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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-1151.519315
Energy at 298.15K-1151.523507
HF Energy-1151.519315
Nuclear repulsion energy450.974451
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 B1B95/6-311G*
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 3243 3108 0.00      
2 Ag 1656 1587 0.00      
3 Ag 1205 1155 0.00      
4 Ag 1132 1085 0.00      
5 Ag 762 730 0.00      
6 Ag 333 319 0.00      
7 Au 967 927 0.00      
8 Au 419 402 0.00      
9 B1g 826 792 0.00      
10 B1u 3227 3094 2.81      
11 B1u 1525 1462 117.72      
12 B1u 1120 1074 109.91      
13 B1u 1026 983 64.25      
14 B1u 559 536 36.42      
15 B2g 956 916 0.00      
16 B2g 703 674 0.00      
17 B2g 298 286 0.00      
18 B2u 3241 3107 4.51      
19 B2u 1444 1384 6.42      
20 B2u 1343 1287 0.10      
21 B2u 1134 1087 4.73      
22 B2u 224 214 0.60      
23 B3g 3228 3095 0.00      
24 B3g 1650 1582 0.00      
25 B3g 1324 1269 0.00      
26 B3g 634 608 0.00      
27 B3g 353 339 0.00      
28 B3u 827 793 56.49      
29 B3u 495 475 27.64      
30 B3u 103 99 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 17978.0 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 17233.7 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 B1B95/6-311G*
ABC
0.19130 0.02242 0.02007

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

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 1.205 0.693
C4 0.000 -1.205 0.693
C5 0.000 -1.205 -0.693
C6 0.000 1.205 -0.693
Cl7 0.000 0.000 3.112
Cl8 0.000 0.000 -3.112
H9 0.000 2.138 1.239
H10 0.000 -2.138 1.239
H11 0.000 -2.138 -1.239
H12 0.000 2.138 -1.239

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75091.38501.38502.39352.39351.73624.48702.14222.14223.37753.3775
C22.75092.39352.39351.38501.38504.48701.73623.37753.37752.14222.1422
C31.38502.39352.41002.77981.38532.70253.99051.08123.38733.86102.1454
C41.38502.39352.41001.38532.77982.70253.99053.38731.08122.14543.8610
C52.39351.38502.77981.38532.41003.99052.70253.86102.14541.08123.3873
C62.39351.38501.38532.77982.41003.99052.70252.14543.86103.38731.0812
Cl71.73624.48702.70252.70253.99053.99056.22322.84182.84184.84784.8478
Cl84.48701.73623.99053.99052.70252.70256.22324.84784.84782.84182.8418
H92.14223.37751.08123.38733.86102.14542.84184.84784.27584.94222.4786
H102.14223.37753.38731.08122.14543.86102.84184.84784.27582.47864.9422
H113.37752.14223.86102.14541.08123.38734.84782.84184.94222.47864.2758
H123.37752.14222.14543.86103.38731.08124.84782.84182.47864.94224.2758

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 119.537 C1 C3 H9 120.093
C1 C4 C5 119.537 C1 C4 H10 120.093
C2 C5 C4 119.537 C2 C5 H11 120.093
C2 C6 C3 119.537 C2 C6 H12 120.093
C3 C1 C4 120.927 C3 C1 Cl7 119.537
C3 C6 H12 120.370 C4 C1 Cl7 119.537
C4 C5 H11 120.370 C5 C2 C6 120.927
C5 C2 Cl8 119.537 C5 C4 H10 120.370
C6 C2 Cl8 119.537 C6 C3 H9 120.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.191      
2 C -0.191      
3 C -0.120      
4 C -0.120      
5 C -0.120      
6 C -0.120      
7 Cl -0.056      
8 Cl -0.056      
9 H 0.244      
10 H 0.244      
11 H 0.244      
12 H 0.244      


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 -63.056 0.000 0.000
y 0.000 -52.216 0.000
z 0.000 0.000 -65.793
Traceless
 xyz
x -4.052 0.000 0.000
y 0.000 12.209 0.000
z 0.000 0.000 -8.157
Polar
3z2-r2-16.314
x2-y2-10.840
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.054 0.000 0.000
y 0.000 11.730 0.000
z 0.000 0.000 19.531


<r2> (average value of r2) Å2
<r2> 460.377
(<r2>)1/2 21.456