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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1135.897468
Energy at 298.15K-1135.901776
HF Energy-1135.897468
Nuclear repulsion energy446.500783
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/STO-3G
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 3751 3062 0.00      
2 Ag 1912 1561 0.00      
3 Ag 1354 1105 0.00      
4 Ag 1332 1088 0.00      
5 Ag 876 715 0.00      
6 Ag 369 301 0.00      
7 Au 1178 962 0.00      
8 Au 476 389 0.00      
9 B1g 1007 822 0.00      
10 B1u 3728 3044 18.36      
11 B1u 1767 1443 111.06      
12 B1u 1313 1072 113.12      
13 B1u 1165 951 27.95      
14 B1u 635 518 18.11      
15 B2g 1151 940 0.00      
16 B2g 830 678 0.00      
17 B2g 340 277 0.00      
18 B2u 3748 3060 61.51      
19 B2u 1643 1342 10.14      
20 B2u 1287 1051 0.33      
21 B2u 1146 936 2.27      
22 B2u 232 189 5.39      
23 B3g 3736 3051 0.00      
24 B3g 1883 1537 0.00      
25 B3g 1502 1227 0.00      
26 B3g 719 587 0.00      
27 B3g 374 305 0.00      
28 B3u 985 804 33.91      
29 B3u 563 460 1.06      
30 B3u 118 96 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 20558.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 16786.0 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/STO-3G
ABC
0.18926 0.02189 0.01962

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.373
C2 0.000 0.000 -1.373
C3 0.000 1.212 0.693
C4 0.000 -1.212 0.693
C5 0.000 -1.212 -0.693
C6 0.000 1.212 -0.693
Cl7 0.000 0.000 3.153
Cl8 0.000 0.000 -3.153
H9 0.000 2.145 1.242
H10 0.000 -2.145 1.242
H11 0.000 -2.145 -1.242
H12 0.000 2.145 -1.242

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.74581.38961.38962.39552.39551.78044.52622.14932.14933.38263.3826
C22.74582.39552.39551.38961.38964.52621.78043.38263.38262.14932.1493
C31.38962.39552.42422.79271.38662.74244.03301.08283.40203.87542.1489
C41.38962.39552.42421.38662.79272.74244.03303.40201.08282.14893.8754
C52.39551.38962.79271.38662.42424.03302.74243.87542.14891.08283.4020
C62.39551.38961.38662.79272.42424.03302.74242.14893.87543.40201.0828
Cl71.78044.52622.74242.74244.03304.03306.30662.87292.87294.89134.8913
Cl84.52621.78044.03304.03302.74242.74246.30664.89134.89132.87292.8729
H92.14933.38261.08283.40203.87542.14892.87294.89134.29064.95822.4849
H102.14933.38263.40201.08282.14893.87542.87294.89134.29062.48494.9582
H113.38262.14933.87542.14891.08283.40204.89132.87294.95822.48494.2906
H123.38262.14932.14893.87543.40201.08284.89132.87292.48494.95824.2906

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 119.279 C1 C3 H9 120.246
C1 C4 C5 119.279 C1 C4 H10 120.246
C2 C5 C4 119.279 C2 C5 H11 120.246
C2 C6 C3 119.279 C2 C6 H12 120.246
C3 C1 C4 121.441 C3 C1 Cl7 119.279
C3 C6 H12 120.475 C4 C1 Cl7 119.279
C4 C5 H11 120.475 C5 C2 C6 121.441
C5 C2 Cl8 119.279 C5 C4 H10 120.475
C6 C2 Cl8 119.279 C6 C3 H9 120.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.050      
2 C 0.050      
3 C -0.048      
4 C -0.048      
5 C -0.048      
6 C -0.048      
7 Cl -0.143      
8 Cl -0.143      
9 H 0.094      
10 H 0.094      
11 H 0.094      
12 H 0.094      


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 -56.689 0.000 0.000
y 0.000 -50.259 0.000
z 0.000 0.000 -71.039
Traceless
 xyz
x 3.960 0.000 0.000
y 0.000 13.605 0.000
z 0.000 0.000 -17.565
Polar
3z2-r2-35.130
x2-y2-6.430
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.953 0.000 0.000
y 0.000 6.781 0.000
z 0.000 0.000 11.660


<r2> (average value of r2) Å2
<r2> 469.123
(<r2>)1/2 21.659