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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-1150.891429
Energy at 298.15K-1150.895510
HF Energy-1150.891429
Nuclear repulsion energy468.181265
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 PBEPBEultrafine/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 3137 3115 3.70      
2 A1 3122 3101 6.36      
3 A1 1567 1557 3.66      
4 A1 1445 1435 62.40      
5 A1 1325 1316 1.64      
6 A1 1149 1141 1.95      
7 A1 1116 1108 49.33      
8 A1 1034 1027 9.00      
9 A1 653 649 14.88      
10 A1 471 468 6.77      
11 A1 192 191 0.02      
12 A2 955 948 0.00      
13 A2 840 835 0.00      
14 A2 698 693 0.00      
15 A2 512 508 0.00      
16 A2 132 131 0.00      
17 B1 923 917 1.58      
18 B1 737 732 58.61      
19 B1 434 431 4.54      
20 B1 227 225 1.01      
21 B2 3132 3111 3.00      
22 B2 3110 3088 1.14      
23 B2 1572 1561 7.71      
24 B2 1420 1410 17.50      
25 B2 1237 1228 3.50      
26 B2 1120 1112 0.79      
27 B2 1015 1008 35.29      
28 B2 731 726 19.68      
29 B2 419 417 0.65      
30 B2 329 326 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 17376.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 17256.7 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 PBEPBEultrafine/cc-pVTZ
ABC
0.06357 0.04737 0.02714

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.702 -0.029
C2 0.000 -0.702 -0.029
C3 0.000 1.395 1.185
C4 0.000 -1.395 1.185
C5 0.000 0.698 2.391
C6 0.000 -0.698 2.391
Cl7 0.000 1.601 -1.516
Cl8 0.000 -1.601 -1.516
H9 0.000 2.484 1.165
H10 0.000 -2.484 1.165
H11 0.000 1.251 3.331
H12 0.000 -1.251 3.331

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40341.39762.42262.42012.79581.73852.74172.14563.40233.40423.8858
C21.40342.42261.39762.79582.42012.74171.73853.40232.14563.88583.4042
C31.39762.42262.79021.39352.41612.70884.03411.08933.87932.15103.4069
C42.42261.39762.79022.41611.39354.03412.70883.87931.08933.40692.1510
C52.42012.79581.39352.41611.39624.01074.53402.16633.41021.09002.1635
C62.79582.42012.41611.39351.39624.53404.01073.41022.16632.16351.0900
Cl71.73852.74172.70884.03414.01074.53403.20292.82334.88714.85985.6240
Cl82.74171.73854.03412.70884.53404.01073.20294.88712.82335.62404.8598
H92.14563.40231.08933.87932.16633.41022.82334.88714.96832.49204.3173
H103.40232.14563.87931.08933.41022.16634.88712.82334.96834.31732.4920
H113.40423.88582.15103.40691.09002.16354.85985.62402.49204.31732.5016
H123.88583.40423.40692.15102.16351.09005.62404.85984.31732.49202.5016

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 119.745 C1 C2 Cl8 121.169
C1 C3 C5 120.244 C1 C3 H9 118.736
C2 C1 C3 119.745 C2 C1 Cl7 121.169
C2 C4 C6 120.244 C2 C4 H10 118.736
C3 C1 Cl7 119.086 C3 C5 C6 120.011
C3 C5 H11 119.521 C4 C2 Cl8 119.086
C4 C6 C5 120.011 C4 C6 H12 119.521
C5 C3 H9 121.020 C5 C6 H12 120.468
C6 C4 H10 121.020 C6 C5 H11 120.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 C 0.038      
3 C -0.083      
4 C -0.083      
5 C -0.096      
6 C -0.096      
7 Cl -0.082      
8 Cl -0.082      
9 H 0.114      
10 H 0.114      
11 H 0.108      
12 H 0.108      


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 2.327 2.327
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.223 0.000 0.000
y 0.000 -56.090 0.000
z 0.000 0.000 -54.916
Traceless
 xyz
x -6.720 0.000 0.000
y 0.000 2.480 0.000
z 0.000 0.000 4.240
Polar
3z2-r28.481
x2-y2-6.133
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.778 0.000 0.000
y 0.000 15.501 0.000
z 0.000 0.000 18.265


<r2> (average value of r2) Å2
<r2> 362.393
(<r2>)1/2 19.037