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

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-1145.058875
Energy at 298.15K-1145.063134
HF Energy-1144.847440
Nuclear repulsion energy461.525459
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 B2PLYP/3-21G
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 3256 3256 2.99      
2 A1 3238 3238 4.11      
3 A1 1607 1607 1.67      
4 A1 1521 1521 50.82      
5 A1 1316 1316 0.49      
6 A1 1241 1241 0.01      
7 A1 1157 1157 29.09      
8 A1 1058 1058 6.22      
9 A1 687 687 14.53      
10 A1 455 455 11.02      
11 A1 188 188 0.00      
12 A2 1018 1018 0.00      
13 A2 905 905 0.00      
14 A2 754 754 0.00      
15 A2 541 541 0.00      
16 A2 142 142 0.00      
17 B1 990 990 3.90      
18 B1 788 788 81.21      
19 B1 465 465 7.85      
20 B1 238 238 1.25      
21 B2 3251 3251 0.16      
22 B2 3224 3224 1.51      
23 B2 1604 1604 5.49      
24 B2 1498 1498 17.83      
25 B2 1325 1325 4.14      
26 B2 1165 1165 2.23      
27 B2 1077 1077 39.66      
28 B2 748 748 23.60      
29 B2 413 413 1.46      
30 B2 327 327 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 18097.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18097.4 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 B2PLYP/3-21G
ABC
0.06162 0.04584 0.02629

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

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 1.398 1.208
C4 0.000 -1.398 1.208
C5 0.000 0.700 2.418
C6 0.000 -0.700 2.418
Cl7 0.000 1.639 -1.549
Cl8 0.000 -1.639 -1.549
H9 0.000 2.479 1.186
H10 0.000 -2.479 1.186
H11 0.000 1.247 3.352
H12 0.000 -1.247 3.352

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.38701.39232.41192.41092.78451.82112.80402.13953.38453.38983.8665
C21.38702.41191.39232.78452.41092.80401.82113.38452.13953.86653.3898
C31.39232.41192.79641.39732.42192.76774.10201.08113.87742.14893.4046
C42.41191.39232.79642.42191.39734.10202.76773.87741.08113.40462.1489
C52.41092.78451.39732.42191.39934.07704.60532.16453.40921.08202.1587
C62.78452.41092.42191.39731.39934.60534.07703.40922.16452.15871.0820
Cl71.82112.80402.76774.10204.07704.60533.27772.86134.94354.91655.6873
Cl82.80401.82114.10202.76774.60534.07703.27774.94352.86135.68734.9165
H92.13953.38451.08113.87742.16453.40922.86134.94354.95822.49174.3096
H103.38452.13953.87741.08113.40922.16454.94352.86134.95824.30962.4917
H113.38983.86652.14893.40461.08202.15874.91655.68732.49174.30962.4937
H123.86653.38983.40462.14892.15871.08205.68734.91654.30962.49172.4937

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 120.408 C1 C2 Cl8 121.273
C1 C3 C5 119.595 C1 C3 H9 119.237
C2 C1 C3 120.408 C2 C1 Cl7 121.273
C2 C4 C6 119.595 C2 C4 H10 119.237
C3 C1 Cl7 118.318 C3 C5 C6 119.997
C3 C5 H11 119.622 C4 C2 Cl8 118.318
C4 C6 C5 119.997 C4 C6 H12 119.622
C5 C3 H9 121.168 C5 C6 H12 120.381
C6 C4 H10 121.168 C6 C5 H11 120.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 C -0.255      
3 C -0.149      
4 C -0.149      
5 C -0.187      
6 C -0.187      
7 Cl 0.141      
8 Cl 0.141      
9 H 0.235      
10 H 0.235      
11 H 0.215      
12 H 0.215      


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 3.512 3.512
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.129 0.000 0.000
y 0.000 -56.608 0.000
z 0.000 0.000 -55.470
Traceless
 xyz
x -8.090 0.000 0.000
y 0.000 3.192 0.000
z 0.000 0.000 4.898
Polar
3z2-r29.796
x2-y2-7.521
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.969 0.000 0.000
y 0.000 12.538 0.000
z 0.000 0.000 15.333


<r2> (average value of r2) Å2
<r2> 373.076
(<r2>)1/2 19.315