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

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-2692.714713
Energy at 298.15K-2692.725057
HF Energy-2692.714713
Nuclear repulsion energy250.072420
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 TPSSh/cc-pVTZ
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' 3124 3025 27.24      
2 A' 3099 3001 20.81      
3 A' 3082 2984 7.87      
4 A' 3021 2926 35.65      
5 A' 1515 1467 4.84      
6 A' 1499 1452 9.87      
7 A' 1423 1378 3.43      
8 A' 1248 1209 37.68      
9 A' 1178 1141 36.23      
10 A' 1051 1018 8.83      
11 A' 882 854 9.21      
12 A' 523 507 20.35      
13 A' 387 375 1.92      
14 A' 281 272 2.45      
15 A' 248 240 0.70      
16 A" 3117 3018 12.69      
17 A" 3086 2988 3.74      
18 A" 3016 2921 11.09      
19 A" 1495 1448 0.22      
20 A" 1487 1440 2.32      
21 A" 1408 1363 7.84      
22 A" 1359 1316 1.89      
23 A" 1142 1106 1.56      
24 A" 946 916 0.43      
25 A" 935 905 1.01      
26 A" 270 262 0.67      
27 A" 233 225 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 20527.8 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 19877.1 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 TPSSh/cc-pVTZ
ABC
0.26761 0.09582 0.07558

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.450 -0.911 0.000
Br2 -0.066 1.013 0.000
H3 1.537 -0.867 0.000
C4 -0.066 -1.560 1.272
C5 -0.066 -1.560 -1.272
H6 -1.156 -1.538 1.305
H7 0.260 -2.605 1.296
H8 0.320 -1.058 2.159
H9 -1.156 -1.538 -1.305
H10 0.260 -2.605 -1.296
H11 0.320 -1.058 -2.159

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.99171.08801.51861.51862.16232.14202.16832.16232.14202.1683
Br21.99172.47042.87082.87083.06633.85743.01673.06633.85743.0167
H31.08802.47042.16032.16033.06682.51662.48623.06682.51662.4862
C41.51862.87082.16032.54461.09111.09481.08982.79892.79213.4896
C51.51862.87082.16032.54462.79892.79213.48961.09111.09481.0898
H62.16233.06633.06681.09112.79891.77281.77122.61063.14823.7963
H72.14203.85742.51661.09482.79211.77281.77293.14822.59263.7869
H82.16833.01672.48621.08983.48961.77121.77293.79633.78694.3188
H92.16233.06633.06682.79891.09112.61063.14823.79631.77281.7712
H102.14203.85742.51662.79211.09483.14822.59263.78691.77281.7729
H112.16833.01672.48623.48961.08983.79633.78694.31881.77121.7729

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 110.841 C1 C4 H7 109.017
C1 C4 H8 111.398 C1 C5 H9 110.841
C1 C5 H10 109.017 C1 C5 H11 111.398
Br2 C1 H3 102.693 Br2 C1 C4 108.988
Br2 C1 C5 108.988 H3 C1 C4 110.868
H3 C1 C5 110.868 C4 C1 C5 113.818
H6 C4 H7 108.396 H6 C4 H8 108.613
H7 C4 H8 108.500 H9 C5 H10 108.396
H9 C5 H11 108.613 H10 C5 H11 108.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 Br -0.176      
3 H 0.104      
4 C -0.196      
5 C -0.196      
6 H 0.086      
7 H 0.072      
8 H 0.093      
9 H 0.086      
10 H 0.072      
11 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.485 -2.351 0.000 2.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.847 -0.348 0.000
y -0.348 10.460 0.000
z 0.000 0.000 7.984


<r2> (average value of r2) Å2
<r2> 157.614
(<r2>)1/2 12.554