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 (1,3-dichlorobenzene)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-66.065551
Energy at 298.15K-66.069627
HF Energy-66.065551
Nuclear repulsion energy160.075370
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-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3217 3135 0.17      
2 A1 3205 3123 7.87      
3 A1 3169 3088 8.35      
4 A1 1598 1557 30.47      
5 A1 1429 1392 15.00      
6 A1 1117 1088 8.65      
7 A1 1074 1047 32.79      
8 A1 996 971 5.87      
9 A1 660 643 2.17      
10 A1 377 367 4.53      
11 A1 184 179 0.76      
12 A2 928 905 0.00      
13 A2 525 511 0.00      
14 A2 202 197 0.00      
15 B1 996 971 0.00      
16 B1 887 864 8.84      
17 B1 797 777 78.90      
18 B1 629 612 5.43      
19 B1 443 431 5.45      
20 B1 164 160 0.06      
21 B2 3198 3117 3.23      
22 B2 1592 1552 89.25      
23 B2 1476 1438 72.11      
24 B2 1328 1294 1.36      
25 B2 1298 1265 1.74      
26 B2 1195 1164 0.24      
27 B2 1086 1058 22.65      
28 B2 750 731 95.94      
29 B2 415 405 7.69      
30 B2 345 337 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 17638.3 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 17188.6 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-121G
ABC
0.09000 0.02705 0.02080

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.119
C2 0.000 1.230 1.421
C3 0.000 -1.230 1.421
C4 0.000 1.203 0.012
C5 0.000 -1.203 0.012
C6 0.000 0.000 -0.722
Cl7 0.000 2.785 -0.908
Cl8 0.000 -2.785 -0.908
H9 0.000 0.000 3.206
H10 0.000 2.176 1.952
H11 0.000 -2.176 1.952
H12 0.000 0.000 -1.806

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.41451.41452.42562.42562.84124.11374.11371.08712.18292.18293.9246
C21.41452.46091.40892.81182.47162.80084.64272.16771.08483.44813.4536
C31.41452.46092.81181.40892.47164.64272.80082.16773.44811.08483.4536
C42.42561.40892.81182.40601.40971.83094.09343.41242.17013.89652.1803
C52.42562.81181.40892.40601.40974.09341.83093.41243.89652.17012.1803
C62.84122.47162.47161.40971.40972.79172.79173.92823.44813.44811.0834
Cl74.11372.80084.64271.83094.09342.79175.57104.96842.92455.72742.9265
Cl84.11374.64272.80084.09341.83092.79175.57104.96845.72742.92452.9265
H91.08712.16772.16773.41243.41243.92824.96844.96842.51182.51185.0117
H102.18291.08483.44812.17013.89653.44812.92455.72742.51184.35304.3426
H112.18293.44811.08483.89652.17013.44815.72742.92452.51184.35304.3426
H123.92463.45363.45362.18032.18031.08342.92652.92655.01174.34264.3426

picture of 1,3-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 118.434 C1 C2 H10 121.149
C1 C3 C5 118.434 C1 C3 H11 121.149
C2 C1 C3 120.897 C2 C1 H9 119.551
C2 C4 C6 122.537 C2 C4 Cl7 119.078
C3 C1 H9 119.551 C3 C5 C6 122.537
C3 C5 Cl8 119.078 C4 C2 H10 120.416
C4 C6 C5 117.159 C4 C6 H12 121.421
C5 C3 H11 120.416 C5 C6 H12 121.421
C6 C4 Cl7 118.384 C6 C5 Cl8 118.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.151      
2 C -0.100      
3 C -0.100      
4 C -0.274      
5 C -0.274      
6 C -0.067      
7 Cl 0.079      
8 Cl 0.079      
9 H 0.168      
10 H 0.203      
11 H 0.203      
12 H 0.236      


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 2.218 2.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.055 0.000 0.000
y 0.000 -64.101 0.000
z 0.000 0.000 -52.253
Traceless
 xyz
x -3.878 0.000 0.000
y 0.000 -6.947 0.000
z 0.000 0.000 10.825
Polar
3z2-r221.650
x2-y22.046
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.076 0.000 0.000
y 0.000 18.290 0.000
z 0.000 0.000 13.972


<r2> (average value of r2) Å2
<r2> 247.845
(<r2>)1/2 15.743