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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-2791.587871
Energy at 298.15K-2791.596120
HF Energy-2791.587871
Nuclear repulsion energy430.124197
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 HSEh1PBE/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3256 3137 2.77      
2 A1 3242 3123 7.06      
3 A1 3219 3101 0.00      
4 A1 1642 1582 31.72      
5 A1 1548 1491 42.90      
6 A1 1248 1202 0.26      
7 A1 1140 1098 28.65      
8 A1 1074 1034 18.51      
9 A1 1048 1010 0.11      
10 A1 713 687 16.91      
11 A1 335 323 1.75      
12 A2 1041 1003 0.00      
13 A2 889 857 0.00      
14 A2 434 418 0.00      
15 B1 1067 1028 1.77      
16 B1 990 954 5.21      
17 B1 810 780 24.99      
18 B1 744 717 77.05      
19 B1 507 489 14.65      
20 B1 183 176 0.72      
21 B2 3252 3132 4.16      
22 B2 3228 3110 5.07      
23 B2 1643 1582 3.37      
24 B2 1506 1451 10.64      
25 B2 1392 1341 1.38      
26 B2 1350 1301 0.16      
27 B2 1233 1188 0.12      
28 B2 1120 1079 4.50      
29 B2 659 634 0.29      
30 B2 260 250 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20386.9 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 19638.7 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 HSEh1PBE/3-21G
ABC
0.19115 0.03273 0.02795

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.816
C2 0.000 0.000 -0.103
C3 0.000 1.203 -0.792
C4 0.000 -1.203 -0.792
C5 0.000 1.203 -2.185
C6 0.000 -1.203 -2.185
C7 0.000 0.000 -2.886
H8 0.000 2.132 -0.239
H9 0.000 -2.132 -0.239
H10 0.000 2.145 -2.719
H11 0.000 -2.145 -2.719
H12 0.000 0.000 -3.969

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.91872.87202.87204.17754.17754.70162.96082.96085.01695.01695.7849
C21.91871.38621.38622.40442.40442.78292.13622.13623.38353.38353.8663
C32.87201.38622.40531.39262.77952.41451.08143.38012.14523.86303.3970
C42.87201.38622.40532.77951.39262.41453.38011.08143.86302.14523.3970
C54.17752.40441.39262.77952.40571.39222.15633.86091.08353.39062.1519
C64.17752.40442.77951.39262.40571.39223.86092.15633.39061.08352.1519
C74.70162.78292.41452.41451.39221.39223.39873.39872.15182.15181.0833
H82.96082.13621.08143.38012.15633.86093.39874.26372.48034.94434.2964
H92.96082.13623.38011.08143.86092.15633.39874.26374.94432.48034.2964
H105.01693.38352.14523.86301.08353.39062.15182.48034.94434.29082.4829
H115.01693.38353.86302.14523.39061.08352.15184.94432.48034.29082.4829
H125.78493.86633.39703.39702.15192.15191.08334.29644.29642.48292.4829

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.819 Br1 C2 C4 119.819
C2 C3 C5 119.826 C2 C3 H8 119.408
C2 C4 C6 119.826 C2 C4 H9 119.408
C3 C2 C4 120.361 C3 C5 C7 120.229
C3 C5 H10 119.560 C4 C6 C7 120.229
C4 C6 H11 119.560 C5 C3 H8 120.766
C5 C7 C6 119.529 C5 C7 H12 120.235
C6 C4 H9 120.766 C6 C7 H12 120.235
C7 C5 H10 120.211 C7 C6 H11 120.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.206      
2 C -0.376      
3 C -0.173      
4 C -0.173      
5 C -0.214      
6 C -0.214      
7 C -0.221      
8 H 0.240      
9 H 0.240      
10 H 0.229      
11 H 0.229      
12 H 0.226      


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 -1.579 1.579
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.616 0.000 0.000
y 0.000 -46.981 0.000
z 0.000 0.000 -47.365
Traceless
 xyz
x -10.443 0.000 0.000
y 0.000 5.510 0.000
z 0.000 0.000 4.933
Polar
3z2-r29.867
x2-y2-10.635
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.741 0.000 0.000
y 0.000 10.221 0.000
z 0.000 0.000 15.030


<r2> (average value of r2) Å2
<r2> 345.013
(<r2>)1/2 18.575