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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-1150.881516
Energy at 298.15K-1150.885532
HF Energy-1150.881516
Nuclear repulsion energy448.389281
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 PBEPBEultrafine/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 3136 3136 0.00      
2 Ag 1568 1568 0.00      
3 Ag 1159 1159 0.00      
4 Ag 1083 1083 0.00      
5 Ag 735 735 0.00      
6 Ag 322 322 0.00      
7 Au 944 944 0.00      
8 Au 405 405 0.00      
9 B1g 798 798 0.00      
10 B1u 3119 3119 1.72      
11 B1u 1456 1456 102.46      
12 B1u 1068 1068 71.26      
13 B1u 920 920 82.84      
14 B1u 535 535 28.70      
15 B2g 928 928 0.00      
16 B2g 689 689 0.00      
17 B2g 289 289 0.00      
18 B2u 3135 3135 1.05      
19 B2u 1382 1382 5.39      
20 B2u 1319 1319 0.01      
21 B2u 1090 1090 7.46      
22 B2u 217 217 0.69      
23 B3g 3123 3123 0.00      
24 B3g 1562 1562 0.00      
25 B3g 1269 1269 0.00      
26 B3g 612 612 0.00      
27 B3g 346 346 0.00      
28 B3u 810 810 48.20      
29 B3u 481 481 17.37      
30 B3u 99 99 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 17299.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17299.2 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
0.18862 0.02219 0.01985

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

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 1.213 0.697
C4 0.000 -1.213 0.697
C5 0.000 -1.213 -0.697
C6 0.000 1.213 -0.697
Cl7 0.000 0.000 3.127
Cl8 0.000 0.000 -3.127
H9 0.000 2.154 1.247
H10 0.000 -2.154 1.247
H11 0.000 -2.154 -1.247
H12 0.000 2.154 -1.247

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.77441.39581.39582.41202.41201.73994.51432.15842.15843.40283.4028
C22.77442.41202.41201.39581.39584.51431.73993.40283.40282.15842.1584
C31.39582.41202.42682.79901.39472.71594.01241.08943.41183.88842.1601
C41.39582.41202.42681.39472.79902.71594.01243.41181.08942.16013.8884
C52.41201.39582.79901.39472.42684.01242.71593.88842.16011.08943.4118
C62.41201.39581.39472.79902.42684.01242.71592.16013.88843.41181.0894
Cl71.73994.51432.71592.71594.01244.01246.25432.85882.85884.87594.8759
Cl84.51431.73994.01244.01242.71592.71596.25434.87594.87592.85882.8588
H92.15843.40281.08943.41183.88842.16012.85884.87594.30774.97782.4945
H102.15843.40283.41181.08942.16013.88842.85884.87594.30772.49454.9778
H113.40282.15843.88842.16011.08943.41184.87592.85884.97782.49454.3077
H123.40282.15842.16013.88843.41181.08944.87592.85882.49454.97784.3077

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 119.619 C1 C3 H9 120.065
C1 C4 C5 119.619 C1 C4 H10 120.065
C2 C5 C4 119.619 C2 C5 H11 120.065
C2 C6 C3 119.619 C2 C6 H12 120.065
C3 C1 C4 120.762 C3 C1 Cl7 119.619
C3 C6 H12 120.316 C4 C1 Cl7 119.619
C4 C5 H11 120.316 C5 C2 C6 120.762
C5 C2 Cl8 119.619 C5 C4 H10 120.316
C6 C2 Cl8 119.619 C6 C3 H9 120.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.226      
2 C 1.226      
3 C -0.629      
4 C -0.629      
5 C -0.629      
6 C -0.629      
7 Cl -0.200      
8 Cl -0.200      
9 H 0.116      
10 H 0.116      
11 H 0.116      
12 H 0.116      


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
Primitive
 xyz
x -62.814 0.000 0.000
y 0.000 -53.338 0.000
z 0.000 0.000 -65.259
Traceless
 xyz
x -3.515 0.000 0.000
y 0.000 10.699 0.000
z 0.000 0.000 -7.184
Polar
3z2-r2-14.367
x2-y2-9.476
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.908 0.000 0.000
y 0.000 14.360 0.000
z 0.000 0.000 22.567


<r2> (average value of r2) Å2
<r2> 465.134
(<r2>)1/2 21.567