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

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-66.135145
Energy at 298.15K-66.139170
HF Energy-66.135145
Nuclear repulsion energy160.459868
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 B3LYP/CEP-31G*
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 3215 3105 0.00      
2 Ag 1621 1565 0.00      
3 Ag 1180 1139 0.00      
4 Ag 1101 1063 0.00      
5 Ag 737 712 0.00      
6 Ag 320 309 0.00      
7 Au 993 959 0.00      
8 Au 411 397 0.00      
9 B1g 851 822 0.00      
10 B1u 3194 3084 1.48      
11 B1u 1493 1442 112.73      
12 B1u 1094 1056 87.60      
13 B1u 991 957 96.14      
14 B1u 534 515 38.36      
15 B2g 971 937 0.00      
16 B2g 660 637 0.00      
17 B2g 294 283 0.00      
18 B2u 3213 3103 2.69      
19 B2u 1415 1366 4.57      
20 B2u 1349 1302 0.05      
21 B2u 1110 1072 6.70      
22 B2u 214 206 1.01      
23 B3g 3195 3085 0.00      
24 B3g 1624 1568 0.00      
25 B3g 1295 1250 0.00      
26 B3g 615 594 0.00      
27 B3g 342 330 0.00      
28 B3u 857 828 87.86      
29 B3u 480 464 24.29      
30 B3u 102 99 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 17733.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 17124.7 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 B3LYP/CEP-31G*
ABC
0.18249 0.02157 0.01929

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.401
C2 0.000 0.000 -1.401
C3 0.000 1.235 0.708
C4 0.000 -1.235 0.708
C5 0.000 -1.235 -0.708
C6 0.000 1.235 -0.708
Cl7 0.000 0.000 3.172
Cl8 0.000 0.000 -3.172
H9 0.000 2.177 1.261
H10 0.000 -2.177 1.261
H11 0.000 -2.177 -1.261
H12 0.000 2.177 -1.261

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.80141.41641.41642.44402.44401.77164.57302.18172.18173.43853.4385
C22.80142.44402.44401.41641.41644.57301.77163.43853.43852.18172.1817
C31.41642.44402.47092.84791.41612.75664.07231.09193.45713.93982.1824
C41.41642.44402.47091.41612.84792.75664.07233.45711.09192.18243.9398
C52.44401.41642.84791.41612.47094.07232.75663.93982.18241.09193.4571
C62.44401.41641.41612.84792.47094.07232.75662.18243.93983.45711.0919
Cl71.77164.57302.75662.75664.07234.07236.34462.89732.89734.93884.9388
Cl84.57301.77164.07234.07232.75662.75666.34464.93884.93882.89732.8973
H92.18173.43851.09193.45713.93982.18242.89734.93884.35435.03162.5214
H102.18173.43853.45711.09192.18243.93982.89734.93884.35432.52145.0316
H113.43852.18173.93982.18241.09193.45714.93882.89735.03162.52144.3543
H123.43852.18172.18243.93983.45711.09194.93882.89732.52145.03164.3543

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 119.277 C1 C3 H9 120.316
C1 C4 C5 119.277 C1 C4 H10 120.316
C2 C5 C4 119.277 C2 C5 H11 120.316
C2 C6 C3 119.277 C2 C6 H12 120.316
C3 C1 C4 121.447 C3 C1 Cl7 119.277
C3 C6 H12 120.407 C4 C1 Cl7 119.277
C4 C5 H11 120.407 C5 C2 C6 121.447
C5 C2 Cl8 119.277 C5 C4 H10 120.407
C6 C2 Cl8 119.277 C6 C3 H9 120.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 C -0.152      
3 C -0.209      
4 C -0.209      
5 C -0.209      
6 C -0.209      
7 Cl -0.104      
8 Cl -0.104      
9 H 0.336      
10 H 0.336      
11 H 0.336      
12 H 0.336      


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 -61.335 0.000 0.000
y 0.000 -50.293 0.000
z 0.000 0.000 -64.364
Traceless
 xyz
x -4.006 0.000 0.000
y 0.000 12.556 0.000
z 0.000 0.000 -8.550
Polar
3z2-r2-17.100
x2-y2-11.041
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.056 0.000 0.000
y 0.000 11.927 0.000
z 0.000 0.000 20.291


<r2> (average value of r2) Å2
<r2> 250.984
(<r2>)1/2 15.842