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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-64.474713
Energy at 298.15K-64.479318
HF Energy-64.474713
Nuclear repulsion energy163.341840
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/CEP-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 3438 3099 19.18      
2 A1 3413 3076 16.41      
3 A1 1766 1592 4.74      
4 A1 1622 1462 59.64      
5 A1 1353 1220 0.02      
6 A1 1275 1150 0.22      
7 A1 1237 1115 29.67      
8 A1 1122 1011 10.62      
9 A1 707 637 18.55      
10 A1 490 442 9.90      
11 A1 207 186 0.01      
12 A2 1149 1035 0.00      
13 A2 1019 918 0.00      
14 A2 791 713 0.00      
15 A2 577 520 0.00      
16 A2 150 135 0.00      
17 B1 1116 1006 1.50      
18 B1 890 802 99.45      
19 B1 498 449 14.35      
20 B1 258 232 2.25      
21 B2 3431 3092 14.61      
22 B2 3391 3056 2.77      
23 B2 1769 1595 10.51      
24 B2 1583 1427 24.54      
25 B2 1398 1260 2.59      
26 B2 1238 1116 2.26      
27 B2 1100 992 53.65      
28 B2 780 703 26.00      
29 B2 443 399 0.69      
30 B2 350 316 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 19279.1 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 17378.2 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/CEP-31G
ABC
0.06088 0.04605 0.02622

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.703 -0.013
C2 0.000 -0.703 -0.013
C3 0.000 1.410 1.204
C4 0.000 -1.410 1.204
C5 0.000 0.704 2.421
C6 0.000 -0.704 2.421
Cl7 0.000 1.648 -1.542
Cl8 0.000 -1.648 -1.542
H9 0.000 2.484 1.189
H10 0.000 -2.484 1.189
H11 0.000 1.248 3.349
H12 0.000 -1.248 3.349

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40511.40702.43742.43332.81081.79762.80392.14883.40553.40593.8869
C21.40512.43741.40702.81082.43332.80391.79763.40552.14883.88693.4059
C31.40702.43742.81911.40632.43922.75584.10921.07433.89342.15143.4156
C42.43741.40702.81912.43921.40634.10922.75583.89341.07433.41562.1514
C52.43332.81081.40632.43921.40904.07304.60792.16383.41781.07612.1623
C62.81082.43332.43921.40631.40904.60794.07303.41782.16382.16231.0761
Cl71.79762.80392.75584.10924.07304.60793.29562.85614.95264.90715.6840
Cl82.80391.79764.10922.75584.60794.07303.29564.95262.85615.68404.9071
H92.14883.40551.07433.89342.16383.41782.85614.95264.96762.48834.3120
H103.40552.14883.89341.07433.41782.16384.95262.85614.96764.31202.4883
H113.40593.88692.15143.41561.07612.16234.90715.68402.48834.31202.4965
H123.88693.40593.41562.15142.16231.07615.68404.90714.31202.48832.4965

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 120.163 C1 C2 Cl8 121.724
C1 C3 C5 119.746 C1 C3 H9 119.388
C2 C1 C3 120.163 C2 C1 Cl7 121.724
C2 C4 C6 119.746 C2 C4 H10 119.388
C3 C1 Cl7 118.113 C3 C5 C6 120.091
C3 C5 H11 119.556 C4 C2 Cl8 118.113
C4 C6 C5 120.091 C4 C6 H12 119.556
C5 C3 H9 120.866 C5 C6 H12 120.353
C6 C4 H10 120.866 C6 C5 H11 120.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.308      
2 C -0.308      
3 C -0.060      
4 C -0.060      
5 C -0.278      
6 C -0.278      
7 Cl 0.097      
8 Cl 0.097      
9 H 0.287      
10 H 0.287      
11 H 0.260      
12 H 0.260      


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 4.045 4.045
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.039 0.000 0.000
y 0.000 -56.304 0.000
z 0.000 0.000 -55.531
Traceless
 xyz
x -7.121 0.000 0.000
y 0.000 2.980 0.000
z 0.000 0.000 4.141
Polar
3z2-r28.282
x2-y2-6.735
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.839 0.000 0.000
y 0.000 12.935 0.000
z 0.000 0.000 15.710


<r2> (average value of r2) Å2
<r2> 230.695
(<r2>)1/2 15.189