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

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-1148.561324
Energy at 298.15K-1148.565944
HF Energy-1148.561324
Nuclear repulsion energy450.126958
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 HF/cc-pVDZ
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 3392 3080 0.00      
2 Ag 1781 1617 0.00      
3 Ag 1275 1157 0.00      
4 Ag 1195 1086 0.00      
5 Ag 808 733 0.00      
6 Ag 353 321 0.00      
7 Au 1087 987 0.00      
8 Au 457 415 0.00      
9 B1g 923 838 0.00      
10 B1u 3375 3064 1.55      
11 B1u 1634 1484 122.28      
12 B1u 1195 1085 107.57      
13 B1u 1098 997 52.12      
14 B1u 584 531 37.23      
15 B2g 1064 966 0.00      
16 B2g 769 698 0.00      
17 B2g 325 295 0.00      
18 B2u 3391 3079 2.38      
19 B2u 1531 1390 9.60      
20 B2u 1259 1144 2.59      
21 B2u 1177 1069 2.04      
22 B2u 236 214 1.31      
23 B3g 3376 3066 0.00      
24 B3g 1765 1603 0.00      
25 B3g 1410 1281 0.00      
26 B3g 687 624 0.00      
27 B3g 381 346 0.00      
28 B3u 927 842 55.82      
29 B3u 543 493 19.92      
30 B3u 112 102 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 19056.4 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 17303.2 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 HF/cc-pVDZ
ABC
0.19130 0.02230 0.01998

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.376
C2 0.000 0.000 -1.376
C3 0.000 1.205 0.693
C4 0.000 -1.205 0.693
C5 0.000 -1.205 -0.693
C6 0.000 1.205 -0.693
Cl7 0.000 0.000 3.121
Cl8 0.000 0.000 -3.121
H9 0.000 2.137 1.238
H10 0.000 -2.137 1.238
H11 0.000 -2.137 -1.238
H12 0.000 2.137 -1.238

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75121.38481.38482.39432.39431.74524.49642.14162.14163.37633.3763
C22.75122.39432.39431.38481.38484.49641.74523.37633.37632.14162.1416
C31.38482.39432.41022.78061.38672.71014.00001.07973.38643.86032.1447
C41.38482.39432.41021.38672.78062.71014.00003.38641.07972.14473.8603
C52.39431.38482.78061.38672.41024.00002.71013.86032.14471.07973.3864
C62.39431.38481.38672.78062.41024.00002.71012.14473.86033.38641.0797
Cl71.74524.49642.71012.71014.00004.00006.24162.84812.84814.85474.8547
Cl84.49641.74524.00004.00002.71012.71016.24164.85474.85472.84812.8481
H92.14163.37631.07973.38643.86032.14472.84814.85474.27444.93992.4763
H102.14163.37633.38641.07972.14473.86032.84814.85474.27442.47634.9399
H113.37632.14163.86032.14471.07973.38644.85472.84814.93992.47634.2744
H123.37632.14162.14473.86033.38641.07974.85472.84812.47634.93994.2744

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 120.181
C1 C4 C5 119.515 C1 C4 H10 120.181
C2 C5 C4 119.515 C2 C5 H11 120.181
C2 C6 C3 119.515 C2 C6 H12 120.181
C3 C1 C4 120.970 C3 C1 Cl7 119.515
C3 C6 H12 120.304 C4 C1 Cl7 119.515
C4 C5 H11 120.304 C5 C2 C6 120.970
C5 C2 Cl8 119.515 C5 C4 H10 120.304
C6 C2 Cl8 119.515 C6 C3 H9 120.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 C -0.196      
3 C 0.098      
4 C 0.098      
5 C 0.098      
6 C 0.098      
7 Cl -0.094      
8 Cl -0.094      
9 H 0.047      
10 H 0.047      
11 H 0.047      
12 H 0.047      


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 -63.488 0.000 0.000
y 0.000 -52.571 0.000
z 0.000 0.000 -67.294
Traceless
 xyz
x -3.556 0.000 0.000
y 0.000 12.820 0.000
z 0.000 0.000 -9.264
Polar
3z2-r2-18.529
x2-y2-10.917
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.748 0.000 0.000
y 0.000 11.377 0.000
z 0.000 0.000 17.820


<r2> (average value of r2) Å2
<r2> 462.809
(<r2>)1/2 21.513