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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-131.904503
Energy at 298.15K-131.914811
HF Energy-131.904503
Nuclear repulsion energy108.903546
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 B3LYP/SDD
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' 3170 3048 49.38      
2 A' 3141 3019 23.24      
3 A' 3125 3004 12.96      
4 A' 3040 2922 36.92      
5 A' 1527 1468 14.22      
6 A' 1510 1452 14.45      
7 A' 1447 1391 10.02      
8 A' 1263 1214 55.90      
9 A' 1193 1146 54.97      
10 A' 1068 1026 19.57      
11 A' 892 858 11.04      
12 A' 506 487 26.02      
13 A' 401 385 3.32      
14 A' 282 271 5.14      
15 A' 246 236 1.28      
16 A" 3160 3037 17.38      
17 A" 3125 3004 9.57      
18 A" 3034 2917 11.87      
19 A" 1510 1451 2.64      
20 A" 1499 1441 4.68      
21 A" 1432 1376 20.18      
22 A" 1367 1314 2.20      
23 A" 1164 1119 3.17      
24 A" 966 929 0.49      
25 A" 959 922 3.54      
26 A" 274 263 0.37      
27 A" 217 208 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 20756.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 19953.5 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 B3LYP/SDD
ABC
0.26183 0.09085 0.07212

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.459 -0.959 0.000
Br2 -0.067 1.043 0.000
H3 1.551 -0.899 0.000
C4 -0.067 -1.600 1.286
C5 -0.067 -1.600 -1.286
H6 -1.162 -1.570 1.322
H7 0.250 -2.653 1.318
H8 0.324 -1.095 2.176
H9 -1.162 -1.570 -1.322
H10 0.250 -2.653 -1.318
H11 0.324 -1.095 -2.176

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.06961.09341.53031.53032.17902.15682.18472.17902.15682.1847
Br22.06962.52722.93872.93873.12603.93673.07553.12603.93673.0755
H31.09342.52722.18242.18243.09132.55102.50633.09132.55102.5063
C41.53032.93872.18242.57271.09591.10071.09472.82892.82753.5207
C51.53032.93872.18242.57272.82892.82753.52071.09591.10071.0947
H62.17903.12603.09131.09592.82891.77961.77772.64393.18413.8298
H72.15683.93672.55101.10072.82751.77961.77993.18412.63673.8267
H82.18473.07552.50631.09473.52071.77771.77993.82983.82674.3524
H92.17903.12603.09132.82891.09592.64393.18413.82981.77961.7777
H102.15683.93672.55102.82751.10073.18412.63673.82671.77961.7799
H112.18473.07552.50633.52071.09473.82983.82674.35241.77771.7799

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 111.063 C1 C4 H7 109.033
C1 C4 H8 111.588 C1 C5 H9 111.063
C1 C5 H10 109.033 C1 C5 H11 111.588
Br2 C1 H3 101.571 Br2 C1 C4 108.512
Br2 C1 C5 108.512 H3 C1 C4 111.484
H3 C1 C5 111.484 C4 C1 C5 114.406
H6 C4 H7 108.228 H6 C4 H8 108.494
H7 C4 H8 108.338 H9 C5 H10 108.228
H9 C5 H11 108.494 H10 C5 H11 108.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 Br -0.095      
3 H 0.255      
4 C -0.580      
5 C -0.580      
6 H 0.223      
7 H 0.199      
8 H 0.230      
9 H 0.223      
10 H 0.199      
11 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.530 -2.867 0.000 2.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.027 -0.856 0.000
y -0.856 -33.885 0.000
z 0.000 0.000 -34.956
Traceless
 xyz
x -0.607 -0.856 0.000
y -0.856 1.107 0.000
z 0.000 0.000 -0.500
Polar
3z2-r2-1.000
x2-y2-1.142
xy-0.856
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.977 -0.777 0.000
y -0.777 9.857 0.000
z 0.000 0.000 5.762


<r2> (average value of r2) Å2
<r2> 130.768
(<r2>)1/2 11.435