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

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-1150.864710
Energy at 298.15K-1150.868609
HF Energy-1150.864710
Nuclear repulsion energy446.653877
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 PBEPBEultrafine/TZVP
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 3146 3110 0.00      
2 Ag 1572 1554 0.00      
3 Ag 1163 1150 0.00      
4 Ag 1081 1069 0.00      
5 Ag 739 731 0.00      
6 Ag 322 318 0.00      
7 Au 902 892 0.00      
8 Au 399 394 0.00      
9 B1g 788 779 0.00      
10 B1u 3131 3096 1.07      
11 B1u 1460 1443 114.74      
12 B1u 1072 1059 102.79      
13 B1u 997 986 57.95      
14 B1u 533 527 38.96      
15 B2g 866 856 0.00      
16 B2g 572 566 0.00      
17 B2g 280 277 0.00      
18 B2u 3144 3108 0.78      
19 B2u 1384 1369 4.61      
20 B2u 1324 1309 0.01      
21 B2u 1095 1083 8.49      
22 B2u 215 212 0.81      
23 B3g 3133 3097 0.00      
24 B3g 1571 1553 0.00      
25 B3g 1272 1258 0.00      
26 B3g 620 613 0.00      
27 B3g 346 342 0.00      
28 B3u 782 773 49.90      
29 B3u 465 459 20.06      
30 B3u 97 95 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 17234.2 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 17037.8 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 PBEPBEultrafine/TZVP
ABC
0.18813 0.02197 0.01968

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.386
C2 0.000 0.000 -1.386
C3 0.000 1.215 0.698
C4 0.000 -1.215 0.698
C5 0.000 -1.215 -0.698
C6 0.000 1.215 -0.698
Cl7 0.000 0.000 3.144
Cl8 0.000 0.000 -3.144
H9 0.000 2.156 1.248
H10 0.000 -2.156 1.248
H11 0.000 -2.156 -1.248
H12 0.000 2.156 -1.248

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.77111.39601.39602.41212.41211.75874.52982.16062.16063.40373.4037
C22.77112.41212.41211.39601.39604.52981.75873.40373.40372.16062.1606
C31.39602.41212.43012.80271.39642.73124.02991.09013.41583.89282.1619
C41.39602.41212.43011.39642.80272.73124.02993.41581.09012.16193.8928
C52.41211.39602.80271.39642.43014.02992.73123.89282.16191.09013.4158
C62.41211.39601.39642.80272.43014.02992.73122.16193.89283.41581.0901
Cl71.75874.52982.73122.73124.02994.02996.28852.87142.87144.89304.8930
Cl84.52981.75874.02994.02992.73122.73126.28854.89304.89302.87142.8714
H92.16063.40371.09013.41583.89282.16192.87144.89304.31254.98282.4962
H102.16063.40373.41581.09012.16193.89282.87144.89304.31252.49624.9828
H113.40372.16063.89282.16191.09013.41584.89302.87144.98282.49624.3125
H123.40372.16062.16193.89283.41581.09014.89302.87142.49624.98284.3125

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 119.498 C1 C3 H9 120.206
C1 C4 C5 119.498 C1 C4 H10 120.206
C2 C5 C4 119.498 C2 C5 H11 120.206
C2 C6 C3 119.498 C2 C6 H12 120.206
C3 C1 C4 121.004 C3 C1 Cl7 119.498
C3 C6 H12 120.296 C4 C1 Cl7 119.498
C4 C5 H11 120.296 C5 C2 C6 121.004
C5 C2 Cl8 119.498 C5 C4 H10 120.296
C6 C2 Cl8 119.498 C6 C3 H9 120.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 C -0.103      
3 C -0.044      
4 C -0.044      
5 C -0.044      
6 C -0.044      
7 Cl -0.073      
8 Cl -0.073      
9 H 0.132      
10 H 0.132      
11 H 0.132      
12 H 0.132      


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 -62.782 0.000 0.000
y 0.000 -52.906 0.000
z 0.000 0.000 -65.234
Traceless
 xyz
x -3.712 0.000 0.000
y 0.000 11.103 0.000
z 0.000 0.000 -7.391
Polar
3z2-r2-14.781
x2-y2-9.876
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.981 0.000 0.000
y 0.000 12.860 0.000
z 0.000 0.000 20.648


<r2> (average value of r2) Å2
<r2> 468.792
(<r2>)1/2 21.652