431 408 1.97      
30 B2 370 349 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 17984.7 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 16986.6 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 MP2/6-31G(2df,p)
ABC
0.09459 0.02879 0.02207

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.073
C2 0.000 1.213 1.386
C3 0.000 -1.213 1.386
C4 0.000 1.194 -0.006
C5 0.000 -1.194 -0.006
C6 0.000 0.000 -0.723
Cl7 0.000 2.691 -0.878
Cl8 0.000 -2.691 -0.878
H9 0.000 0.000 3.156
H10 0.000 2.158 1.914
H11 0.000 -2.158 1.914
H12 0.000 0.000 -1.805

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39331.39332.39722.39722.79603.99343.99341.08372.16332.16333.8779
C21.39332.42521.39282.78022.43342.70424.51292.14551.08233.41123.4143
C31.39332.42522.78021.39282.43344.51292.70422.14553.41121.08233.4143
C42.39721.39282.78022.38731.39251.73273.98153.38042.14863.86242.1590
C52.39722.78021.39282.38731.39253.98151.73273.38043.86242.14862.1590
C62.79602.43342.43341.39251.39252.69582.69583.87973.40753.40751.0819
Cl73.99342.70424.51291.73273.98152.69585.38274.84942.84235.59512.8467
Cl83.99344.51292.70423.98151.73272.69585.38274.84945.59512.84232.8467
H91.08372.14552.14553.38043.38043.87974.84944.84942.48962.48964.9616
H102.16331.08233.41122.14863.86243.40752.84235.59512.48964.31504.2998
H112.16333.41121.08233.86242.14863.40755.59512.84232.48964.31504.2998
H123.87793.41433.41432.15902.15901.08192.84672.84674.96164.29984.2998

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 118.728 C1 C2 H10 121.314
C1 C3 C5 118.728 C1 C3 H11 121.314
C2 C1 C3 120.988 C2 C1 H9 119.506
C2 C4 C6 121.775 C2 C4 Cl7 119.414
C3 C1 H9 119.506 C3 C5 C6 121.775
C3 C5 Cl8 119.414 C4 C2 H10 119.958
C4 C6 C5 118.008 C4 C6 H12 120.996
C5 C3 H11 119.958 C5 C6 H12 120.996
C6 C4 Cl7 118.812 C6 C5 Cl8 118.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability