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

using model chemistry: B2PLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1151.104591
Energy at 298.15K-1151.108820
HF Energy-1150.671098
Nuclear repulsion energy449.496251
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/cc-pVTZ
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 3233 3102 0.00      
2 Ag 1621 1555 0.00      
3 Ag 1200 1151 0.00      
4 Ag 1112 1067 0.00      
5 Ag 759 728 0.00      
6 Ag 331 317 0.00      
7 Au 979 940 0.00      
8 Au 422 405 0.00      
9 B1g 836 803 0.00      
10 B1u 3218 3087 0.98      
11 B1u 1514 1452 99.31      
12 B1u 1112 1067 104.33      
13 B1u 1033 991 44.79      
14 B1u 550 528 31.89      
15 B2g 963 924 0.00      
16 B2g 711 682 0.00      
17 B2g 298 286 0.00      
18 B2u 3232 3100 1.12      
19 B2u 1426 1368 6.52      
20 B2u 1334 1280 0.00      
21 B2u 1126 1080 5.83      
22 B2u 220 211 0.91      
23 B3g 3219 3088 0.00      
24 B3g 1617 1552 0.00      
25 B3g 1324 1270 0.00      
26 B3g 640 614 0.00      
27 B3g 354 339 0.00      
28 B3u 844 810 53.13      
29 B3u 499 478 16.95      
30 B3u 102 98 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 17914.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17186.8 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 B2PLYP/cc-pVTZ
ABC
0.19024 0.02226 0.01993

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.379
C2 0.000 0.000 -1.379
C3 0.000 1.209 0.695
C4 0.000 -1.209 0.695
C5 0.000 -1.209 -0.695
C6 0.000 1.209 -0.695
Cl7 0.000 0.000 3.123
Cl8 0.000 0.000 -3.123
H9 0.000 2.140 1.241
H10 0.000 -2.140 1.241
H11 0.000 -2.140 -1.241
H12 0.000 2.140 -1.241

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75891.38921.38922.40102.40101.74374.50272.14432.14433.38303.3830
C22.75892.40102.40101.38921.38924.50271.74373.38303.38302.14432.1443
C31.38922.40102.41792.78901.39002.71254.00501.07913.39303.86802.1480
C41.38922.40102.41791.39002.78902.71254.00503.39301.07912.14803.8680
C52.40101.38922.78901.39002.41794.00502.71253.86802.14801.07913.3930
C62.40101.38921.39002.78902.41794.00502.71252.14803.86803.39301.0791
Cl71.74374.50272.71252.71254.00504.00506.24642.85002.85004.86044.8604
Cl84.50271.74374.00504.00502.71252.71256.24644.86044.86042.85002.8500
H92.14433.38301.07913.39303.86802.14802.85004.86044.27974.94712.4816
H102.14433.38303.39301.07912.14803.86802.85004.86044.27972.48164.9471
H113.38302.14433.86802.14801.07913.39304.86042.85004.94712.48164.2797
H123.38302.14432.14803.86803.39301.07914.86042.85002.48164.94714.2797

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 119.516 C1 C3 H9 120.099
C1 C4 C5 119.516 C1 C4 H10 120.099
C2 C5 C4 119.516 C2 C5 H11 120.099
C2 C6 C3 119.516 C2 C6 H12 120.099
C3 C1 C4 120.967 C3 C1 Cl7 119.516
C3 C6 H12 120.384 C4 C1 Cl7 119.516
C4 C5 H11 120.384 C5 C2 C6 120.967
C5 C2 Cl8 119.516 C5 C4 H10 120.384
C6 C2 Cl8 119.516 C6 C3 H9 120.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 C 0.074      
3 C -0.126      
4 C -0.126      
5 C -0.126      
6 C -0.126      
7 Cl -0.117      
8 Cl -0.117      
9 H 0.147      
10 H 0.147      
11 H 0.147      
12 H 0.147      


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 -62.605 0.000 0.000
y 0.000 -53.242 0.000
z 0.000 0.000 -65.768
Traceless
 xyz
x -3.101 0.000 0.000
y 0.000 10.945 0.000
z 0.000 0.000 -7.845
Polar
3z2-r2-15.689
x2-y2-9.364
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.718 0.000 0.000
y 0.000 12.818 0.000
z 0.000 0.000 20.193


<r2> (average value of r2) Å2
<r2> 463.438
(<r2>)1/2 21.528