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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-1149.559586
Energy at 298.15K-1149.563673
HF Energy-1148.500555
Nuclear repulsion energy452.365912
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 MP3/6-31G*
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 3279 3078 0.69      
2 A1 3275 3074 2.34      
3 A1 3249 3049 4.34      
4 A1 1682 1579 24.12      
5 A1 1492 1400 15.00      
6 A1 1187 1114 17.32      
7 A1 1133 1064 12.02      
8 A1 1027 964 5.27      
9 A1 690 648 1.52      
10 A1 413 387 2.54      
11 A1 202 189 0.49      
12 A2 875 821 0.00      
13 A2 526 494 0.00      
14 A2 206 194 0.00      
15 B1 916 860 0.43      
16 B1 842 790 3.70      
17 B1 768 721 72.44      
18 B1 535 502 0.00      
19 B1 434 407 3.14      
20 B1 171 160 0.03      
21 B2 3270 3069 0.77      
22 B2 1689 1585 67.81      
23 B2 1547 1452 63.83      
24 B2 1349 1267 1.58      
25 B2 1284 1205 0.46      
26 B2 1220 1145 0.53      
27 B2 1146 1076 18.38      
28 B2 823 773 70.78      
29 B2 442 415 2.70      
30 B2 377 353 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 18023.6 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 16916.9 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 MP3/6-31G*
ABC
0.09417 0.02861 0.02195

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.076
C2 0.000 1.213 1.389
C3 0.000 -1.213 1.389
C4 0.000 1.195 -0.004
C5 0.000 -1.195 -0.004
C6 0.000 0.000 -0.718
Cl7 0.000 2.701 -0.882
Cl8 0.000 -2.701 -0.882
H9 0.000 0.000 3.162
H10 0.000 2.158 1.921
H11 0.000 -2.158 1.921
H12 0.000 0.000 -1.802

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39391.39392.39892.39892.79404.00524.00521.08582.16312.16313.8778
C21.39392.42531.39262.78182.43082.71464.52432.14811.08453.41203.4132
C31.39392.42532.78181.39262.43084.52432.71462.14813.41201.08453.4132
C42.39891.39262.78182.39101.39261.74263.99393.38392.15183.86622.1591
C52.39892.78181.39262.39101.39263.99391.74263.38393.86622.15182.1591
C62.79402.43082.43081.39261.39262.70582.70583.87983.40873.40871.0838
Cl74.00522.71464.52431.74263.99392.70585.40164.86252.85475.60882.8533
Cl84.00524.52432.71463.99391.74262.70585.40164.86255.60882.85472.8533
H91.08582.14812.14813.38393.38393.87984.86254.86252.48892.48894.9636
H102.16311.08453.41202.15183.86623.40872.85475.60882.48894.31514.3028
H112.16313.41201.08453.86622.15183.40875.60882.85472.48894.31514.3028
H123.87783.41323.41322.15912.15911.08382.85332.85334.96364.30284.3028

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 118.836 C1 C2 H10 121.064
C1 C3 C5 118.836 C1 C3 H11 121.064
C2 C1 C3 120.913 C2 C1 H9 119.544
C2 C4 C6 121.561 C2 C4 Cl7 119.539
C3 C1 H9 119.544 C3 C5 C6 121.561
C3 C5 Cl8 119.539 C4 C2 H10 120.100
C4 C6 C5 118.293 C4 C6 H12 120.853
C5 C3 H11 120.100 C5 C6 H12 120.853
C6 C4 Cl7 118.900 C6 C5 Cl8 118.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability