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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-1150.938203
Energy at 298.15K-1150.942391
HF Energy-1150.579828
Nuclear repulsion energy446.909729
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 B2PLYP=FULL/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 3112 0.00      
2 Ag 1636 1568 0.00      
3 Ag 1188 1139 0.00      
4 Ag 1122 1075 0.00      
5 Ag 758 726 0.00      
6 Ag 331 318 0.00      
7 Au 971 931 0.00      
8 Au 419 401 0.00      
9 B1g 833 799 0.00      
10 B1u 3231 3097 1.16      
11 B1u 1507 1445 104.83      
12 B1u 1113 1067 95.78      
13 B1u 1023 981 46.87      
14 B1u 552 529 32.08      
15 B2g 950 910 0.00      
16 B2g 684 656 0.00      
17 B2g 298 286 0.00      
18 B2u 3246 3111 1.26      
19 B2u 1427 1367 5.29      
20 B2u 1358 1302 0.22      
21 B2u 1117 1071 7.10      
22 B2u 221 212 0.97      
23 B3g 3233 3099 0.00      
24 B3g 1629 1561 0.00      
25 B3g 1303 1249 0.00      
26 B3g 637 611 0.00      
27 B3g 354 339 0.00      
28 B3u 834 799 42.69      
29 B3u 494 473 15.30      
30 B3u 103 98 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 17908.4 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 17165.2 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 B2PLYP=FULL/cc-pVDZ
ABC
0.18783 0.02202 0.01971

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.389
C2 0.000 0.000 -1.389
C3 0.000 1.216 0.699
C4 0.000 -1.216 0.699
C5 0.000 -1.216 -0.699
C6 0.000 1.216 -0.699
Cl7 0.000 0.000 3.140
Cl8 0.000 0.000 -3.140
H9 0.000 2.157 1.250
H10 0.000 -2.157 1.250
H11 0.000 -2.157 -1.250
H12 0.000 2.157 -1.250

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.77761.39821.39822.41632.41631.75104.52872.16102.16103.40803.4080
C22.77762.41632.41631.39821.39824.52871.75103.40803.40802.16102.1610
C31.39822.41632.43242.80561.39822.72704.02701.08993.41743.89552.1642
C41.39822.41632.43241.39822.80562.72704.02703.41741.08992.16423.8955
C52.41631.39822.80561.39822.43244.02702.72703.89552.16421.08993.4174
C62.41631.39821.39822.80562.43244.02702.72702.16423.89553.41741.0899
Cl71.75104.52872.72702.72704.02704.02706.27972.86732.86734.89114.8911
Cl84.52871.75104.02704.02702.72702.72706.27974.89114.89112.86732.8673
H92.16103.40801.08993.41743.89552.16422.86734.89114.31304.98542.5003
H102.16103.40803.41741.08992.16423.89552.86734.89114.31302.50034.9854
H113.40802.16103.89552.16421.08993.41744.89112.86734.98542.50034.3130
H123.40802.16102.16423.89553.41741.08994.89112.86732.50034.98544.3130

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 119.558 C1 C3 H9 120.070
C1 C4 C5 119.558 C1 C4 H10 120.070
C2 C5 C4 119.558 C2 C5 H11 120.070
C2 C6 C3 119.558 C2 C6 H12 120.070
C3 C1 C4 120.883 C3 C1 Cl7 119.558
C3 C6 H12 120.372 C4 C1 Cl7 119.558
C4 C5 H11 120.372 C5 C2 C6 120.883
C5 C2 Cl8 119.558 C5 C4 H10 120.372
C6 C2 Cl8 119.558 C6 C3 H9 120.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability