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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-1151.497656
Energy at 298.15K-1151.501875
HF Energy-1151.497656
Nuclear repulsion energy450.199262
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 mPW1PW91/6-311G*
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 3242 3095 0.00      
2 Ag 1654 1579 0.00      
3 Ag 1208 1153 0.00      
4 Ag 1130 1078 0.00      
5 Ag 767 732 0.00      
6 Ag 335 320 0.00      
7 Au 969 925 0.00      
8 Au 422 403 0.00      
9 B1g 828 790 0.00      
10 B1u 3227 3080 2.66      
11 B1u 1528 1458 119.33      
12 B1u 1122 1071 108.84      
13 B1u 1032 985 62.29      
14 B1u 559 534 36.61      
15 B2g 957 914 0.00      
16 B2g 707 675 0.00      
17 B2g 299 285 0.00      
18 B2u 3241 3093 4.38      
19 B2u 1444 1378 6.59      
20 B2u 1341 1279 0.09      
21 B2u 1136 1084 4.88      
22 B2u 224 214 0.55      
23 B3g 3228 3081 0.00      
24 B3g 1646 1571 0.00      
25 B3g 1327 1266 0.00      
26 B3g 642 612 0.00      
27 B3g 361 344 0.00      
28 B3u 829 791 57.68      
29 B3u 499 476 29.23      
30 B3u 103 98 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 18002.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 17181.1 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 mPW1PW91/6-311G*
ABC
0.19066 0.02234 0.02000

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.378
C2 0.000 0.000 -1.378
C3 0.000 1.207 0.694
C4 0.000 -1.207 0.694
C5 0.000 -1.207 -0.694
C6 0.000 1.207 -0.694
Cl7 0.000 0.000 3.117
Cl8 0.000 0.000 -3.117
H9 0.000 2.141 1.240
H10 0.000 -2.141 1.240
H11 0.000 -2.141 -1.240
H12 0.000 2.141 -1.240

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75651.38761.38762.39802.39801.73894.49542.14592.14593.38263.3826
C22.75652.39802.39801.38761.38764.49541.73893.38263.38262.14592.1459
C31.38762.39802.41402.78441.38772.70723.99751.08253.39283.86692.1480
C41.38762.39802.41401.38772.78442.70723.99753.39281.08252.14803.8669
C52.39801.38762.78441.38772.41403.99752.70723.86692.14801.08253.3928
C62.39801.38761.38772.78442.41403.99752.70722.14803.86693.39281.0825
Cl71.73894.49542.70722.70723.99753.99756.23422.84752.84754.85514.8551
Cl84.49541.73893.99753.99752.70722.70726.23424.85514.85512.84752.8475
H92.14593.38261.08253.39283.86692.14802.84754.85514.28294.94932.4805
H102.14593.38263.39281.08252.14803.86692.84754.85514.28292.48054.9493
H113.38262.14593.86692.14801.08253.39284.85512.84754.94932.48054.2829
H123.38262.14592.14803.86693.39281.08254.85512.84752.48054.94934.2829

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 119.554 C1 C3 H9 120.129
C1 C4 C5 119.554 C1 C4 H10 120.129
C2 C5 C4 119.554 C2 C5 H11 120.129
C2 C6 C3 119.554 C2 C6 H12 120.129
C3 C1 C4 120.891 C3 C1 Cl7 119.554
C3 C6 H12 120.316 C4 C1 Cl7 119.554
C4 C5 H11 120.316 C5 C2 C6 120.891
C5 C2 Cl8 119.554 C5 C4 H10 120.316
C6 C2 Cl8 119.554 C6 C3 H9 120.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.190      
2 C -0.190      
3 C -0.117      
4 C -0.117      
5 C -0.117      
6 C -0.117      
7 Cl -0.058      
8 Cl -0.058      
9 H 0.241      
10 H 0.241      
11 H 0.241      
12 H 0.241      


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 -63.218 0.000 0.000
y 0.000 -52.196 0.000
z 0.000 0.000 -65.761
Traceless
 xyz
x -4.240 0.000 0.000
y 0.000 12.293 0.000
z 0.000 0.000 -8.053
Polar
3z2-r2-16.107
x2-y2-11.022
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.062 0.000 0.000
y 0.000 11.733 0.000
z 0.000 0.000 19.544


<r2> (average value of r2) Å2
<r2> 461.885
(<r2>)1/2 21.492