return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-1151.595854
Energy at 298.15K-1151.600079
HF Energy-1151.595854
Nuclear repulsion energy449.069650
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 B3LYPultrafine/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 3211 3104 0.00      
2 Ag 1617 1563 0.00      
3 Ag 1199 1159 0.00      
4 Ag 1103 1067 0.00      
5 Ag 756 731 0.00      
6 Ag 329 318 0.00      
7 Au 985 952 0.00      
8 Au 424 410 0.00      
9 B1g 836 808 0.00      
10 B1u 3196 3090 1.32      
11 B1u 1512 1462 100.57      
12 B1u 1103 1066 105.46      
13 B1u 1033 999 49.09      
14 B1u 542 524 37.04      
15 B2g 974 941 0.00      
16 B2g 719 696 0.00      
17 B2g 297 287 0.00      
18 B2u 3209 3102 1.61      
19 B2u 1425 1377 6.47      
20 B2u 1306 1262 0.16      
21 B2u 1127 1089 5.93      
22 B2u 219 212 0.92      
23 B3g 3197 3091 0.00      
24 B3g 1613 1559 0.00      
25 B3g 1324 1280 0.00      
26 B3g 643 622 0.00      
27 B3g 354 343 0.00      
28 B3u 848 820 52.00      
29 B3u 500 483 16.84      
30 B3u 102 98 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 17851.1 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 17256.6 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 B3LYPultrafine/cc-pVTZ
ABC
0.19050 0.02219 0.01988

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/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 1.208 0.694
C4 0.000 -1.208 0.694
C5 0.000 -1.208 -0.694
C6 0.000 1.208 -0.694
Cl7 0.000 0.000 3.129
Cl8 0.000 0.000 -3.129
H9 0.000 2.140 1.240
H10 0.000 -2.140 1.240
H11 0.000 -2.140 -1.240
H12 0.000 2.140 -1.240

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75711.38811.38812.39922.39921.75044.50742.14452.14453.38173.3817
C22.75712.39922.39921.38811.38814.50741.75043.38173.38172.14452.1445
C31.38812.39922.41572.78651.38902.71764.00961.08003.39203.86652.1473
C41.38812.39922.41571.38902.78652.71764.00963.39201.08002.14733.8665
C52.39921.38812.78651.38902.41574.00962.71763.86652.14731.08003.3920
C62.39921.38811.38902.78652.41574.00962.71762.14733.86653.39201.0800
Cl71.75044.50742.71762.71764.00964.00966.25782.85442.85444.86484.8648
Cl84.50741.75044.00964.00962.71762.71766.25784.86484.86482.85442.8544
H92.14453.38171.08003.39203.86652.14732.85444.86484.28004.94652.4799
H102.14453.38173.39201.08002.14733.86652.85444.86484.28002.47994.9465
H113.38172.14453.86652.14731.08003.39204.86482.85444.94652.47994.2800
H123.38172.14452.14733.86653.39201.08004.86482.85442.47994.94654.2800

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 119.524 C1 C3 H9 120.141
C1 C4 C5 119.524 C1 C4 H10 120.141
C2 C5 C4 119.524 C2 C5 H11 120.141
C2 C6 C3 119.524 C2 C6 H12 120.141
C3 C1 C4 120.951 C3 C1 Cl7 119.524
C3 C6 H12 120.334 C4 C1 Cl7 119.524
C4 C5 H11 120.334 C5 C2 C6 120.951
C5 C2 Cl8 119.524 C5 C4 H10 120.334
C6 C2 Cl8 119.524 C6 C3 H9 120.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.066      
2 C 0.066      
3 C -0.102      
4 C -0.102      
5 C -0.102      
6 C -0.102      
7 Cl -0.118      
8 Cl -0.118      
9 H 0.128      
10 H 0.128      
11 H 0.128      
12 H 0.128      


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 -62.364 0.000 0.000
y 0.000 -53.142 0.000
z 0.000 0.000 -65.955
Traceless
 xyz
x -2.816 0.000 0.000
y 0.000 11.017 0.000
z 0.000 0.000 -8.202
Polar
3z2-r2-16.403
x2-y2-9.222
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.755 0.000 0.000
y 0.000 12.904 0.000
z 0.000 0.000 20.531


<r2> (average value of r2) Å2
<r2> 464.504
(<r2>)1/2 21.552