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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-2689.753518
Energy at 298.15K-2689.763969
HF Energy-2689.753518
Nuclear repulsion energy251.179716
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/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 A' 3180 3025 20.68      
2 A' 3155 3000 27.07      
3 A' 3137 2983 1.63      
4 A' 3070 2920 27.13      
5 A' 1531 1456 7.73      
6 A' 1519 1444 9.99      
7 A' 1444 1373 5.81      
8 A' 1270 1207 45.41      
9 A' 1196 1137 32.52      
10 A' 1067 1015 9.55      
11 A' 913 868 6.93      
12 A' 552 525 17.74      
13 A' 406 386 1.83      
14 A' 299 285 2.23      
15 A' 266 253 0.77      
16 A" 3176 3020 9.71      
17 A" 3146 2992 2.15      
18 A" 3066 2916 10.98      
19 A" 1509 1435 0.40      
20 A" 1506 1432 2.77      
21 A" 1432 1362 13.92      
22 A" 1374 1307 0.64      
23 A" 1171 1113 1.02      
24 A" 965 917 0.04      
25 A" 951 905 1.94      
26 A" 290 275 0.71      
27 A" 245 233 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 20916.9 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 19892.0 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/6-31G*
ABC
0.26842 0.09709 0.07647

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.452 -0.904 0.000
Br2 -0.066 1.006 0.000
H3 1.544 -0.867 0.000
C4 -0.066 -1.550 1.268
C5 -0.066 -1.550 -1.268
H6 -1.159 -1.524 1.298
H7 0.255 -2.599 1.302
H8 0.315 -1.044 2.159
H9 -1.159 -1.524 -1.298
H10 0.255 -2.599 -1.302
H11 0.315 -1.044 -2.159

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97951.09221.51421.51422.16022.14602.16792.16022.14602.1679
Br21.97952.46942.85332.85333.04703.84643.00143.04703.84643.0014
H31.09222.46942.15972.15973.06992.52102.49033.06992.52102.4903
C41.51422.85332.15972.53651.09451.09761.09302.79022.79453.4854
C51.51422.85332.15972.53652.79022.79453.48541.09451.09761.0930
H62.16023.04703.06991.09452.79021.77651.77382.59693.14923.7895
H72.14603.84642.52101.09762.79451.77651.77683.14922.60383.7948
H82.16793.00142.49031.09303.48541.77381.77683.78953.79484.3181
H92.16023.04703.06992.79021.09452.59693.14923.78951.77651.7738
H102.14603.84642.52102.79451.09763.14922.60383.79481.77651.7768
H112.16793.00142.49033.48541.09303.78953.79484.31811.77381.7768

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.777 C1 C4 H7 109.465
C1 C4 H8 111.479 C1 C5 H9 110.777
C1 C5 H10 109.465 C1 C5 H11 111.479
Br2 C1 H3 103.191 Br2 C1 C4 108.780
Br2 C1 C5 108.780 H3 C1 C4 110.873
H3 C1 C5 110.873 C4 C1 C5 113.767
H6 C4 H7 108.268 H6 C4 H8 108.356
H7 C4 H8 108.408 H9 C5 H10 108.268
H9 C5 H11 108.356 H10 C5 H11 108.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.173      
2 Br -0.154      
3 H 0.212      
4 C -0.504      
5 C -0.504      
6 H 0.190      
7 H 0.176      
8 H 0.195      
9 H 0.190      
10 H 0.176      
11 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.459 -2.220 0.000 2.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.926 -0.720 0.000
y -0.720 -36.918 0.000
z 0.000 0.000 -37.946
Traceless
 xyz
x -0.494 -0.720 0.000
y -0.720 1.018 0.000
z 0.000 0.000 -0.524
Polar
3z2-r2-1.048
x2-y2-1.008
xy-0.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.987 -0.358 0.000
y -0.358 9.043 0.000
z 0.000 0.000 6.711


<r2> (average value of r2) Å2
<r2> 155.943
(<r2>)1/2 12.488