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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-2690.171839
Energy at 298.15K-2690.182109
HF Energy-2690.171839
Nuclear repulsion energy246.338754
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 BLYP/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' 3068 3043 31.67      
2 A' 3042 3017 22.84      
3 A' 3027 3002 6.16      
4 A' 2966 2942 38.67      
5 A' 1497 1485 4.92      
6 A' 1483 1471 7.46      
7 A' 1408 1397 2.21      
8 A' 1223 1213 42.83      
9 A' 1156 1146 42.78      
10 A' 1028 1019 5.86      
11 A' 858 851 9.07      
12 A' 507 503 19.08      
13 A' 393 390 2.36      
14 A' 282 280 3.36      
15 A' 250 248 1.02      
16 A" 3062 3038 12.72      
17 A" 3030 3005 5.01      
18 A" 2959 2935 10.20      
19 A" 1477 1465 0.30      
20 A" 1471 1459 1.89      
21 A" 1393 1381 6.58      
22 A" 1338 1327 3.95      
23 A" 1115 1106 1.82      
24 A" 932 924 1.66      
25 A" 927 920 0.00      
26 A" 274 272 0.75      
27 A" 231 229 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 20198.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 20034.7 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 BLYP/6-31G*
ABC
0.26120 0.09274 0.07326

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.452 -0.933 0.000
Br2 -0.066 1.034 0.000
H3 1.550 -0.898 0.000
C4 -0.066 -1.591 1.287
C5 -0.066 -1.591 -1.287
H6 -1.166 -1.569 1.326
H7 0.259 -2.647 1.317
H8 0.323 -1.085 2.183
H9 -1.166 -1.569 -1.326
H10 0.259 -2.647 -1.317
H11 0.323 -1.085 -2.183

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.03421.09881.53501.53502.18672.16982.19252.18672.16982.1925
Br22.03422.51882.92352.92353.12193.92303.06753.12193.92303.0675
H31.09882.51882.17862.17863.09642.54132.51173.09642.54132.5117
C41.53502.92352.17862.57351.10151.10521.10032.83562.82853.5283
C51.53502.92352.17862.57352.83562.82853.52831.10151.10521.1003
H62.18673.12193.09641.10152.83561.78741.78482.65303.19113.8433
H72.16983.92302.54131.10522.82851.78741.78703.19112.63423.8336
H82.19253.06752.51171.10033.52831.78481.78703.84333.83364.3669
H92.18673.12193.09642.83561.10152.65303.19113.84331.78741.7848
H102.16983.92302.54132.82851.10523.19112.63423.83361.78741.7870
H112.19253.06752.51173.52831.10033.84333.83364.36691.78481.7870

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 111.007 C1 C4 H7 109.463
C1 C4 H8 111.542 C1 C5 H9 111.007
C1 C5 H10 109.463 C1 C5 H11 111.542
Br2 C1 H3 102.913 Br2 C1 C4 109.186
Br2 C1 C5 109.186 H3 C1 C4 110.524
H3 C1 C5 110.524 C4 C1 C5 113.921
H6 C4 H7 108.185 H6 C4 H8 108.303
H7 C4 H8 108.240 H9 C5 H10 108.185
H9 C5 H11 108.303 H10 C5 H11 108.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.082      
2 Br -0.171      
3 H 0.161      
4 C -0.397      
5 C -0.397      
6 H 0.152      
7 H 0.136      
8 H 0.155      
9 H 0.152      
10 H 0.136      
11 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.451 -2.272 0.000 2.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.125 -0.694 0.000
y -0.694 -37.026 0.000
z 0.000 0.000 -38.057
Traceless
 xyz
x -0.583 -0.694 0.000
y -0.694 1.065 0.000
z 0.000 0.000 -0.482
Polar
3z2-r2-0.964
x2-y2-1.099
xy-0.694
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.095 -0.374 0.000
y -0.374 9.544 0.000
z 0.000 0.000 6.939


<r2> (average value of r2) Å2
<r2> 161.427
(<r2>)1/2 12.705