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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-1151.266470
Energy at 298.15K-1151.270708
HF Energy-1151.266470
Nuclear repulsion energy470.330248
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 B3PW91/6-31G(2df,p)
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 3226 3102 3.19      
2 A1 3210 3086 6.25      
3 A1 1622 1559 3.61      
4 A1 1490 1433 66.14      
5 A1 1341 1289 1.00      
6 A1 1181 1136 3.31      
7 A1 1158 1114 43.26      
8 A1 1064 1023 6.59      
9 A1 670 644 15.54      
10 A1 486 467 6.17      
11 A1 199 191 0.01      
12 A2 984 946 0.00      
13 A2 878 844 0.00      
14 A2 722 694 0.00      
15 A2 526 506 0.00      
16 A2 138 133 0.00      
17 B1 950 913 1.66      
18 B1 770 741 51.41      
19 B1 449 432 3.19      
20 B1 237 228 0.50      
21 B2 3222 3098 2.35      
22 B2 3197 3074 1.12      
23 B2 1629 1566 6.43      
24 B2 1460 1404 19.18      
25 B2 1271 1222 3.26      
26 B2 1153 1108 1.60      
27 B2 1040 1000 35.85      
28 B2 752 723 18.31      
29 B2 433 416 0.66      
30 B2 338 325 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 17897.6 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 17206.8 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 B3PW91/6-31G(2df,p)
ABC
0.06405 0.04787 0.02739

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 -0.031
C2 0.000 -0.699 -0.031
C3 0.000 1.390 1.178
C4 0.000 -1.390 1.178
C5 0.000 0.695 2.380
C6 0.000 -0.695 2.380
Cl7 0.000 1.595 -1.508
Cl8 0.000 -1.595 -1.508
H9 0.000 2.474 1.159
H10 0.000 -2.474 1.159
H11 0.000 1.245 3.315
H12 0.000 -1.245 3.315

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39721.39242.41322.41042.78451.72832.72862.13693.38823.39003.8693
C21.39722.41321.39242.78452.41042.72861.72833.38822.13693.86933.3900
C31.39242.41322.78031.38822.40712.69374.01591.08403.86412.14203.3930
C42.41321.39242.78032.40711.38824.01592.69373.86411.08403.39302.1420
C52.41042.78451.38822.40711.39103.99054.51252.15733.39651.08492.1543
C62.78452.41042.40711.38821.39104.51253.99053.39652.15732.15431.0849
Cl71.72832.72862.69374.01593.99054.51253.19092.80774.86534.83575.5974
Cl82.72861.72834.01592.69374.51253.99053.19094.86532.80775.59744.8357
H92.13693.38821.08403.86412.15733.39652.80774.86534.94792.48184.2991
H103.38822.13693.86411.08403.39652.15734.86532.80774.94794.29912.4818
H113.39003.86932.14203.39301.08492.15434.83575.59742.48184.29912.4905
H123.86933.39003.39302.14202.15431.08495.59744.83574.29912.48182.4905

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 119.778 C1 C2 Cl8 121.260
C1 C3 C5 120.195 C1 C3 H9 118.765
C2 C1 C3 119.778 C2 C1 Cl7 121.260
C2 C4 C6 120.195 C2 C4 H10 118.765
C3 C1 Cl7 118.961 C3 C5 C6 120.027
C3 C5 H11 119.525 C4 C2 Cl8 118.961
C4 C6 C5 120.027 C4 C6 H12 119.525
C5 C3 H9 121.040 C5 C6 H12 120.448
C6 C4 H10 121.040 C6 C5 H11 120.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.115      
2 C 0.115      
3 C -0.162      
4 C -0.162      
5 C -0.134      
6 C -0.134      
7 Cl -0.117      
8 Cl -0.117      
9 H 0.157      
10 H 0.157      
11 H 0.141      
12 H 0.141      


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 2.623 2.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.160 0.000 0.000
y 0.000 -55.130 0.000
z 0.000 0.000 -53.866
Traceless
 xyz
x -6.662 0.000 0.000
y 0.000 2.383 0.000
z 0.000 0.000 4.279
Polar
3z2-r28.558
x2-y2-6.030
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.885 0.000 0.000
y 0.000 14.342 0.000
z 0.000 0.000 16.837


<r2> (average value of r2) Å2
<r2> 358.763
(<r2>)1/2 18.941