return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H4Cl2 (1,2-dichlorobenzene)

using model chemistry: B2PLYP=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/STO-3G
 hartrees
Energy at 0K-1137.893867
Energy at 298.15K-1137.897665
HF Energy-1137.761596
Nuclear repulsion energy459.363406
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/STO-3G
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 3522 3522 9.59      
2 A1 3508 3508 4.53      
3 A1 1707 1707 0.58      
4 A1 1588 1588 57.65      
5 A1 1294 1294 0.00      
6 A1 1253 1253 21.55      
7 A1 1235 1235 7.84      
8 A1 1107 1107 0.02      
9 A1 702 702 9.89      
10 A1 497 497 4.95      
11 A1 185 185 0.29      
12 A2 1063 1063 0.00      
13 A2 930 930 0.00      
14 A2 738 738 0.00      
15 A2 527 527 0.00      
16 A2 145 145 0.00      
17 B1 1023 1023 1.70      
18 B1 810 810 31.99      
19 B1 456 456 0.42      
20 B1 237 237 0.29      
21 B2 3514 3514 33.53      
22 B2 3497 3497 1.04      
23 B2 1718 1718 4.05      
24 B2 1559 1559 23.47      
25 B2 1344 1344 3.62      
26 B2 1218 1218 9.10      
27 B2 1118 1118 23.89      
28 B2 801 801 9.66      
29 B2 433 433 1.66      
30 B2 332 332 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 19029.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19029.1 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/STO-3G
ABC
0.06130 0.04544 0.02610

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.710 -0.010
C2 0.000 -0.710 -0.010
C3 0.000 1.417 1.215
C4 0.000 -1.417 1.215
C5 0.000 0.705 2.432
C6 0.000 -0.705 2.432
Cl7 0.000 1.635 -1.553
Cl8 0.000 -1.635 -1.553
H9 0.000 2.514 1.202
H10 0.000 -2.514 1.202
H11 0.000 1.257 3.380
H12 0.000 -1.257 3.380

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.42041.41422.45442.44162.82231.79862.80692.17303.44443.43423.9199
C21.42042.45441.41422.82232.44162.80691.79863.44442.17303.91993.4342
C31.41422.45442.83311.40922.44592.77664.11961.09763.93072.17103.4406
C42.45441.41422.83312.44591.40924.11962.77663.93071.09763.44062.1710
C52.44162.82231.40922.44591.41074.09154.62082.18743.44641.09762.1799
C62.82232.44162.44591.40921.41074.62084.09153.44642.18742.17991.0976
Cl71.79862.80692.77664.11964.09154.62083.26912.89154.97984.94765.7184
Cl82.80691.79864.11962.77664.62084.09153.26914.97982.89155.71844.9476
H92.17303.44441.09763.93072.18743.44642.89154.97985.02822.51524.3556
H103.44442.17303.93071.09763.44642.18744.97982.89155.02824.35562.5152
H113.43423.91992.17103.44061.09762.17994.94765.71842.51524.35562.5148
H123.91993.43423.44062.17102.17991.09765.71844.94764.35562.51522.5148

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.966 C1 C2 Cl8 120.925
C1 C3 C5 119.722 C1 C3 H9 119.258
C2 C1 C3 119.966 C2 C1 Cl7 120.925
C2 C4 C6 119.722 C2 C4 H10 119.258
C3 C1 Cl7 119.109 C3 C5 C6 120.312
C3 C5 H11 119.492 C4 C2 Cl8 119.109
C4 C6 C5 120.312 C4 C6 H12 119.492
C5 C3 H9 121.019 C5 C6 H12 120.196
C6 C4 H10 121.019 C6 C5 H11 120.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability