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All results from a given calculation for C6H4Cl2 (1,2-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 C2V 1A1
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1135.893130
Energy at 298.15K-1135.897469
HF Energy-1135.893130
Nuclear repulsion energy466.227146
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 A1 3751 3063 11.41      
2 A1 3736 3050 6.07      
3 A1 1890 1544 0.64      
4 A1 1747 1427 62.32      
5 A1 1372 1120 28.79      
6 A1 1362 1112 0.29      
7 A1 1213 990 0.11      
8 A1 1143 933 1.33      
9 A1 766 625 13.28      
10 A1 544 444 6.23      
11 A1 206 168 0.47      
12 A2 1201 981 0.00      
13 A2 1053 860 0.00      
14 A2 836 683 0.00      
15 A2 588 480 0.00      
16 A2 160 131 0.00      
17 B1 1159 946 1.80      
18 B1 908 742 27.25      
19 B1 509 415 0.10      
20 B1 265 217 1.01      
21 B2 3743 3056 41.16      
22 B2 3721 3038 1.61      
23 B2 1907 1557 3.04      
24 B2 1706 1393 26.60      
25 B2 1464 1195 3.68      
26 B2 1324 1081 12.28      
27 B2 1214 991 27.61      
28 B2 871 711 10.85      
29 B2 473 386 2.28      
30 B2 365 298 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 20597.6 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 16817.9 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
0.06292 0.04690 0.02687

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.698 -0.009
C2 0.000 -0.698 -0.009
C3 0.000 1.392 1.196
C4 0.000 -1.392 1.196
C5 0.000 0.694 2.393
C6 0.000 -0.694 2.393
Cl7 0.000 1.617 -1.529
Cl8 0.000 -1.617 -1.529
H9 0.000 2.475 1.184
H10 0.000 -2.475 1.184
H11 0.000 1.238 3.329
H12 0.000 -1.238 3.329

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39521.39052.41192.40222.77601.77622.76872.14043.38923.38163.8588
C21.39522.41191.39052.77602.40222.76871.77623.38922.14043.85883.3816
C31.39052.41192.78371.38602.40492.73404.05891.08283.86652.13883.3866
C42.41191.39052.78372.40491.38604.05892.73403.86651.08283.38662.1388
C52.40222.77601.38602.40491.38764.02924.55202.15253.39121.08282.1469
C62.77602.40222.40491.38601.38764.55204.02923.39122.15252.14691.0828
Cl71.77622.76872.73404.05894.02924.55203.23332.84554.90914.87275.6348
Cl82.76871.77624.05892.73404.55204.02923.23334.90912.84555.63484.8727
H92.14043.38921.08283.86652.15253.39122.84554.90914.94922.47574.2880
H103.38922.14043.86651.08283.39122.15254.90912.84554.94924.28802.4757
H113.38163.85882.13883.38661.08282.14694.87275.63482.47574.28802.4767
H123.85883.38163.38662.13882.14691.08285.63484.87274.28802.47572.4767

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.953 C1 C2 Cl8 121.159
C1 C3 C5 119.806 C1 C3 H9 119.337
C2 C1 C3 119.953 C2 C1 Cl7 121.159
C2 C4 C6 119.806 C2 C4 H10 119.337
C3 C1 Cl7 118.887 C3 C5 C6 120.241
C3 C5 H11 119.567 C4 C2 Cl8 118.887
C4 C6 C5 120.241 C4 C6 H12 119.567
C5 C3 H9 120.857 C5 C6 H12 120.193
C6 C4 H10 120.857 C6 C5 H11 120.193
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 0.049      
2 C 0.049      
3 C -0.048      
4 C -0.048      
5 C -0.051      
6 C -0.051      
7 Cl -0.123      
8 Cl -0.123      
9 H 0.092      
10 H 0.092      
11 H 0.081      
12 H 0.081      


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 4.049 4.049
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.681 0.000 0.000
y 0.000 -55.545 0.000
z 0.000 0.000 -55.333
Traceless
 xyz
x -1.242 0.000 0.000
y 0.000 0.462 0.000
z 0.000 0.000 0.780
Polar
3z2-r21.560
x2-y2-1.136
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.957 0.000 0.000
y 0.000 8.158 0.000
z 0.000 0.000 10.023


<r2> (average value of r2) Å2
<r2> 364.258
(<r2>)1/2 19.086