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

using model chemistry: B2PLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-1150.874400
Energy at 298.15K-1150.878540
HF Energy-1150.527153
Nuclear repulsion energy448.110885
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 B2PLYP/6-31G**
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 3262 3262 0.00      
2 Ag 1646 1646 0.00      
3 Ag 1212 1212 0.00      
4 Ag 1124 1124 0.00      
5 Ag 764 764 0.00      
6 Ag 332 332 0.00      
7 Au 949 949 0.00      
8 Au 417 417 0.00      
9 B1g 828 828 0.00      
10 B1u 3247 3247 1.36      
11 B1u 1530 1530 100.34      
12 B1u 1124 1124 102.16      
13 B1u 1029 1029 57.56      
14 B1u 553 553 32.49      
15 B2g 925 925 0.00      
16 B2g 648 648 0.00      
17 B2g 297 297 0.00      
18 B2u 3261 3261 2.04      
19 B2u 1443 1443 5.63      
20 B2u 1355 1355 0.01      
21 B2u 1138 1138 4.29      
22 B2u 223 223 1.12      
23 B3g 3249 3249 0.00      
24 B3g 1636 1636 0.00      
25 B3g 1330 1330 0.00      
26 B3g 642 642 0.00      
27 B3g 358 358 0.00      
28 B3u 820 820 52.29      
29 B3u 489 489 12.00      
30 B3u 103 103 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 17966.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17966.2 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 B2PLYP/6-31G**
ABC
0.18896 0.02213 0.01981

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.384
C2 0.000 0.000 -1.384
C3 0.000 1.213 0.697
C4 0.000 -1.213 0.697
C5 0.000 -1.213 -0.697
C6 0.000 1.213 -0.697
Cl7 0.000 0.000 3.133
Cl8 0.000 0.000 -3.133
H9 0.000 2.147 1.244
H10 0.000 -2.147 1.244
H11 0.000 -2.147 -1.244
H12 0.000 2.147 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76771.39401.39402.40862.40861.74874.51642.15142.15143.39303.3930
C22.76772.40862.40861.39401.39404.51641.74873.39303.39302.15142.1514
C31.39402.40862.42612.79811.39402.72104.01711.08203.40403.88012.1536
C41.39402.40862.42611.39402.79812.72104.01713.40401.08202.15363.8801
C52.40861.39402.79811.39402.42614.01712.72103.88012.15361.08203.4040
C62.40861.39401.39402.79812.42614.01712.72102.15363.88013.40401.0820
Cl71.74874.51642.72102.72104.01714.01716.26522.85952.85954.87454.8745
Cl84.51641.74874.01714.01712.72102.72106.26524.87454.87452.85952.8595
H92.15143.39301.08203.40403.88012.15362.85954.87454.29364.96202.4874
H102.15143.39303.40401.08202.15363.88012.85954.87454.29362.48744.9620
H113.39302.15143.88012.15361.08203.40404.87452.85954.96202.48744.2936
H123.39302.15142.15363.88013.40401.08204.87452.85952.48744.96204.2936

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 119.519 C1 C3 H9 120.132
C1 C4 C5 119.519 C1 C4 H10 120.132
C2 C5 C4 119.519 C2 C5 H11 120.132
C2 C6 C3 119.519 C2 C6 H12 120.132
C3 C1 C4 120.962 C3 C1 Cl7 119.519
C3 C6 H12 120.349 C4 C1 Cl7 119.519
C4 C5 H11 120.349 C5 C2 C6 120.962
C5 C2 Cl8 119.519 C5 C4 H10 120.349
C6 C2 Cl8 119.519 C6 C3 H9 120.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 C -0.111      
3 C -0.078      
4 C -0.078      
5 C -0.078      
6 C -0.078      
7 Cl -0.003      
8 Cl -0.003      
9 H 0.136      
10 H 0.136      
11 H 0.136      
12 H 0.136      


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 -62.031 0.000 0.000
y 0.000 -52.490 0.000
z 0.000 0.000 -65.837
Traceless
 xyz
x -2.868 0.000 0.000
y 0.000 11.444 0.000
z 0.000 0.000 -8.577
Polar
3z2-r2-17.153
x2-y2-9.541
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.513 0.000 0.000
y 0.000 11.413 0.000
z 0.000 0.000 18.493


<r2> (average value of r2) Å2
<r2> 465.774
(<r2>)1/2 21.582