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All results from a given calculation for C6H4Cl2 (1,2-dichlorobenzene)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-1151.317985
Energy at 298.15K-1151.321989
HF Energy-1151.317985
Nuclear repulsion energy464.857008
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 BLYP/6-31G(2df,p)
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 3138 3120 3.76      
2 A1 3120 3103 10.38      
3 A1 1545 1537 2.50      
4 A1 1437 1429 54.55      
5 A1 1295 1288 0.58      
6 A1 1157 1150 0.41      
7 A1 1100 1094 50.34      
8 A1 1025 1020 8.97      
9 A1 646 643 15.16      
10 A1 460 457 8.73      
11 A1 192 191 0.01      
12 A2 933 928 0.00      
13 A2 844 839 0.00      
14 A2 689 685 0.00      
15 A2 507 504 0.00      
16 A2 132 131 0.00      
17 B1 902 897 1.43      
18 B1 746 742 43.13      
19 B1 435 433 2.24      
20 B1 228 226 0.27      
21 B2 3134 3117 4.67      
22 B2 3106 3089 1.80      
23 B2 1547 1539 6.31      
24 B2 1412 1405 15.61      
25 B2 1237 1230 3.45      
26 B2 1115 1109 1.60      
27 B2 999 994 36.23      
28 B2 718 714 21.95      
29 B2 414 411 1.22      
30 B2 326 324 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 17268.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17173.7 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 BLYP/6-31G(2df,p)
ABC
0.06234 0.04681 0.02674

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.704 -0.026
C2 0.000 -0.704 -0.026
C3 0.000 1.403 1.192
C4 0.000 -1.403 1.192
C5 0.000 0.701 2.404
C6 0.000 -0.701 2.404
Cl7 0.000 1.621 -1.526
Cl8 0.000 -1.621 -1.526
H9 0.000 2.492 1.174
H10 0.000 -2.492 1.174
H11 0.000 1.254 3.345
H12 0.000 -1.254 3.345

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40891.40412.43392.43002.80731.75832.76762.15293.41433.41493.8982
C21.40892.43391.40412.80732.43002.76761.75833.41432.15293.89823.4149
C31.40412.43392.80551.40032.42812.72744.06621.08963.89502.15733.4193
C42.43391.40412.80552.42811.40034.06622.72743.89501.08963.41932.1573
C52.43002.80731.40032.42811.40254.03674.56532.17303.42241.09092.1699
C62.80732.43002.42811.40031.40254.56534.03673.42242.17302.16991.0909
Cl71.75832.76762.72744.06624.03674.56533.24202.83704.92024.88475.6562
Cl82.76761.75834.06622.72744.56534.03673.24204.92022.83705.65624.8847
H92.15293.41431.08963.89502.17303.42242.83704.92024.98442.49914.3301
H103.41432.15293.89501.08963.42242.17304.92022.83704.98444.33012.4991
H113.41493.89822.15733.41931.09092.16994.88475.65622.49914.33012.5086
H123.89823.41493.41932.15732.16991.09095.65624.88474.33012.49912.5086

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 119.824 C1 C2 Cl8 121.418
C1 C3 C5 120.113 C1 C3 H9 118.842
C2 C1 C3 119.824 C2 C1 Cl7 121.418
C2 C4 C6 120.113 C2 C4 H10 118.842
C3 C1 Cl7 118.757 C3 C5 C6 120.063
C3 C5 H11 119.476 C4 C2 Cl8 118.757
C4 C6 C5 120.063 C4 C6 H12 119.476
C5 C3 H9 121.045 C5 C6 H12 120.461
C6 C4 H10 121.045 C6 C5 H11 120.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 C 0.169      
3 C -0.122      
4 C -0.122      
5 C -0.082      
6 C -0.082      
7 Cl -0.158      
8 Cl -0.158      
9 H 0.104      
10 H 0.104      
11 H 0.088      
12 H 0.088      


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 2.597 2.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.154 0.000 0.000
y 0.000 -56.135 0.000
z 0.000 0.000 -54.836
Traceless
 xyz
x -5.669 0.000 0.000
y 0.000 1.860 0.000
z 0.000 0.000 3.808
Polar
3z2-r27.617
x2-y2-5.019
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.879 0.000 0.000
y 0.000 14.865 0.000
z 0.000 0.000 17.534


<r2> (average value of r2) Å2
<r2> 366.982
(<r2>)1/2 19.157