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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-1150.887324
Energy at 298.15K-1150.891392
HF Energy-1150.887324
Nuclear repulsion energy468.693834
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 PBEPBE/Def2TZVPP
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 3141 3103 3.42      
2 A1 3126 3088 5.97      
3 A1 1566 1547 3.70      
4 A1 1444 1427 61.05      
5 A1 1324 1308 2.07      
6 A1 1148 1134 1.86      
7 A1 1115 1102 49.61      
8 A1 1034 1022 9.20      
9 A1 654 646 14.44      
10 A1 472 466 6.45      
11 A1 194 191 0.03      
12 A2 949 938 0.00      
13 A2 843 833 0.00      
14 A2 702 693 0.00      
15 A2 512 506 0.00      
16 A2 132 131 0.00      
17 B1 924 913 1.71      
18 B1 737 728 60.07      
19 B1 435 430 4.87      
20 B1 228 225 1.17      
21 B2 3137 3099 2.93      
22 B2 3114 3076 1.02      
23 B2 1572 1553 7.64      
24 B2 1419 1402 16.97      
25 B2 1235 1220 3.47      
26 B2 1119 1106 0.65      
27 B2 1016 1004 33.75      
28 B2 733 724 18.80      
29 B2 422 416 0.61      
30 B2 329 325 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 17387.1 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 17176.8 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 PBEPBE/Def2TZVPP
ABC
0.06375 0.04747 0.02721

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.701 -0.031
C2 0.000 -0.701 -0.031
C3 0.000 1.396 1.183
C4 0.000 -1.396 1.183
C5 0.000 0.699 2.391
C6 0.000 -0.699 2.391
Cl7 0.000 1.601 -1.515
Cl8 0.000 -1.601 -1.515
H9 0.000 2.485 1.165
H10 0.000 -2.485 1.165
H11 0.000 1.252 3.330
H12 0.000 -1.252 3.330

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40191.39932.42322.42212.79761.73542.73872.14823.40333.40653.8876
C21.40192.42321.39932.79762.42212.73871.73543.40332.14823.88763.4065
C31.39932.42322.79201.39432.41822.70594.03271.08923.88112.15213.4089
C42.42321.39932.79202.41821.39434.03272.70593.88111.08923.40892.1521
C52.42212.79761.39432.41821.39834.00854.53272.16593.41191.09002.1653
C62.79762.42212.41821.39431.39834.53274.00853.41192.16592.16531.0900
Cl71.73542.73872.70594.03274.00854.53273.20222.82224.88674.85795.6228
Cl82.73871.73544.03272.70594.53274.00853.20224.88672.82225.62284.8579
H92.14823.40331.08923.88112.16593.41192.82224.88674.97012.49184.3186
H103.40332.14823.88111.08923.41192.16594.88672.82224.97014.31862.4918
H113.40653.88762.15213.40891.09002.16534.85795.62282.49184.31862.5033
H123.88763.40653.40892.15212.16531.09005.62284.85794.31862.49182.5033

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 119.783 C1 C2 Cl8 121.248
C1 C3 C5 120.229 C1 C3 H9 118.841
C2 C1 C3 119.783 C2 C1 Cl7 121.248
C2 C4 C6 120.229 C2 C4 H10 118.841
C3 C1 Cl7 118.969 C3 C5 C6 119.988
C3 C5 H11 119.555 C4 C2 Cl8 118.969
C4 C6 C5 119.988 C4 C6 H12 119.555
C5 C3 H9 120.930 C5 C6 H12 120.457
C6 C4 H10 120.930 C6 C5 H11 120.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.088      
2 C 0.088      
3 C -0.126      
4 C -0.126      
5 C -0.108      
6 C -0.108      
7 Cl -0.079      
8 Cl -0.079      
9 H 0.109      
10 H 0.109      
11 H 0.116      
12 H 0.116      


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 2.217 2.217
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.277 0.000 0.000
y 0.000 -56.075 0.000
z 0.000 0.000 -54.902
Traceless
 xyz
x -6.789 0.000 0.000
y 0.000 2.515 0.000
z 0.000 0.000 4.274
Polar
3z2-r28.549
x2-y2-6.203
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.628 0.000 0.000
y 0.000 15.677 0.000
z 0.000 0.000 18.417


<r2> (average value of r2) Å2
<r2> 361.643
(<r2>)1/2 19.017