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 (1,4-dichlorobenzene)

using model chemistry: TPSSh/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-1151.597684
Energy at 298.15K-1151.601846
HF Energy-1151.597684
Nuclear repulsion energy449.826321
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 TPSSh/6-311+G(3df,2p)
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 3202 3202 0.00      
2 Ag 1608 1608 0.00      
3 Ag 1194 1194 0.00      
4 Ag 1102 1102 0.00      
5 Ag 746 746 0.00      
6 Ag 327 327 0.00      
7 Au 985 985 0.00      
8 Au 414 414 0.00      
9 B1g 834 834 0.00      
10 B1u 3185 3185 2.20      
11 B1u 1504 1504 95.17      
12 B1u 1095 1095 81.76      
13 B1u 964 964 82.08      
14 B1u 545 545 31.81      
15 B2g 965 965 0.00      
16 B2g 703 703 0.00      
17 B2g 298 298 0.00      
18 B2u 3201 3201 2.45      
19 B2u 1418 1418 6.24      
20 B2u 1320 1320 0.13      
21 B2u 1118 1118 5.98      
22 B2u 220 220 0.94      
23 B3g 3188 3188 0.00      
24 B3g 1603 1603 0.00      
25 B3g 1318 1318 0.00      
26 B3g 627 627 0.00      
27 B3g 348 348 0.00      
28 B3u 843 843 49.99      
29 B3u 496 496 16.58      
30 B3u 103 103 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 17737.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17737.0 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 TPSSh/6-311+G(3df,2p)
ABC
0.18996 0.02232 0.01998

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.381
C2 0.000 0.000 -1.381
C3 0.000 1.210 0.695
C4 0.000 -1.210 0.695
C5 0.000 -1.210 -0.695
C6 0.000 1.210 -0.695
Cl7 0.000 0.000 3.118
Cl8 0.000 0.000 -3.118
H9 0.000 2.143 1.241
H10 0.000 -2.143 1.241
H11 0.000 -2.143 -1.241
H12 0.000 2.143 -1.241

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76101.39021.39022.40232.40231.73784.49882.14772.14773.38653.3865
C22.76102.40232.40231.39021.39024.49881.73783.38653.38652.14772.1477
C31.39022.40232.41912.79011.39032.70824.00061.08183.39703.87192.1499
C41.39022.40232.41911.39032.79012.70824.00063.39701.08182.14993.8719
C52.40231.39022.79011.39032.41914.00062.70823.87192.14991.08183.3970
C62.40231.39021.39032.79012.41914.00062.70822.14993.87193.39701.0818
Cl71.73784.49882.70822.70824.00064.00066.23652.84882.84884.85814.8581
Cl84.49881.73784.00064.00062.70822.70826.23654.85814.85812.84882.8488
H92.14773.38651.08183.39703.87192.14992.84884.85814.28654.95372.4830
H102.14773.38653.39701.08182.14993.87192.84884.85814.28652.48304.9537
H113.38652.14773.87192.14991.08183.39704.85812.84884.95372.48304.2865
H123.38652.14772.14993.87193.39701.08184.85812.84882.48304.95374.2865

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 119.538 C1 C3 H9 120.128
C1 C4 C5 119.538 C1 C4 H10 120.128
C2 C5 C4 119.538 C2 C5 H11 120.128
C2 C6 C3 119.538 C2 C6 H12 120.128
C3 C1 C4 120.925 C3 C1 Cl7 119.538
C3 C6 H12 120.335 C4 C1 Cl7 119.538
C4 C5 H11 120.335 C5 C2 C6 120.925
C5 C2 Cl8 119.538 C5 C4 H10 120.335
C6 C2 Cl8 119.538 C6 C3 H9 120.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.362      
2 C 1.362      
3 C -0.678      
4 C -0.678      
5 C -0.678      
6 C -0.678      
7 Cl -0.168      
8 Cl -0.168      
9 H 0.080      
10 H 0.080      
11 H 0.080      
12 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.701 0.000 0.000
y 0.000 13.957 0.000
z 0.000 0.000 21.762


<r2> (average value of r2) Å2
<r2> 462.375
(<r2>)1/2 21.503