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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-1151.487201
Energy at 298.15K-1151.491339
HF Energy-1151.487201
Nuclear repulsion energy448.791438
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 TPSSh/6-31G(2df,p)
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 3220 3107 0.00      
2 Ag 1607 1551 0.00      
3 Ag 1193 1151 0.00      
4 Ag 1105 1066 0.00      
5 Ag 745 719 0.00      
6 Ag 326 315 0.00      
7 Au 956 923 0.00      
8 Au 415 400 0.00      
9 B1g 836 806 0.00      
10 B1u 3204 3092 2.31      
11 B1u 1500 1448 97.68      
12 B1u 1099 1061 104.57      
13 B1u 1015 979 61.71      
14 B1u 547 528 36.60      
15 B2g 962 928 0.00      
16 B2g 706 681 0.00      
17 B2g 298 288 0.00      
18 B2u 3218 3105 3.18      
19 B2u 1415 1365 6.41      
20 B2u 1331 1285 0.02      
21 B2u 1117 1077 5.43      
22 B2u 217 210 1.24      
23 B3g 3205 3093 0.00      
24 B3g 1610 1553 0.00      
25 B3g 1311 1265 0.00      
26 B3g 626 604 0.00      
27 B3g 344 332 0.00      
28 B3u 839 810 44.74      
29 B3u 495 477 11.32      
30 B3u 103 99 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 17780.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17158.2 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 TPSSh/6-31G(2df,p)
ABC
0.18872 0.02224 0.01989

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.380
C2 0.000 0.000 -1.380
C3 0.000 1.214 0.697
C4 0.000 -1.214 0.697
C5 0.000 -1.214 -0.697
C6 0.000 1.214 -0.697
Cl7 0.000 0.000 3.125
Cl8 0.000 0.000 -3.125
H9 0.000 2.148 1.246
H10 0.000 -2.148 1.246
H11 0.000 -2.148 -1.246
H12 0.000 2.148 -1.246

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76021.39311.39312.40542.40541.74444.50462.15182.15183.39253.3925
C22.76022.40542.40541.39311.39314.50461.74443.39253.39252.15182.1518
C31.39312.40542.42782.79911.39312.71454.00921.08353.40623.88252.1554
C41.39312.40542.42781.39312.79912.71454.00923.40621.08352.15543.8825
C52.40541.39312.79911.39312.42784.00922.71453.88252.15541.08353.4062
C62.40541.39311.39312.79912.42784.00922.71452.15543.88253.40621.0835
Cl71.74444.50462.71452.71454.00924.00926.24902.85322.85324.86974.8697
Cl84.50461.74444.00924.00922.71452.71456.24904.86974.86972.85322.8532
H92.15183.39251.08353.40623.88252.15542.85324.86974.29534.96592.4921
H102.15183.39253.40621.08352.15543.88252.85324.86974.29532.49214.9659
H113.39252.15183.88252.15541.08353.40624.86972.85324.96592.49214.2953
H123.39252.15182.15543.88253.40621.08354.86972.85322.49214.96594.2953

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 119.385 C1 C3 H9 120.138
C1 C4 C5 119.385 C1 C4 H10 120.138
C2 C5 C4 119.385 C2 C5 H11 120.138
C2 C6 C3 119.385 C2 C6 H12 120.138
C3 C1 C4 121.230 C3 C1 Cl7 119.385
C3 C6 H12 120.477 C4 C1 Cl7 119.385
C4 C5 H11 120.477 C5 C2 C6 121.230
C5 C2 Cl8 119.385 C5 C4 H10 120.477
C6 C2 Cl8 119.385 C6 C3 H9 120.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.153      
2 C 0.153      
3 C -0.160      
4 C -0.160      
5 C -0.160      
6 C -0.160      
7 Cl -0.144      
8 Cl -0.144      
9 H 0.155      
10 H 0.155      
11 H 0.155      
12 H 0.155      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.936 0.000 0.000
y 0.000 12.254 0.000
z 0.000 0.000 19.939


<r2> (average value of r2) Å2
<r2> 463.556
(<r2>)1/2 21.530