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All results from a given calculation for C6H5Br (bromobenzene)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-2792.293213
Energy at 298.15K-2792.301466
Nuclear repulsion energy430.182659
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 mPW1PW91/3-21G
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 3260 3112 2.67      
2 A1 3245 3098 7.50      
3 A1 3223 3076 0.00      
4 A1 1642 1568 31.20      
5 A1 1551 1480 42.29      
6 A1 1250 1193 0.28      
7 A1 1141 1089 28.93      
8 A1 1074 1025 18.65      
9 A1 1048 1000 0.08      
10 A1 713 681 16.94      
11 A1 335 320 1.73      
12 A2 1045 997 0.00      
13 A2 892 852 0.00      
14 A2 434 415 0.00      
15 B1 1070 1021 1.78      
16 B1 993 948 5.36      
17 B1 811 774 26.54      
18 B1 746 712 77.27      
19 B1 508 485 14.54      
20 B1 183 175 0.74      
21 B2 3256 3108 4.21      
22 B2 3232 3085 5.31      
23 B2 1643 1568 3.35      
24 B2 1508 1440 10.49      
25 B2 1395 1332 1.36      
26 B2 1346 1285 0.20      
27 B2 1236 1180 0.10      
28 B2 1121 1070 4.41      
29 B2 658 628 0.29      
30 B2 260 248 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20408.3 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 19481.8 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 mPW1PW91/3-21G
ABC
0.19108 0.03275 0.02796

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.812
C2 0.000 0.000 -0.104
C3 0.000 1.206 -0.789
C4 0.000 -1.206 -0.789
C5 0.000 1.205 -2.182
C6 0.000 -1.205 -2.182
C7 0.000 0.000 -2.882
H8 0.000 2.135 -0.236
H9 0.000 -2.135 -0.236
H10 0.000 2.147 -2.716
H11 0.000 -2.147 -2.716
H12 0.000 0.000 -3.965

Atom - Atom Distances (Å)
  Br1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Br11.91662.86712.86714.17214.17214.69422.95892.95895.01175.01175.7771
C21.91661.38661.38662.40192.40192.77762.13942.13943.38123.38123.8606
C32.86711.38662.41151.39312.78432.41541.08163.38652.14493.86753.3971
C42.86711.38662.41152.78431.39312.41543.38651.08163.86752.14493.3971
C54.17212.40191.39312.78432.40991.39342.15703.86581.08333.39472.1518
C64.17212.40192.78431.39312.40991.39343.86582.15703.39471.08332.1518
C74.69422.77762.41542.41541.39341.39343.40013.40012.15382.15381.0829
H82.95892.13941.08163.38652.15703.86583.40014.27072.48014.94904.2970
H92.95892.13943.38651.08163.86582.15703.40014.27074.94902.48014.2970
H105.01173.38122.14493.86751.08333.39472.15382.48014.94904.29492.4842
H115.01173.38123.86752.14493.39471.08332.15384.94902.48014.29492.4842
H125.77713.86063.39713.39712.15182.15181.08294.29704.29702.48422.4842

picture of bromobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 C2 C3 119.589 Br1 C2 C4 119.589
C2 C3 C5 119.557 C2 C3 H8 119.666
C2 C4 C6 119.557 C2 C4 H9 119.666
C3 C2 C4 120.821 C3 C5 C7 120.181
C3 C5 H10 119.501 C4 C6 C7 120.181
C4 C6 H11 119.501 C5 C3 H8 120.777
C5 C7 C6 119.704 C5 C7 H12 120.148
C6 C4 H9 120.777 C6 C7 H12 120.148
C7 C5 H10 120.318 C7 C6 H11 120.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.204      
2 C -0.376      
3 C -0.176      
4 C -0.176      
5 C -0.216      
6 C -0.216      
7 C -0.223      
8 H 0.243      
9 H 0.243      
10 H 0.232      
11 H 0.232      
12 H 0.229      


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 -1.604 1.604
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.571 0.000 0.000
y 0.000 -46.840 0.000
z 0.000 0.000 -47.278
Traceless
 xyz
x -10.512 0.000 0.000
y 0.000 5.584 0.000
z 0.000 0.000 4.928
Polar
3z2-r29.856
x2-y2-10.731
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.738 0.000 0.000
y 0.000 10.210 0.000
z 0.000 0.000 14.998


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