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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-1151.328289
Energy at 298.15K-1151.332615
HF Energy-1151.328289
Nuclear repulsion energy464.714191
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 3278 3126 5.05      
2 A1 3260 3109 7.03      
3 A1 1664 1587 3.91      
4 A1 1532 1461 59.30      
5 A1 1387 1323 0.08      
6 A1 1226 1169 0.54      
7 A1 1178 1123 34.33      
8 A1 1083 1033 7.51      
9 A1 676 645 17.74      
10 A1 472 450 10.34      
11 A1 213 203 0.00      
12 A2 1044 996 0.00      
13 A2 913 871 0.00      
14 A2 752 717 0.00      
15 A2 542 517 0.00      
16 A2 140 134 0.00      
17 B1 1002 956 3.34      
18 B1 795 758 79.79      
19 B1 464 442 6.86      
20 B1 240 229 0.93      
21 B2 3272 3121 2.44      
22 B2 3246 3095 1.69      
23 B2 1664 1587 7.48      
24 B2 1500 1430 18.02      
25 B2 1315 1254 2.21      
26 B2 1177 1123 1.12      
27 B2 1055 1006 42.50      
28 B2 749 715 23.12      
29 B2 427 407 0.93      
30 B2 332 317 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 18297.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 17450.1 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
0.06251 0.04654 0.02668

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 0.694 -0.004
C2 0.000 -0.694 -0.004
C3 0.000 1.393 1.198
C4 0.000 -1.393 1.198
C5 0.000 0.697 2.403
C6 0.000 -0.697 2.403
Cl7 0.000 1.624 -1.535
Cl8 0.000 -1.624 -1.535
H9 0.000 2.473 1.179
H10 0.000 -2.473 1.179
H11 0.000 1.244 3.336
H12 0.000 -1.244 3.336

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38881.39012.40842.40672.77981.79182.77872.13663.38163.38473.8616
C21.38882.40841.39012.77982.40672.77871.79183.38162.13663.86163.3847
C31.39012.40842.78531.39142.41182.74354.07111.08103.86622.14293.3946
C42.40841.39012.78532.41181.39144.07112.74353.86621.08103.39462.1429
C52.40672.77981.39142.41181.39334.04624.57132.15743.39811.08182.1535
C62.77982.40672.41181.39141.39334.57134.04623.39812.15742.15351.0818
Cl71.79182.77872.74354.07114.04624.57133.24812.84474.91534.88625.6532
Cl82.77871.79184.07112.74354.57134.04623.24814.91532.84475.65324.8862
H92.13663.38161.08103.86622.15743.39812.84474.91534.94702.48234.2980
H103.38162.13663.86621.08103.39812.15744.91532.84474.94704.29802.4823
H113.38473.86162.14293.39461.08182.15354.88625.65322.48234.29802.4885
H123.86163.38473.39462.14292.15351.08185.65324.88624.29802.48232.4885

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 120.155 C1 C2 Cl8 121.254
C1 C3 C5 119.830 C1 C3 H9 119.157
C2 C1 C3 120.155 C2 C1 Cl7 121.254
C2 C4 C6 119.830 C2 C4 H10 119.157
C3 C1 Cl7 118.592 C3 C5 C6 120.016
C3 C5 H11 119.573 C4 C2 Cl8 118.592
C4 C6 C5 120.016 C4 C6 H12 119.573
C5 C3 H9 121.014 C5 C6 H12 120.411
C6 C4 H10 121.014 C6 C5 H11 120.411
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 -0.274      
2 C -0.274      
3 C -0.111      
4 C -0.111      
5 C -0.146      
6 C -0.146      
7 Cl 0.157      
8 Cl 0.157      
9 H 0.196      
10 H 0.196      
11 H 0.177      
12 H 0.177      


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 3.444 3.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.291 0.000 0.000
y 0.000 -55.672 0.000
z 0.000 0.000 -54.673
Traceless
 xyz
x -7.119 0.000 0.000
y 0.000 2.810 0.000
z 0.000 0.000 4.309
Polar
3z2-r28.618
x2-y2-6.619
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.687 0.000 0.000
y 0.000 13.018 0.000
z 0.000 0.000 15.736


<r2> (average value of r2) Å2
<r2> 367.556
(<r2>)1/2 19.172