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

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-1149.875615
Energy at 298.15K-1149.879883
HF Energy-1148.531285
Nuclear repulsion energy455.102690
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=FULL/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 3281 3084 2.57      
2 A1 3279 3082 0.06      
3 A1 3252 3057 2.29      
4 A1 1628 1531 20.29      
5 A1 1448 1361 17.63      
6 A1 1169 1098 18.89      
7 A1 1108 1041 10.40      
8 A1 1008 947 5.08      
9 A1 674 633 1.47      
10 A1 411 386 2.05      
11 A1 201 189 0.46      
12 A2 906 851 0.00      
13 A2 552 519 0.00      
14 A2 207 195 0.00      
15 B1 965 907 0.35      
16 B1 888 835 11.55      
17 B1 801 753 35.80      
18 B1 700 658 9.93      
19 B1 449 422 2.83      
20 B1 172 161 0.01      
21 B2 3274 3078 0.08      
22 B2 1627 1530 62.17      
23 B2 1497 1407 62.56      
24 B2 1477 1388 7.31      
25 B2 1299 1221 4.13      
26 B2 1198 1126 0.25      
27 B2 1122 1054 22.55      
28 B2 815 766 69.47      
29 B2 435 409 1.71      
30 B2 374 352 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 18109.2 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 17020.8 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 MP2=FULL/6-31G(2df,p)
ABC
0.09527 0.02901 0.02224

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.066
C2 0.000 1.209 1.381
C3 0.000 -1.209 1.381
C4 0.000 1.191 -0.007
C5 0.000 -1.191 -0.007
C6 0.000 0.000 -0.720
Cl7 0.000 2.681 -0.874
Cl8 0.000 -2.681 -0.874
H9 0.000 0.000 3.148
H10 0.000 2.152 1.908
H11 0.000 -2.152 1.908
H12 0.000 0.000 -1.800

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38901.38902.39062.39062.78553.97873.97871.08202.15812.15813.8657
C21.38902.41751.38862.77272.42412.69354.49632.14021.08073.40223.4033
C31.38902.41752.77271.38862.42414.49632.69352.14023.40221.08073.4033
C42.39061.38862.77272.38241.38821.72373.96803.37212.14283.85322.1526
C52.39062.77271.38862.38241.38823.96801.72373.37213.85322.14282.1526
C62.78552.42412.42411.38821.38822.68532.68533.86753.39693.39691.0802
Cl73.97872.69354.49631.72373.96802.68535.36174.83352.83215.57692.8362
Cl83.97874.49632.69353.96801.72372.68535.36174.83355.57692.83212.8362
H91.08202.14022.14023.37213.37213.86754.83354.83352.48382.48384.9477
H102.15811.08073.40222.14283.85323.39692.83215.57692.48384.30484.2875
H112.15813.40221.08073.85322.14283.39695.57692.83212.48384.30484.2875
H123.86573.40333.40332.15262.15261.08022.83622.83624.94774.28754.2875

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 118.788 C1 C2 H10 121.320
C1 C3 C5 118.788 C1 C3 H11 121.320
C2 C1 C3 120.976 C2 C1 H9 119.512
C2 C4 C6 121.620 C2 C4 Cl7 119.483
C3 C1 H9 119.512 C3 C5 C6 121.620
C3 C5 Cl8 119.483 C4 C2 H10 119.892
C4 C6 C5 118.209 C4 C6 H12 120.896
C5 C3 H11 119.892 C5 C6 H12 120.896
C6 C4 Cl7 118.898 C6 C5 Cl8 118.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability