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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-1149.641949
Energy at 298.15K-1149.646104
HF Energy-1148.508627
Nuclear repulsion energy449.481287
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=FULL/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 Ag 3322 3322 0.00      
2 Ag 1703 1703 0.00      
3 Ag 1238 1238 0.00      
4 Ag 1160 1160 0.00      
5 Ag 783 783 0.00      
6 Ag 339 339 0.00      
7 Au 949 949 0.00      
8 Au 415 415 0.00      
9 B1g 847 847 0.00      
10 B1u 3306 3306 1.79      
11 B1u 1573 1573 95.47      
12 B1u 1160 1160 88.51      
13 B1u 1045 1045 50.22      
14 B1u 570 570 23.55      
15 B2g 910 910 0.00      
16 B2g 558 558 0.00      
17 B2g 302 302 0.00      
18 B2u 3320 3320 2.97      
19 B2u 1475 1475 5.92      
20 B2u 1282 1282 0.05      
21 B2u 1158 1158 3.51      
22 B2u 226 226 1.01      
23 B3g 3307 3307 0.00      
24 B3g 1680 1680 0.00      
25 B3g 1357 1357 0.00      
26 B3g 652 652 0.00      
27 B3g 364 364 0.00      
28 B3u 825 825 56.04      
29 B3u 490 490 11.80      
30 B3u 104 104 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 18208.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18208.7 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=FULL/6-31G**
ABC
0.19008 0.02226 0.01993

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.383
C2 0.000 0.000 -1.383
C3 0.000 1.210 0.696
C4 0.000 -1.210 0.696
C5 0.000 -1.210 -0.696
C6 0.000 1.210 -0.696
Cl7 0.000 0.000 3.123
Cl8 0.000 0.000 -3.123
H9 0.000 2.140 1.240
H10 0.000 -2.140 1.240
H11 0.000 -2.140 -1.240
H12 0.000 2.140 -1.240

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76571.39111.39112.40492.40491.73974.50542.14462.14463.38523.3852
C22.76572.40492.40491.39111.39114.50541.73973.38523.38522.14462.1446
C31.39112.40492.41922.79081.39142.71164.00521.07793.39343.86862.1478
C41.39112.40492.41921.39142.79082.71164.00523.39341.07792.14783.8686
C52.40491.39112.79081.39142.41924.00522.71163.86862.14781.07793.3934
C62.40491.39111.39142.79082.41924.00522.71162.14783.86863.39341.0779
Cl71.73974.50542.71162.71164.00524.00526.24512.84992.84994.85934.8593
Cl84.50541.73974.00524.00522.71162.71166.24514.85934.85932.84992.8499
H92.14463.38521.07793.39343.86862.14782.84994.85934.27964.94652.4805
H102.14463.38523.39341.07792.14783.86862.84994.85934.27962.48054.9465
H113.38522.14463.86862.14781.07793.39344.85932.84994.94652.48054.2796
H123.38522.14462.14783.86863.39341.07794.85932.84992.48054.94654.2796

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.600 C1 C3 H9 120.054
C1 C4 C5 119.600 C1 C4 H10 120.054
C2 C5 C4 119.600 C2 C5 H11 120.054
C2 C6 C3 119.600 C2 C6 H12 120.054
C3 C1 C4 120.799 C3 C1 Cl7 119.600
C3 C6 H12 120.346 C4 C1 Cl7 119.600
C4 C5 H11 120.346 C5 C2 C6 120.799
C5 C2 Cl8 119.600 C5 C4 H10 120.346
C6 C2 Cl8 119.600 C6 C3 H9 120.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability