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

using model chemistry: PBEPBE/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 PBEPBE/TZVP
 hartrees
Energy at 0K-1150.864696
Energy at 298.15K-1150.868594
HF Energy-1150.864696
Nuclear repulsion energy446.652368
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/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 3147 3111 0.00      
2 Ag 1571 1554 0.00      
3 Ag 1164 1151 0.00      
4 Ag 1080 1068 0.00      
5 Ag 738 730 0.00      
6 Ag 322 318 0.00      
7 Au 902 892 0.00      
8 Au 398 394 0.00      
9 B1g 787 779 0.00      
10 B1u 3132 3097 1.06      
11 B1u 1460 1443 114.12      
12 B1u 1070 1058 101.87      
13 B1u 997 986 59.07      
14 B1u 532 526 39.28      
15 B2g 865 856 0.00      
16 B2g 572 566 0.00      
17 B2g 280 277 0.00      
18 B2u 3145 3110 0.78      
19 B2u 1384 1369 4.65      
20 B2u 1323 1308 0.01      
21 B2u 1095 1083 8.47      
22 B2u 215 213 0.81      
23 B3g 3134 3098 0.00      
24 B3g 1570 1553 0.00      
25 B3g 1273 1259 0.00      
26 B3g 619 612 0.00      
27 B3g 346 342 0.00      
28 B3u 782 773 49.90      
29 B3u 465 460 20.06      
30 B3u 97 96 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 17232.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 17039.4 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/TZVP
ABC
0.18812 0.02197 0.01968

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

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 1.215 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
C12.77101.39601.39602.41212.41211.75874.52972.16062.16063.40383.4038
C22.77102.41212.41211.39601.39604.52971.75873.40383.40382.16062.1606
C31.39602.41212.43012.80281.39642.73124.02991.09013.41593.89292.1620
C41.39602.41212.43011.39642.80282.73124.02993.41591.09012.16203.8929
C52.41211.39602.80281.39642.43014.02992.73123.89292.16201.09013.4159
C62.41211.39601.39642.80282.43014.02992.73122.16203.89293.41591.0901
Cl71.75874.52972.73122.73124.02994.02996.28842.87132.87134.89324.8932
Cl84.52971.75874.02994.02992.73122.73126.28844.89324.89322.87132.8713
H92.16063.40381.09013.41593.89292.16202.87134.89324.31254.98302.4965
H102.16063.40383.41591.09012.16203.89292.87134.89324.31252.49654.9830
H113.40382.16063.89292.16201.09013.41594.89322.87134.98302.49654.3125
H123.40382.16062.16203.89293.41591.09014.89322.87132.49654.98304.3125

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 119.494 C1 C3 H9 120.203
C1 C4 C5 119.494 C1 C4 H10 120.203
C2 C5 C4 119.494 C2 C5 H11 120.203
C2 C6 C3 119.494 C2 C6 H12 120.203
C3 C1 C4 121.012 C3 C1 Cl7 119.494
C3 C6 H12 120.303 C4 C1 Cl7 119.494
C4 C5 H11 120.303 C5 C2 C6 121.012
C5 C2 Cl8 119.494 C5 C4 H10 120.303
C6 C2 Cl8 119.494 C6 C3 H9 120.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 C -0.104      
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 -62.783 0.000 0.000
y 0.000 -52.905 0.000
z 0.000 0.000 -65.236
Traceless
 xyz
x -3.712 0.000 0.000
y 0.000 11.104 0.000
z 0.000 0.000 -7.392
Polar
3z2-r2-14.784
x2-y2-9.878
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.982 0.000 0.000
y 0.000 12.860 0.000
z 0.000 0.000 20.647


<r2> (average value of r2) Å2
<r2> 468.790
(<r2>)1/2 21.652