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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-1151.480289
Energy at 298.15K-1151.484575
HF Energy-1151.480289
Nuclear repulsion energy470.174635
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 B1B95/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 A1 3252 3126 3.16      
2 A1 3236 3111 5.03      
3 A1 1651 1587 5.09      
4 A1 1501 1443 68.47      
5 A1 1366 1313 1.75      
6 A1 1177 1131 25.50      
7 A1 1164 1119 22.43      
8 A1 1071 1030 6.46      
9 A1 670 644 16.94      
10 A1 488 469 6.25      
11 A1 213 205 0.01      
12 A2 1005 966 0.00      
13 A2 878 844 0.00      
14 A2 719 691 0.00      
15 A2 527 506 0.00      
16 A2 138 133 0.00      
17 B1 968 931 1.25      
18 B1 768 738 50.69      
19 B1 449 431 4.89      
20 B1 237 228 0.98      
21 B2 3247 3121 2.03      
22 B2 3223 3098 0.90      
23 B2 1662 1597 8.13      
24 B2 1467 1410 18.11      
25 B2 1267 1217 2.58      
26 B2 1153 1108 1.06      
27 B2 1043 1002 37.00      
28 B2 752 723 18.40      
29 B2 433 417 0.49      
30 B2 338 325 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 18030.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17331.0 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 B1B95/cc-pVDZ
ABC
0.06407 0.04780 0.02738

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.698 -0.030
C2 0.000 -0.698 -0.030
C3 0.000 1.389 1.179
C4 0.000 -1.389 1.179
C5 0.000 0.695 2.381
C6 0.000 -0.695 2.381
Cl7 0.000 1.595 -1.509
Cl8 0.000 -1.595 -1.509
H9 0.000 2.476 1.158
H10 0.000 -2.476 1.158
H11 0.000 1.247 3.319
H12 0.000 -1.247 3.319

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39701.39182.41192.41072.78461.72992.72942.13853.39003.39373.8733
C21.39702.41191.39182.78462.41072.72941.72993.39002.13853.87333.3937
C31.39182.41192.77761.38792.40602.69574.01611.08783.86532.14523.3958
C42.41191.39182.77762.40601.38794.01612.69573.86531.08783.39582.1452
C52.41072.78461.38792.40601.39073.99274.51432.16033.39921.08872.1575
C62.78462.41072.40601.38791.39074.51433.99273.39922.16032.15751.0887
Cl71.72992.72942.69574.01613.99274.51433.19062.80934.86774.84085.6030
Cl82.72941.72994.01612.69574.51433.99273.19064.86772.80935.60304.8408
H92.13853.39001.08783.86532.16033.39922.80934.86774.95292.48584.3054
H103.39002.13853.86531.08783.39922.16034.86772.80934.95294.30542.4858
H113.39373.87332.14523.39581.08872.15754.84085.60302.48584.30542.4950
H123.87333.39373.39582.14522.15751.08875.60304.84084.30542.48582.4950

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 119.735 C1 C2 Cl8 121.227
C1 C3 C5 120.286 C1 C3 H9 118.670
C2 C1 C3 119.735 C2 C1 Cl7 121.227
C2 C4 C6 120.286 C2 C4 H10 118.670
C3 C1 Cl7 119.038 C3 C5 C6 119.978
C3 C5 H11 119.547 C4 C2 Cl8 119.038
C4 C6 C5 119.978 C4 C6 H12 119.547
C5 C3 H9 121.044 C5 C6 H12 120.475
C6 C4 H10 121.044 C6 C5 H11 120.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.106      
2 C -0.106      
3 C 0.114      
4 C 0.114      
5 C 0.020      
6 C 0.020      
7 Cl -0.041      
8 Cl -0.041      
9 H 0.009      
10 H 0.009      
11 H 0.004      
12 H 0.004      


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 2.468 2.468
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.886 0.000 0.000
y 0.000 -55.243 0.000
z 0.000 0.000 -54.081
Traceless
 xyz
x -7.225 0.000 0.000
y 0.000 2.741 0.000
z 0.000 0.000 4.484
Polar
3z2-r28.968
x2-y2-6.643
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.774 0.000 0.000
y 0.000 13.834 0.000
z 0.000 0.000 16.456


<r2> (average value of r2) Å2
<r2> 359.206
(<r2>)1/2 18.953