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

using model chemistry: MP2/6-31G**

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**
 hartrees
Energy at 0K-1149.553298
Energy at 298.15K-1149.557282
HF Energy-1148.507815
Nuclear repulsion energy452.483576
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**
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 3295 3086 2.43      
2 A1 3295 3086 0.63      
3 A1 3270 3062 3.90      
4 A1 1650 1545 23.52      
5 A1 1468 1375 12.51      
6 A1 1173 1099 18.89      
7 A1 1119 1048 11.89      
8 A1 1014 950 5.39      
9 A1 681 638 1.52      
10 A1 409 383 2.28      
11 A1 200 188 0.43      
12 A2 857 802 0.00      
13 A2 512 480 0.00      
14 A2 201 189 0.00      
15 B1 910 852 0.15      
16 B1 823 771 2.99      
17 B1 756 708 64.45      
18 B1 460 430 0.27      
19 B1 424 397 2.84      
20 B1 167 157 0.04      
21 B2 3290 3081 0.56      
22 B2 1655 1549 68.90      
23 B2 1524 1427 60.02      
24 B2 1465 1372 1.10      
25 B2 1319 1235 3.13      
26 B2 1215 1137 0.37      
27 B2 1133 1061 23.15      
28 B2 816 764 70.21      
29 B2 437 409 2.47      
30 B2 373 350 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 17955.4 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 16815.2 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**
ABC
0.09418 0.02864 0.02196

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.076
C2 0.000 1.214 1.389
C3 0.000 -1.214 1.389
C4 0.000 1.198 -0.005
C5 0.000 -1.198 -0.005
C6 0.000 0.000 -0.719
Cl7 0.000 2.699 -0.881
Cl8 0.000 -2.699 -0.881
H9 0.000 0.000 3.159
H10 0.000 2.156 1.920
H11 0.000 -2.156 1.920
H12 0.000 0.000 -1.800

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39481.39482.40162.40162.79564.00404.00401.08222.16142.16143.8762
C21.39482.42771.39472.78582.43302.71324.52402.14561.08103.41103.4124
C31.39482.42772.78581.39472.43304.52402.71322.14563.41101.08103.4124
C42.40161.39472.78582.39541.39431.73833.99413.38302.15033.86672.1576
C52.40162.78581.39472.39541.39433.99411.73833.38303.86672.15032.1576
C62.79562.43302.43301.39431.39432.70402.70403.87783.40763.40761.0807
Cl74.00402.71324.52401.73833.99412.70405.39844.85852.85325.60492.8513
Cl84.00404.52402.71323.99411.73832.70405.39844.85855.60492.85322.8513
H91.08222.14562.14563.38303.38303.87784.85854.85852.48632.48634.9585
H102.16141.08103.41102.15033.86673.40762.85325.60492.48634.31144.2992
H112.16143.41101.08103.86672.15033.40765.60492.85322.48634.31144.2992
H123.87623.41243.41242.15762.15761.08072.85132.85134.95854.29924.2992

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 118.845 C1 C2 H10 121.101
C1 C3 C5 118.845 C1 C3 H11 121.101
C2 C1 C3 120.982 C2 C1 H9 119.509
C2 C4 C6 121.463 C2 C4 Cl7 119.593
C3 C1 H9 119.509 C3 C5 C6 121.463
C3 C5 Cl8 119.593 C4 C2 H10 120.054
C4 C6 C5 118.400 C4 C6 H12 120.800
C5 C3 H11 120.054 C5 C6 H12 120.800
C6 C4 Cl7 118.944 C6 C5 Cl8 118.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability