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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-1151.156183
Energy at 298.15K-1151.160396
HF Energy-1151.156183
Nuclear repulsion energy443.064703
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 B3PW91/6-31G
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 3264 3126 0.00      
2 Ag 1642 1573 0.00      
3 Ag 1228 1176 0.00      
4 Ag 1120 1072 0.00      
5 Ag 753 721 0.00      
6 Ag 325 311 0.00      
7 Au 1010 967 0.00      
8 Au 431 413 0.00      
9 B1g 858 822 0.00      
10 B1u 3247 3110 0.51      
11 B1u 1536 1471 104.77      
12 B1u 1117 1070 83.23      
13 B1u 1041 997 94.56      
14 B1u 524 502 41.69      
15 B2g 1004 961 0.00      
16 B2g 731 700 0.00      
17 B2g 300 287 0.00      
18 B2u 3262 3124 1.29      
19 B2u 1442 1381 6.87      
20 B2u 1382 1323 1.24      
21 B2u 1150 1101 5.77      
22 B2u 213 204 1.85      
23 B3g 3248 3111 0.00      
24 B3g 1655 1585 0.00      
25 B3g 1351 1294 0.00      
26 B3g 652 625 0.00      
27 B3g 348 333 0.00      
28 B3u 865 828 75.50      
29 B3u 509 487 24.83      
30 B3u 102 98 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 18153.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17385.8 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 B3PW91/6-31G
ABC
0.18802 0.02148 0.01928

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.375
C2 0.000 0.000 -1.375
C3 0.000 1.216 0.699
C4 0.000 -1.216 0.699
C5 0.000 -1.216 -0.699
C6 0.000 1.216 -0.699
Cl7 0.000 0.000 3.186
Cl8 0.000 0.000 -3.186
H9 0.000 2.150 1.248
H10 0.000 -2.150 1.248
H11 0.000 -2.150 -1.248
H12 0.000 2.150 -1.248

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75091.39181.39182.40482.40481.81004.56102.15422.15423.39183.3918
C22.75092.40482.40481.39181.39184.56101.81003.39183.39182.15422.1542
C31.39182.40482.43272.80581.39802.76804.07051.08323.41113.88902.1591
C41.39182.40482.43271.39802.80582.76804.07053.41111.08322.15913.8890
C52.40481.39182.80581.39802.43274.07052.76803.88902.15911.08323.4111
C62.40481.39181.39802.80582.43274.07052.76802.15913.88903.41111.0832
Cl71.81004.56102.76802.76804.07054.07056.37102.89482.89484.92714.9271
Cl84.56101.81004.07054.07052.76802.76806.37104.92714.92712.89482.8948
H92.15423.39181.08323.41113.88902.15912.89484.92714.30084.97212.4951
H102.15423.39183.41111.08322.15913.88902.89484.92714.30082.49514.9721
H113.39182.15423.88902.15911.08323.41114.92712.89484.97212.49514.3008
H123.39182.15422.15913.88903.41111.08324.92712.89482.49514.97214.3008

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 119.080 C1 C3 H9 120.497
C1 C4 C5 119.080 C1 C4 H10 120.497
C2 C5 C4 119.080 C2 C5 H11 120.497
C2 C6 C3 119.080 C2 C6 H12 120.497
C3 C1 C4 121.840 C3 C1 Cl7 119.080
C3 C6 H12 120.423 C4 C1 Cl7 119.080
C4 C5 H11 120.423 C5 C2 C6 121.840
C5 C2 Cl8 119.080 C5 C4 H10 120.423
C6 C2 Cl8 119.080 C6 C3 H9 120.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 C -0.277      
3 C -0.120      
4 C -0.120      
5 C -0.120      
6 C -0.120      
7 Cl 0.109      
8 Cl 0.109      
9 H 0.204      
10 H 0.204      
11 H 0.204      
12 H 0.204      


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 -62.446 0.000 0.000
y 0.000 -51.292 0.000
z 0.000 0.000 -68.960
Traceless
 xyz
x -2.319 0.000 0.000
y 0.000 14.411 0.000
z 0.000 0.000 -12.091
Polar
3z2-r2-24.183
x2-y2-11.153
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.706 0.000 0.000
y 0.000 10.927 0.000
z 0.000 0.000 18.683


<r2> (average value of r2) Å2
<r2> 477.710
(<r2>)1/2 21.857