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

using model chemistry: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1149.706088
Energy at 298.15K-1149.710127
HF Energy-1148.569119
Nuclear repulsion energy446.173410
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/aug-cc-pVDZ
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 3247 3147 0.00      
2 Ag 1606 1556 0.00      
3 Ag 1181 1145 0.00      
4 Ag 1121 1086 0.00      
5 Ag 748 725 0.00      
6 Ag 327 317 0.00      
7 Au 925 896 0.00      
8 Au 405 393 0.00      
9 B1g 810 785 0.00      
10 B1u 3231 3132 0.49      
11 B1u 1467 1422 98.21      
12 B1u 1108 1074 80.36      
13 B1u 998 967 60.80      
14 B1u 555 538 23.61      
15 B2g 881 854 0.00      
16 B2g 577 559 0.00      
17 B2g 297 288 0.00      
18 B2u 3246 3146 0.33      
19 B2u 1480 1434 0.16      
20 B2u 1385 1343 5.05      
21 B2u 1105 1071 6.48      
22 B2u 219 212 0.76      
23 B3g 3233 3134 0.00      
24 B3g 1602 1552 0.00      
25 B3g 1281 1241 0.00      
26 B3g 619 600 0.00      
27 B3g 348 338 0.00      
28 B3u 807 782 51.04      
29 B3u 473 458 18.42      
30 B3u 101 98 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 17691.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 17146.7 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 MP2=FULL/aug-cc-pVDZ
ABC
0.18602 0.02200 0.01968

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.392
C2 0.000 0.000 -1.392
C3 0.000 1.223 0.702
C4 0.000 -1.223 0.702
C5 0.000 -1.223 -0.702
C6 0.000 1.223 -0.702
Cl7 0.000 0.000 3.140
Cl8 0.000 0.000 -3.140
H9 0.000 2.163 1.257
H10 0.000 -2.163 1.257
H11 0.000 -2.163 -1.257
H12 0.000 2.163 -1.257

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.78301.40361.40362.42462.42461.74854.53162.16722.16723.41943.4194
C22.78302.42462.42461.40361.40364.53161.74853.41943.41942.16722.1672
C31.40362.42462.44552.82011.40452.72734.03221.09163.43083.91172.1731
C41.40362.42462.44551.40452.82012.72734.03223.43081.09162.17313.9117
C52.42461.40362.82011.40452.44554.03222.72733.91172.17311.09163.4308
C62.42461.40361.40452.82012.44554.03222.72732.17313.91173.43081.0916
Cl71.74854.53162.72732.72734.03224.03226.28012.86792.86794.90024.9002
Cl84.53161.74854.03224.03222.72732.72736.28014.90024.90022.86792.8679
H92.16723.41941.09163.43083.91172.17312.86794.90024.32595.00332.5138
H102.16723.41943.43081.09162.17313.91172.86794.90024.32592.51385.0033
H113.41942.16723.91172.17311.09163.43084.90022.86795.00332.51384.3259
H123.41942.16722.17313.91173.43081.09164.90022.86792.51385.00334.3259

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 119.411 C1 C3 H9 120.052
C1 C4 C5 119.411 C1 C4 H10 120.052
C2 C5 C4 119.411 C2 C5 H11 120.052
C2 C6 C3 119.411 C2 C6 H12 120.052
C3 C1 C4 121.178 C3 C1 Cl7 119.411
C3 C6 H12 120.537 C4 C1 Cl7 119.411
C4 C5 H11 120.537 C5 C2 C6 121.178
C5 C2 Cl8 119.411 C5 C4 H10 120.537
C6 C2 Cl8 119.411 C6 C3 H9 120.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability