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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-1151.396928
Energy at 298.15K-1151.401164
HF Energy-1151.396928
Nuclear repulsion energy450.494001
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 B3PW91/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 Ag 3218 3094 0.00      
2 Ag 1630 1568 0.00      
3 Ag 1194 1148 0.00      
4 Ag 1118 1075 0.00      
5 Ag 761 732 0.00      
6 Ag 332 319 0.00      
7 Au 984 946 0.00      
8 Au 421 405 0.00      
9 B1g 833 801 0.00      
10 B1u 3203 3080 1.20      
11 B1u 1511 1453 109.57      
12 B1u 1110 1067 101.75      
13 B1u 1029 990 46.77      
14 B1u 553 532 34.25      
15 B2g 971 934 0.00      
16 B2g 720 692 0.00      
17 B2g 300 288 0.00      
18 B2u 3216 3093 0.94      
19 B2u 1428 1373 6.40      
20 B2u 1330 1279 0.05      
21 B2u 1123 1080 6.93      
22 B2u 220 212 0.88      
23 B3g 3204 3081 0.00      
24 B3g 1626 1563 0.00      
25 B3g 1314 1264 0.00      
26 B3g 637 613 0.00      
27 B3g 353 339 0.00      
28 B3u 845 813 53.72      
29 B3u 498 479 18.03      
30 B3u 103 99 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 17893.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17205.9 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 B3PW91/cc-pVTZ
ABC
0.19090 0.02237 0.02003

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.377
C2 0.000 0.000 -1.377
C3 0.000 1.206 0.693
C4 0.000 -1.206 0.693
C5 0.000 -1.206 -0.693
C6 0.000 1.206 -0.693
Cl7 0.000 0.000 3.115
Cl8 0.000 0.000 -3.115
H9 0.000 2.139 1.240
H10 0.000 -2.139 1.240
H11 0.000 -2.139 -1.240
H12 0.000 2.139 -1.240

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75451.38681.38682.39642.39641.73784.49232.14382.14383.38063.3806
C22.75452.39642.39641.38681.38684.49231.73783.38063.38062.14382.1438
C31.38682.39642.41272.78281.38672.70553.99491.08153.39013.86432.1470
C41.38682.39642.41271.38672.78282.70553.99493.39011.08152.14703.8643
C52.39641.38682.78281.38672.41273.99492.70553.86432.14701.08153.3901
C62.39641.38681.38672.78282.41273.99492.70552.14703.86433.39011.0815
Cl71.73784.49232.70552.70553.99493.99496.23012.84462.84464.85244.8524
Cl84.49231.73783.99493.99492.70552.70556.23014.85244.85242.84462.8446
H92.14383.38061.08153.39013.86432.14702.84464.85244.27874.94582.4806
H102.14383.38063.39011.08152.14703.86432.84464.85244.27872.48064.9458
H113.38062.14383.86432.14701.08153.39014.85242.84464.94582.48064.2787
H123.38062.14382.14703.86433.39011.08154.85242.84462.48064.94584.2787

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.551 C1 C3 H9 120.069
C1 C4 C5 119.551 C1 C4 H10 120.069
C2 C5 C4 119.551 C2 C5 H11 120.069
C2 C6 C3 119.551 C2 C6 H12 120.069
C3 C1 C4 120.899 C3 C1 Cl7 119.551
C3 C6 H12 120.380 C4 C1 Cl7 119.551
C4 C5 H11 120.380 C5 C2 C6 120.899
C5 C2 Cl8 119.551 C5 C4 H10 120.380
C6 C2 Cl8 119.551 C6 C3 H9 120.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.034      
2 C 0.034      
3 C -0.088      
4 C -0.088      
5 C -0.088      
6 C -0.088      
7 Cl -0.111      
8 Cl -0.111      
9 H 0.127      
10 H 0.127      
11 H 0.127      
12 H 0.127      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.989 0.000 0.000
y 0.000 -52.446 0.000
z 0.000 0.000 -64.979
Traceless
 xyz
x -3.277 0.000 0.000
y 0.000 11.038 0.000
z 0.000 0.000 -7.761
Polar
3z2-r2-15.522
x2-y2-9.544
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.770 0.000 0.000
y 0.000 12.828 0.000
z 0.000 0.000 20.420


<r2> (average value of r2) Å2
<r2> 460.960
(<r2>)1/2 21.470