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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-2692.719221
Energy at 298.15K-2692.729635
HF Energy-2692.719221
Nuclear repulsion energy248.857176
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/6-311G*
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' 3132 3026 36.69      
2 A' 3108 3003 19.86      
3 A' 3090 2986 12.02      
4 A' 3031 2929 39.83      
5 A' 1524 1473 8.47      
6 A' 1509 1458 10.93      
7 A' 1436 1388 5.47      
8 A' 1266 1223 49.70      
9 A' 1186 1146 34.17      
10 A' 1066 1030 11.40      
11 A' 886 856 9.65      
12 A' 528 510 21.99      
13 A' 408 394 2.30      
14 A' 294 284 3.00      
15 A' 259 250 0.87      
16 A" 3123 3018 15.07      
17 A" 3091 2987 5.16      
18 A" 3024 2922 11.31      
19 A" 1502 1452 0.48      
20 A" 1496 1446 3.24      
21 A" 1421 1373 12.75      
22 A" 1369 1323 1.16      
23 A" 1147 1108 1.50      
24 A" 957 924 0.65      
25 A" 951 919 1.33      
26 A" 283 273 0.53      
27 A" 240 232 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 20662.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 19966.4 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/6-311G*
ABC
0.26663 0.09455 0.07469

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.447 -0.921 0.000
Br2 -0.065 1.021 0.000
H3 1.536 -0.879 0.000
C4 -0.065 -1.571 1.274
C5 -0.065 -1.571 -1.274
H6 -1.156 -1.553 1.317
H7 0.259 -2.618 1.302
H8 0.321 -1.073 2.165
H9 -1.156 -1.553 -1.317
H10 0.259 -2.618 -1.302
H11 0.321 -1.073 -2.165

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.00881.08951.51901.51902.16882.14682.17362.16882.14682.1736
Br22.00882.48442.88822.88823.09053.87833.03663.09053.87833.0366
H31.08952.48442.15982.15983.07182.52002.48973.07182.52002.4897
C41.51902.88822.15982.54831.09231.09611.09072.81132.79963.4959
C51.51902.88822.15982.54832.81132.79963.49591.09231.09611.0907
H62.16883.09053.07181.09232.81131.77081.76972.63343.16133.8121
H72.14683.87832.52001.09612.79961.77081.77003.16132.60433.7957
H82.17363.03662.48971.09073.49591.76971.77003.81213.79574.3292
H92.16883.09053.07182.81131.09232.63343.16133.81211.77081.7697
H102.14683.87832.52002.79961.09613.16132.60433.79571.77081.7700
H112.17363.03662.48973.49591.09073.81213.79574.32921.76971.7700

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 111.259 C1 C4 H7 109.281
C1 C4 H8 111.741 C1 C5 H9 111.259
C1 C5 H10 109.281 C1 C5 H11 111.741
Br2 C1 H3 102.529 Br2 C1 C4 109.116
Br2 C1 C5 109.116 H3 C1 C4 110.706
H3 C1 C5 110.706 C4 C1 C5 114.023
H6 C4 H7 108.030 H6 C4 H8 108.331
H7 C4 H8 108.077 H9 C5 H10 108.030
H9 C5 H11 108.331 H10 C5 H11 108.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.310      
2 Br -0.091      
3 H 0.250      
4 C -0.591      
5 C -0.591      
6 H 0.223      
7 H 0.211      
8 H 0.232      
9 H 0.223      
10 H 0.211      
11 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.497 -2.334 0.000 2.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.819 -0.763 0.000
y -0.763 -37.785 0.000
z 0.000 0.000 -38.890
Traceless
 xyz
x -0.482 -0.763 0.000
y -0.763 1.069 0.000
z 0.000 0.000 -0.587
Polar
3z2-r2-1.175
x2-y2-1.034
xy-0.763
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.093 -0.420 0.000
y -0.420 9.884 0.000
z 0.000 0.000 7.084


<r2> (average value of r2) Å2
<r2> 159.327
(<r2>)1/2 12.622