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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-1151.432017
Energy at 298.15K-1151.436282
HF Energy-1151.432017
Nuclear repulsion energy470.483298
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 B1B95/6-31+G**
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 3254 3112 3.92      
2 A1 3239 3098 5.67      
3 A1 1645 1574 5.80      
4 A1 1508 1443 66.44      
5 A1 1357 1298 1.46      
6 A1 1187 1136 3.77      
7 A1 1169 1118 46.58      
8 A1 1073 1026 9.14      
9 A1 671 642 17.36      
10 A1 488 467 6.53      
11 A1 216 207 0.02      
12 A2 999 956 0.00      
13 A2 873 835 0.00      
14 A2 715 684 0.00      
15 A2 525 502 0.00      
16 A2 137 131 0.00      
17 B1 963 922 1.82      
18 B1 766 733 73.04      
19 B1 448 428 5.54      
20 B1 237 227 1.36      
21 B2 3249 3108 2.96      
22 B2 3227 3087 0.99      
23 B2 1657 1585 10.39      
24 B2 1473 1409 18.94      
25 B2 1280 1224 2.90      
26 B2 1160 1110 1.29      
27 B2 1045 999 40.99      
28 B2 754 721 18.38      
29 B2 435 416 0.40      
30 B2 339 325 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 18044.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 17260.9 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 B1B95/6-31+G**
ABC
0.06406 0.04790 0.02741

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.698 -0.031
C2 0.000 -0.698 -0.031
C3 0.000 1.388 1.177
C4 0.000 -1.388 1.177
C5 0.000 0.695 2.379
C6 0.000 -0.695 2.379
Cl7 0.000 1.596 -1.508
Cl8 0.000 -1.596 -1.508
H9 0.000 2.471 1.160
H10 0.000 -2.471 1.160
H11 0.000 1.244 3.313
H12 0.000 -1.244 3.313

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39591.39152.41082.41002.78371.72842.72832.13523.38483.38793.8668
C21.39592.41081.39152.78372.41002.72831.72843.38482.13523.86683.3879
C31.39152.41082.77651.38732.40532.69294.01441.08253.85892.14023.3899
C42.41081.39152.77652.40531.38734.01442.69293.85891.08253.38992.1402
C52.41002.78371.38732.40531.39053.98984.51192.15403.39271.08312.1527
C62.78372.41002.40531.38731.39054.51193.98983.39272.15402.15271.0831
Cl71.72842.72832.69294.01443.98984.51193.19222.80684.86334.83315.5950
Cl82.72831.72844.01442.69294.51193.98983.19224.86332.80685.59504.8331
H92.13523.38481.08253.85892.15403.39272.80684.86334.94132.47794.2940
H103.38482.13523.85891.08253.39272.15404.86332.80684.94134.29402.4779
H113.38793.86682.14023.38991.08312.15274.83315.59502.47794.29402.4889
H123.86683.38793.38992.14022.15271.08315.59504.83314.29402.47792.4889

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 119.742 C1 C2 Cl8 121.306
C1 C3 C5 120.289 C1 C3 H9 118.797
C2 C1 C3 119.742 C2 C1 Cl7 121.306
C2 C4 C6 120.289 C2 C4 H10 118.797
C3 C1 Cl7 118.951 C3 C5 C6 119.969
C3 C5 H11 119.564 C4 C2 Cl8 118.951
C4 C6 C5 119.969 C4 C6 H12 119.564
C5 C3 H9 120.914 C5 C6 H12 120.468
C6 C4 H10 120.914 C6 C5 H11 120.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 C -0.213      
3 C -0.260      
4 C -0.260      
5 C -0.118      
6 C -0.118      
7 Cl 0.259      
8 Cl 0.259      
9 H 0.173      
10 H 0.173      
11 H 0.159      
12 H 0.159      


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 2.634 2.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.742 0.000 0.000
y 0.000 -55.903 0.000
z 0.000 0.000 -54.768
Traceless
 xyz
x -7.406 0.000 0.000
y 0.000 2.852 0.000
z 0.000 0.000 4.555
Polar
3z2-r29.110
x2-y2-6.839
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.375 0.000 0.000
y 0.000 14.839 0.000
z 0.000 0.000 17.309


<r2> (average value of r2) Å2
<r2> 359.279
(<r2>)1/2 18.955