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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-2689.596557
Energy at 298.15K-2689.607064
HF Energy-2689.596557
Nuclear repulsion energy249.328031
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' 3189 3051 26.58      
2 A' 3162 3025 19.48      
3 A' 3145 3009 5.62      
4 A' 3066 2933 27.67      
5 A' 1547 1480 12.69      
6 A' 1538 1471 12.55      
7 A' 1474 1410 8.99      
8 A' 1285 1229 40.21      
9 A' 1219 1166 47.36      
10 A' 1084 1037 9.33      
11 A' 925 885 8.59      
12 A' 540 517 21.49      
13 A' 412 394 2.23      
14 A' 296 283 3.69      
15 A' 272 260 0.82      
16 A" 3182 3043 10.97      
17 A" 3150 3013 3.42      
18 A" 3062 2929 11.40      
19 A" 1528 1461 0.97      
20 A" 1524 1458 4.86      
21 A" 1459 1395 21.60      
22 A" 1395 1335 2.24      
23 A" 1191 1140 3.19      
24 A" 991 948 0.34      
25 A" 985 942 3.01      
26 A" 293 281 0.95      
27 A" 248 237 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 21080.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 20165.8 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 HSEh1PBE/6-31G
ABC
0.26594 0.09557 0.07546

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 0.469 -0.938 0.000
Br2 -0.067 1.014 0.000
H3 1.560 -0.889 0.000
C4 -0.067 -1.556 1.273
C5 -0.067 -1.556 -1.273
H6 -1.161 -1.519 1.290
H7 0.244 -2.607 1.332
H8 0.307 -1.036 2.158
H9 -1.161 -1.519 -1.290
H10 0.244 -2.607 -1.332
H11 0.307 -1.036 -2.158

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.02441.09191.51301.51302.15812.14762.16632.15812.14762.1663
Br22.02442.50362.86802.86803.04623.87113.00033.04623.87113.0003
H31.09192.50362.17052.17053.07592.54152.49943.07592.54152.4994
C41.51302.86802.17052.54541.09421.09771.09282.78652.82643.4901
C51.51302.86802.17052.54542.78652.82643.49011.09421.09771.0928
H62.15813.04623.07591.09422.78651.77661.77262.57993.16733.7785
H72.14763.87112.54151.09772.82641.77661.77573.16732.66503.8282
H82.16633.00032.49941.09283.49011.77261.77573.77853.82824.3161
H92.15813.04623.07592.78651.09422.57993.16733.77851.77661.7726
H102.14763.87112.54152.82641.09773.16732.66503.82821.77661.7757
H112.16633.00032.49943.49011.09283.77853.82824.31611.77261.7757

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 110.711 C1 C4 H7 109.677
C1 C4 H8 111.459 C1 C5 H9 110.711
C1 C5 H10 109.677 C1 C5 H11 111.459
Br2 C1 H3 102.780 Br2 C1 C4 107.466
Br2 C1 C5 107.466 H3 C1 C4 111.853
H3 C1 C5 111.853 C4 C1 C5 114.536
H6 C4 H7 108.297 H6 C4 H8 108.289
H7 C4 H8 108.318 H9 C5 H10 108.297
H9 C5 H11 108.289 H10 C5 H11 108.318
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 -0.405      
2 Br -0.026      
3 H 0.229      
4 C -0.448      
5 C -0.448      
6 H 0.186      
7 H 0.173      
8 H 0.190      
9 H 0.186      
10 H 0.173      
11 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.517 -2.513 0.000 2.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.152 -0.638 0.000
y -0.638 -37.433 0.000
z 0.000 0.000 -37.982
Traceless
 xyz
x -0.444 -0.638 0.000
y -0.638 0.633 0.000
z 0.000 0.000 -0.189
Polar
3z2-r2-0.378
x2-y2-0.719
xy-0.638
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.089 -0.597 0.000
y -0.597 8.885 0.000
z 0.000 0.000 5.719


<r2> (average value of r2) Å2
<r2> 157.720
(<r2>)1/2 12.559