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

using model chemistry: PBEPBE/aug-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 PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-1150.897970
Energy at 298.15K-1150.901992
HF Energy-1150.897970
Nuclear repulsion energy447.807411
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 PBEPBE/aug-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 3140 3119 0.00      
2 Ag 1567 1557 0.00      
3 Ag 1155 1147 0.00      
4 Ag 1080 1073 0.00      
5 Ag 736 731 0.00      
6 Ag 321 319 0.00      
7 Au 939 933 0.00      
8 Au 403 401 0.00      
9 B1g 798 792 0.00      
10 B1u 3125 3104 1.36      
11 B1u 1455 1446 105.01      
12 B1u 1070 1063 99.40      
13 B1u 996 990 51.88      
14 B1u 535 531 36.02      
15 B2g 925 919 0.00      
16 B2g 687 683 0.00      
17 B2g 287 285 0.00      
18 B2u 3138 3118 0.91      
19 B2u 1380 1372 5.57      
20 B2u 1320 1311 0.00      
21 B2u 1087 1080 7.55      
22 B2u 214 212 0.69      
23 B3g 3126 3106 0.00      
24 B3g 1567 1557 0.00      
25 B3g 1268 1260 0.00      
26 B3g 616 612 0.00      
27 B3g 341 339 0.00      
28 B3u 809 804 46.69      
29 B3u 478 475 18.64      
30 B3u 98 98 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 17329.0 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 17216.4 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 PBEPBE/aug-cc-pVTZ
ABC
0.18840 0.02212 0.01980

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.385
C2 0.000 0.000 -1.385
C3 0.000 1.214 0.698
C4 0.000 -1.214 0.698
C5 0.000 -1.214 -0.698
C6 0.000 1.214 -0.698
Cl7 0.000 0.000 3.133
Cl8 0.000 0.000 -3.133
H9 0.000 2.154 1.248
H10 0.000 -2.154 1.248
H11 0.000 -2.154 -1.248
H12 0.000 2.154 -1.248

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.77011.39541.39542.41082.41081.74784.51792.15812.15813.40203.4020
C22.77012.41082.41081.39541.39544.51791.74783.40203.40202.15812.1581
C31.39542.41082.42862.80081.39522.72124.01831.08903.41283.88982.1609
C41.39542.41082.42861.39522.80082.72124.01833.41281.08902.16093.8898
C52.41081.39542.80081.39522.42864.01832.72123.88982.16091.08903.4128
C62.41081.39541.39522.80082.42864.01832.72122.16093.88983.41281.0890
Cl71.74784.51792.72122.72124.01834.01836.26562.86182.86184.88204.8820
Cl84.51791.74784.01834.01832.72122.72126.26564.88204.88202.86182.8618
H92.15813.40201.08903.41283.88982.16092.86184.88204.30764.97882.4967
H102.15813.40203.41281.08902.16093.88982.86184.88204.30762.49674.9788
H113.40202.15813.88982.16091.08903.41284.88202.86184.97882.49674.3076
H123.40202.15812.16093.88983.41281.08904.88202.86182.49674.97884.3076

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 119.515 C1 C3 H9 120.106
C1 C4 C5 119.515 C1 C4 H10 120.106
C2 C5 C4 119.515 C2 C5 H11 120.106
C2 C6 C3 119.515 C2 C6 H12 120.106
C3 C1 C4 120.970 C3 C1 Cl7 119.515
C3 C6 H12 120.379 C4 C1 Cl7 119.515
C4 C5 H11 120.379 C5 C2 C6 120.970
C5 C2 Cl8 119.515 C5 C4 H10 120.379
C6 C2 Cl8 119.515 C6 C3 H9 120.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.627      
2 C 0.627      
3 C -0.726      
4 C -0.726      
5 C -0.726      
6 C -0.726      
7 Cl -0.300      
8 Cl -0.300      
9 H 0.563      
10 H 0.563      
11 H 0.563      
12 H 0.563      


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 -62.609 0.000 0.000
y 0.000 -53.389 0.000
z 0.000 0.000 -65.591
Traceless
 xyz
x -3.119 0.000 0.000
y 0.000 10.711 0.000
z 0.000 0.000 -7.592
Polar
3z2-r2-15.184
x2-y2-9.220
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.026 0.000 0.000
y 0.000 14.507 0.000
z 0.000 0.000 22.656


<r2> (average value of r2) Å2
<r2> 466.377
(<r2>)1/2 21.596