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

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/SDD
 hartrees
Energy at 0K-1148.362932
Energy at 298.15K-1148.367540
HF Energy-1148.362932
Nuclear repulsion energy464.031010
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 HF/SDD
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 3436 3094 13.99      
2 A1 3416 3076 9.75      
3 A1 1765 1589 2.99      
4 A1 1625 1463 58.21      
5 A1 1345 1211 0.03      
6 A1 1274 1147 0.25      
7 A1 1235 1112 27.40      
8 A1 1125 1013 10.53      
9 A1 718 647 17.09      
10 A1 489 440 10.31      
11 A1 207 187 0.03      
12 A2 1149 1035 0.00      
13 A2 1008 907 0.00      
14 A2 809 729 0.00      
15 A2 575 517 0.00      
16 A2 149 134 0.00      
17 B1 1108 997 2.61      
18 B1 877 790 116.78      
19 B1 502 452 10.75      
20 B1 253 228 1.55      
21 B2 3429 3088 7.79      
22 B2 3401 3062 2.35      
23 B2 1770 1593 7.22      
24 B2 1589 1431 21.56      
25 B2 1407 1267 2.57      
26 B2 1244 1120 1.30      
27 B2 1122 1010 46.75      
28 B2 784 706 25.28      
29 B2 445 401 1.45      
30 B2 353 318 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 19302.9 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 17380.4 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 HF/SDD
ABC
0.06169 0.04664 0.02656

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.693 -0.007
C2 0.000 -0.693 -0.007
C3 0.000 1.393 1.197
C4 0.000 -1.393 1.197
C5 0.000 0.698 2.402
C6 0.000 -0.698 2.402
Cl7 0.000 1.640 -1.533
Cl8 0.000 -1.640 -1.533
H9 0.000 2.463 1.184
H10 0.000 -2.463 1.184
H11 0.000 1.239 3.326
H12 0.000 -1.239 3.326

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38681.39202.40862.40912.78181.79622.78842.13333.37393.37753.8529
C21.38682.40861.39202.78182.40912.78841.79623.37392.13333.85293.3775
C31.39202.40862.78621.39202.41342.74084.08071.07043.85652.13533.3861
C42.40861.39202.78622.41341.39204.08072.74083.85651.07043.38612.1353
C52.40912.78181.39202.41341.39504.04684.57742.14533.38751.07122.1460
C62.78182.40912.41341.39201.39504.57744.04683.38752.14532.14601.0712
Cl71.79622.78842.74084.08074.04684.57743.28032.83924.92164.87595.6486
Cl82.78841.79624.08072.74084.57744.04683.28034.92162.83925.64864.8759
H92.13333.37391.07043.85652.14533.38752.83924.92164.92682.46724.2778
H103.37392.13333.85651.07043.38752.14534.92162.83924.92684.27782.4672
H113.37753.85292.13533.38611.07122.14604.87595.64862.46724.27782.4788
H123.85293.37753.38612.13532.14601.07125.64864.87594.27782.46722.4788

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 120.177 C1 C2 Cl8 121.811
C1 C3 C5 119.844 C1 C3 H9 119.510
C2 C1 C3 120.177 C2 C1 Cl7 121.811
C2 C4 C6 119.844 C2 C4 H10 119.510
C3 C1 Cl7 118.012 C3 C5 C6 119.979
C3 C5 H11 119.631 C4 C2 Cl8 118.012
C4 C6 C5 119.979 C4 C6 H12 119.631
C5 C3 H9 120.645 C5 C6 H12 120.390
C6 C4 H10 120.645 C6 C5 H11 120.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 C -0.034      
3 C -0.179      
4 C -0.179      
5 C -0.203      
6 C -0.203      
7 Cl -0.063      
8 Cl -0.063      
9 H 0.251      
10 H 0.251      
11 H 0.230      
12 H 0.230      


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 3.935 3.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.520 0.000 0.000
y 0.000 -57.732 0.000
z 0.000 0.000 -56.978
Traceless
 xyz
x -7.165 0.000 0.000
y 0.000 3.016 0.000
z 0.000 0.000 4.148
Polar
3z2-r28.297
x2-y2-6.787
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.296 0.000 0.000
y 0.000 12.384 0.000
z 0.000 0.000 14.903


<r2> (average value of r2) Å2
<r2> 370.171
(<r2>)1/2 19.240