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

using model chemistry: MP3=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1149.941723
Energy at 298.15K-1149.945798
HF Energy-1148.595636
Nuclear repulsion energy449.063202
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/6-311G**
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 3274 3274 0.00      
2 Ag 1675 1675 0.00      
3 Ag 1215 1215 0.00      
4 Ag 1152 1152 0.00      
5 Ag 777 777 0.00      
6 Ag 338 338 0.00      
7 Au 948 948 0.00      
8 Au 413 413 0.00      
9 B1g 837 837 0.00      
10 B1u 3258 3258 1.47      
11 B1u 1546 1546 104.23      
12 B1u 1148 1148 98.45      
13 B1u 1033 1033 50.89      
14 B1u 571 571 22.81      
15 B2g 899 899 0.00      
16 B2g 486 486 0.00      
17 B2g 296 296 0.00      
18 B2u 3272 3272 2.38      
19 B2u 1450 1450 6.21      
20 B2u 1257 1257 0.01      
21 B2u 1137 1137 3.24      
22 B2u 222 222 0.46      
23 B3g 3258 3258 0.00      
24 B3g 1656 1656 0.00      
25 B3g 1334 1334 0.00      
26 B3g 647 647 0.00      
27 B3g 358 358 0.00      
28 B3u 810 810 55.95      
29 B3u 475 475 21.18      
30 B3u 103 103 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 17922.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17922.0 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/6-311G**
ABC
0.18949 0.02224 0.01990

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.387
C2 0.000 0.000 -1.387
C3 0.000 1.211 0.697
C4 0.000 -1.211 0.697
C5 0.000 -1.211 -0.697
C6 0.000 1.211 -0.697
Cl7 0.000 0.000 3.124
Cl8 0.000 0.000 -3.124
H9 0.000 2.145 1.244
H10 0.000 -2.145 1.244
H11 0.000 -2.145 -1.244
H12 0.000 2.145 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.77341.39361.39362.41032.41031.73704.51042.14992.14993.39483.3948
C22.77342.41032.41031.39361.39364.51041.73703.39483.39482.14992.1499
C31.39362.41032.42232.79501.39452.71194.00831.08263.40073.87762.1547
C41.39362.41032.42231.39452.79502.71194.00833.40071.08262.15473.8776
C52.41031.39362.79501.39452.42234.00832.71193.87762.15471.08263.4007
C62.41031.39361.39452.79502.42234.00832.71192.15473.87763.40071.0826
Cl71.73704.51042.71192.71194.00834.00836.24742.85192.85194.86654.8665
Cl84.51041.73704.00834.00832.71192.71196.24744.86654.86652.85192.8519
H92.14993.39481.08263.40073.87762.15472.85194.86654.29044.96012.4890
H102.14993.39483.40071.08262.15473.87762.85194.86654.29042.48904.9601
H113.39482.14993.87762.15471.08263.40074.86652.85194.96012.48904.2904
H123.39482.14992.15473.87763.40071.08264.86652.85192.48904.96014.2904

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 119.650 C1 C3 H9 119.985
C1 C4 C5 119.650 C1 C4 H10 119.985
C2 C5 C4 119.650 C2 C5 H11 119.985
C2 C6 C3 119.650 C2 C6 H12 119.985
C3 C1 C4 120.699 C3 C1 Cl7 119.650
C3 C6 H12 120.365 C4 C1 Cl7 119.650
C4 C5 H11 120.365 C5 C2 C6 120.699
C5 C2 Cl8 119.650 C5 C4 H10 120.365
C6 C2 Cl8 119.650 C6 C3 H9 120.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability