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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-1151.418753
Energy at 298.15K-1151.423018
HF Energy-1151.418753
Nuclear repulsion energy470.591959
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 B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3259 3112 4.56      
2 A1 3244 3098 7.24      
3 A1 1655 1580 4.23      
4 A1 1519 1450 65.28      
5 A1 1360 1299 1.08      
6 A1 1196 1142 2.92      
7 A1 1175 1122 45.73      
8 A1 1079 1030 6.73      
9 A1 672 642 17.57      
10 A1 489 467 6.62      
11 A1 217 207 0.01      
12 A2 996 951 0.00      
13 A2 874 834 0.00      
14 A2 709 677 0.00      
15 A2 524 500 0.00      
16 A2 139 133 0.00      
17 B1 957 914 2.01      
18 B1 769 734 59.46      
19 B1 449 429 4.02      
20 B1 238 228 0.74      
21 B2 3255 3108 3.97      
22 B2 3232 3086 1.18      
23 B2 1666 1591 7.72      
24 B2 1484 1417 18.63      
25 B2 1289 1231 3.00      
26 B2 1167 1114 1.85      
27 B2 1046 999 40.01      
28 B2 755 721 18.45      
29 B2 436 416 0.48      
30 B2 339 324 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 18094.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17277.0 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 B1B95/6-31G**
ABC
0.06405 0.04794 0.02742

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.698 -0.030
C2 0.000 -0.698 -0.030
C3 0.000 1.387 1.177
C4 0.000 -1.387 1.177
C5 0.000 0.695 2.378
C6 0.000 -0.695 2.378
Cl7 0.000 1.597 -1.507
Cl8 0.000 -1.597 -1.507
H9 0.000 2.470 1.159
H10 0.000 -2.470 1.159
H11 0.000 1.244 3.312
H12 0.000 -1.244 3.312

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39541.39052.40952.40832.78181.72882.72852.13453.38373.38663.8654
C21.39542.40951.39052.78182.40832.72851.72883.38372.13453.86543.3866
C31.39052.40952.77491.38642.40362.69214.01361.08283.85772.13973.3886
C42.40951.39052.77492.40361.38644.01362.69213.85771.08283.38862.1397
C52.40832.78181.38642.40361.38933.98824.51032.15373.39151.08362.1519
C62.78182.40832.40361.38641.38934.51033.98823.39152.15372.15191.0836
Cl71.72882.72852.69214.01363.98824.51033.19342.80534.86274.83185.5939
Cl82.72851.72884.01362.69214.51033.98823.19344.86272.80535.59394.8318
H92.13453.38371.08283.85772.15373.39152.80534.86274.94032.47774.2931
H103.38372.13453.85771.08283.39152.15374.86272.80534.94034.29312.4777
H113.38663.86542.13973.38861.08362.15194.83185.59392.47774.29312.4880
H123.86543.38663.38862.13972.15191.08365.59394.83184.29312.47772.4880

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 119.740 C1 C2 Cl8 121.335
C1 C3 C5 120.279 C1 C3 H9 118.782
C2 C1 C3 119.740 C2 C1 Cl7 121.335
C2 C4 C6 120.279 C2 C4 H10 118.782
C3 C1 Cl7 118.925 C3 C5 C6 119.981
C3 C5 H11 119.557 C4 C2 Cl8 118.925
C4 C6 C5 119.981 C4 C6 H12 119.557
C5 C3 H9 120.939 C5 C6 H12 120.462
C6 C4 H10 120.939 C6 C5 H11 120.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 C -0.109      
3 C -0.143      
4 C -0.143      
5 C -0.151      
6 C -0.151      
7 Cl 0.040      
8 Cl 0.040      
9 H 0.190      
10 H 0.190      
11 H 0.174      
12 H 0.174      


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 2.716 2.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.617 0.000 0.000
y 0.000 -54.903 0.000
z 0.000 0.000 -53.732
Traceless
 xyz
x -7.300 0.000 0.000
y 0.000 2.772 0.000
z 0.000 0.000 4.528
Polar
3z2-r29.057
x2-y2-6.714
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.507 0.000 0.000
y 0.000 13.453 0.000
z 0.000 0.000 15.950


<r2> (average value of r2) Å2
<r2> 358.483
(<r2>)1/2 18.934