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

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-1148.647820
Energy at 298.15K-1148.652478
HF Energy-1148.647820
Nuclear repulsion energy472.155819
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/daug-cc-pVTZ
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 3365 3044 4.58      
2 A1 3346 3027 8.68      
3 A1 1747 1580 4.08      
4 A1 1621 1467 66.20      
5 A1 1304 1179 0.91      
6 A1 1240 1121 41.22      
7 A1 1169 1058 0.88      
8 A1 1124 1017 9.09      
9 A1 720 651 15.04      
10 A1 514 465 7.32      
11 A1 217 196 0.00      
12 A2 1122 1015 0.00      
13 A2 980 887 0.00      
14 A2 792 716 0.00      
15 A2 573 518 0.00      
16 A2 151 136 0.00      
17 B1 1085 982 1.79      
18 B1 849 768 74.36      
19 B1 494 447 5.37      
20 B1 257 233 1.04      
21 B2 3361 3040 4.11      
22 B2 3331 3013 1.47      
23 B2 1761 1593 7.49      
24 B2 1583 1432 20.73      
25 B2 1382 1250 4.96      
26 B2 1233 1115 3.29      
27 B2 1129 1022 35.20      
28 B2 803 726 18.39      
29 B2 460 416 1.05      
30 B2 363 328 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 19037.5 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 17221.3 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/daug-cc-pVTZ
ABC
0.06406 0.04839 0.02757

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.691 -0.028
C2 0.000 -0.691 -0.028
C3 0.000 1.379 1.172
C4 0.000 -1.379 1.172
C5 0.000 0.691 2.366
C6 0.000 -0.691 2.366
Cl7 0.000 1.602 -1.500
Cl8 0.000 -1.602 -1.500
H9 0.000 2.450 1.157
H10 0.000 -2.450 1.157
H11 0.000 1.234 3.291
H12 0.000 -1.234 3.291

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38221.38292.39242.39392.76431.73142.72512.12063.35693.36273.8366
C21.38222.39241.38292.76432.39392.72511.73143.35692.12063.83663.3627
C31.38292.39242.75731.37782.38952.68174.00311.07113.82832.12363.3638
C42.39241.38292.75732.38951.37784.00312.68173.82831.07113.36382.1236
C52.39392.76431.37782.38951.38223.97234.49522.13393.36531.07232.1357
C62.76432.39392.38951.37781.38224.49523.97233.36532.13392.13571.0723
Cl71.73142.72512.68174.00313.97234.49523.20362.78964.84544.80525.5675
Cl82.72511.73144.00312.68174.49523.97233.20364.84542.78965.56754.8052
H92.12063.35691.07113.82832.13393.36532.78964.84544.89932.45554.2569
H103.35692.12063.82831.07113.36532.13394.84542.78964.89934.25692.4555
H113.36273.83662.12363.36381.07232.13574.80525.56752.45554.25692.4682
H123.83663.36273.36382.12362.13571.07235.56754.80524.25692.45552.4682

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 119.813 C1 C2 Cl8 121.735
C1 C3 C5 120.252 C1 C3 H9 119.023
C2 C1 C3 119.813 C2 C1 Cl7 121.735
C2 C4 C6 120.252 C2 C4 H10 119.023
C3 C1 Cl7 118.452 C3 C5 C6 119.935
C3 C5 H11 119.643 C4 C2 Cl8 118.452
C4 C6 C5 119.935 C4 C6 H12 119.643
C5 C3 H9 120.724 C5 C6 H12 120.422
C6 C4 H10 120.724 C6 C5 H11 120.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.236      
2 C 1.236      
3 C -1.009      
4 C -1.009      
5 C -0.665      
6 C -0.665      
7 Cl -0.637      
8 Cl -0.637      
9 H 0.426      
10 H 0.426      
11 H 0.649      
12 H 0.649      


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 2.869 2.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.411 0.000 0.000
y 0.000 -56.959 0.000
z 0.000 0.000 -55.597
Traceless
 xyz
x -7.133 0.000 0.000
y 0.000 2.545 0.000
z 0.000 0.000 4.588
Polar
3z2-r29.176
x2-y2-6.452
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.635 0.000 0.000
y 0.000 15.303 0.000
z 0.000 0.000 17.428


<r2> (average value of r2) Å2
<r2> 357.740
(<r2>)1/2 18.914