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

using model chemistry: PBEPBE/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/cc-pVTZ
 hartrees
Energy at 0K-1150.894560
Energy at 298.15K-1150.898600
HF Energy-1150.894560
Nuclear repulsion energy447.831806
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/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 3142 3120 0.00      
2 Ag 1571 1560 0.00      
3 Ag 1158 1150 0.00      
4 Ag 1082 1075 0.00      
5 Ag 738 733 0.00      
6 Ag 322 320 0.00      
7 Au 937 931 0.00      
8 Au 407 404 0.00      
9 B1g 797 792 0.00      
10 B1u 3127 3105 1.59      
11 B1u 1459 1449 105.04      
12 B1u 1072 1064 100.36      
13 B1u 998 992 48.82      
14 B1u 536 532 35.87      
15 B2g 928 922 0.00      
16 B2g 694 689 0.00      
17 B2g 289 287 0.00      
18 B2u 3140 3118 1.49      
19 B2u 1384 1375 5.43      
20 B2u 1322 1313 0.02      
21 B2u 1090 1082 7.98      
22 B2u 214 213 0.79      
23 B3g 3128 3107 0.00      
24 B3g 1570 1559 0.00      
25 B3g 1271 1262 0.00      
26 B3g 618 613 0.00      
27 B3g 342 340 0.00      
28 B3u 810 804 49.16      
29 B3u 479 476 16.74      
30 B3u 99 98 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 17361.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 17241.7 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 PBEPBE/cc-pVTZ
ABC
0.18846 0.02212 0.01980

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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 0.697
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 3.133
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
C12.77061.39541.39542.41082.41081.74754.51812.15792.15793.40213.4021
C22.77062.41082.41081.39541.39544.51811.74753.40213.40212.15792.1579
C31.39542.41082.42822.80031.39492.72124.01801.08913.41243.88942.1608
C41.39542.41082.42821.39492.80032.72124.01803.41241.08912.16083.8894
C52.41081.39542.80031.39492.42824.01802.72123.88942.16081.08913.4124
C62.41081.39541.39492.80032.42824.01802.72122.16083.88943.41241.0891
Cl71.74754.51812.72122.72124.01804.01806.26552.86152.86154.88194.8819
Cl84.51811.74754.01804.01802.72122.72126.26554.88194.88192.86152.8615
H92.15793.40211.08913.41243.88942.16082.86154.88194.30704.97852.4970
H102.15793.40213.41241.08912.16083.88942.86154.88194.30702.49704.9785
H113.40212.15793.88942.16081.08913.41244.88192.86154.97852.49704.3070
H123.40212.15792.16083.88943.41241.08914.88192.86152.49704.97854.3070

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 119.534 C1 C3 H9 120.073
C1 C4 C5 119.534 C1 C4 H10 120.073
C2 C5 C4 119.534 C2 C5 H11 120.073
C2 C6 C3 119.534 C2 C6 H12 120.073
C3 C1 C4 120.933 C3 C1 Cl7 119.534
C3 C6 H12 120.394 C4 C1 Cl7 119.534
C4 C5 H11 120.394 C5 C2 C6 120.933
C5 C2 Cl8 119.534 C5 C4 H10 120.394
C6 C2 Cl8 119.534 C6 C3 H9 120.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.049      
2 C 0.049      
3 C -0.087      
4 C -0.087      
5 C -0.087      
6 C -0.087      
7 Cl -0.106      
8 Cl -0.106      
9 H 0.115      
10 H 0.115      
11 H 0.115      
12 H 0.115      


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 -62.220 0.000 0.000
y 0.000 -53.013 0.000
z 0.000 0.000 -64.870
Traceless
 xyz
x -3.279 0.000 0.000
y 0.000 10.533 0.000
z 0.000 0.000 -7.254
Polar
3z2-r2-14.508
x2-y2-9.208
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.835 0.000 0.000
y 0.000 13.242 0.000
z 0.000 0.000 21.324


<r2> (average value of r2) Å2
<r2> 466.045
(<r2>)1/2 21.588