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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-2789.108311
Energy at 298.15K-2789.116829
Nuclear repulsion energy433.066679
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 HF/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 3400 3069 3.26      
2 A1 3384 3054 13.32      
3 A1 3359 3032 0.00      
4 A1 1753 1582 18.73      
5 A1 1655 1494 43.33      
6 A1 1327 1197 0.05      
7 A1 1191 1075 33.73      
8 A1 1142 1030 9.39      
9 A1 1100 993 0.66      
10 A1 761 687 17.15      
11 A1 348 314 1.59      
12 A2 1160 1047 0.00      
13 A2 989 892 0.00      
14 A2 470 425 0.00      
15 B1 1191 1075 0.25      
16 B1 1087 981 4.46      
17 B1 870 785 74.80      
18 B1 802 724 41.32      
19 B1 532 480 10.55      
20 B1 193 174 0.66      
21 B2 3396 3065 6.03      
22 B2 3370 3042 8.63      
23 B2 1748 1578 3.18      
24 B2 1614 1457 12.75      
25 B2 1489 1344 2.25      
26 B2 1348 1217 0.26      
27 B2 1239 1118 0.36      
28 B2 1182 1067 2.19      
29 B2 707 638 0.19      
30 B2 267 241 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21536.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 19439.2 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 HF/3-21G*
ABC
0.19290 0.03324 0.02835

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.799
C2 0.000 0.000 -0.103
C3 0.000 1.203 -0.782
C4 0.000 -1.203 -0.782
C5 0.000 1.198 -2.166
C6 0.000 -1.198 -2.166
C7 0.000 0.000 -2.860
H8 0.000 2.124 -0.239
H9 0.000 -2.124 -0.239
H10 0.000 2.128 -2.698
H11 0.000 -2.128 -2.698
H12 0.000 0.000 -3.931

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.90242.84822.84824.14264.14264.65922.94402.94404.97544.97545.7306
C21.90241.38151.38152.38582.38582.75682.12882.12883.35603.35603.8282
C32.84821.38152.40591.38402.77112.40071.06983.37152.12743.84273.3709
C42.84821.38152.40592.77111.38402.40073.37151.06983.84272.12743.3709
C54.14262.38581.38402.77112.39561.38412.13873.84091.07153.36822.1330
C64.14262.38582.77111.38402.39561.38413.84092.13873.36821.07152.1330
C74.65922.75682.40072.40071.38411.38413.37393.37392.13432.13431.0714
H82.94402.12881.06983.37152.13873.84093.37394.24892.45924.91244.2600
H92.94402.12883.37151.06983.84092.13873.37394.24894.91242.45924.2600
H104.97543.35602.12743.84271.07153.36822.13432.45924.91244.25632.4597
H114.97543.35603.84272.12743.36821.07152.13434.91242.45924.25632.4597
H125.73063.82823.37093.37092.13302.13301.07144.26004.26002.45972.4597

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.452 Br1 C2 C4 119.452
C2 C3 C5 119.241 C2 C3 H8 120.016
C2 C4 C6 119.241 C2 C4 H9 120.016
C3 C2 C4 121.096 C3 C5 C7 120.283
C3 C5 H10 119.535 C4 C6 C7 120.283
C4 C6 H11 119.535 C5 C3 H8 120.743
C5 C7 C6 119.857 C5 C7 H12 120.072
C6 C4 H9 120.743 C6 C7 H12 120.072
C7 C5 H10 120.182 C7 C6 H11 120.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br -0.032      
2 C -0.088      
3 C -0.231      
4 C -0.231      
5 C -0.231      
6 C -0.231      
7 C -0.240      
8 H 0.267      
9 H 0.267      
10 H 0.251      
11 H 0.251      
12 H 0.249      


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 -1.843 1.843
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.432 0.000 0.000
y 0.000 -47.655 0.000
z 0.000 0.000 -48.052
Traceless
 xyz
x -10.579 0.000 0.000
y 0.000 5.587 0.000
z 0.000 0.000 4.991
Polar
3z2-r29.982
x2-y2-10.777
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.413 0.000 0.000
y 0.000 10.457 0.000
z 0.000 0.000 14.579


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000