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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-2692.126274
Energy at 298.15K-2692.136591
HF Energy-2692.126274
Nuclear repulsion energy248.704270
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 PBEPBE/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' 3071 3039 28.47      
2 A' 3044 3012 31.94      
3 A' 3024 2993 1.78      
4 A' 2967 2936 34.91      
5 A' 1475 1459 9.17      
6 A' 1459 1444 12.42      
7 A' 1382 1367 7.06      
8 A' 1221 1209 41.98      
9 A' 1147 1135 35.25      
10 A' 1029 1018 12.91      
11 A' 875 866 8.95      
12 A' 519 513 18.55      
13 A' 396 392 2.10      
14 A' 287 284 2.64      
15 A' 254 251 0.98      
16 A" 3066 3034 13.23      
17 A" 3034 3002 3.90      
18 A" 2961 2930 11.87      
19 A" 1451 1436 0.43      
20 A" 1445 1430 3.13      
21 A" 1367 1353 17.38      
22 A" 1320 1306 1.01      
23 A" 1126 1114 1.91      
24 A" 926 917 0.52      
25 A" 917 908 1.75      
26 A" 274 272 0.60      
27 A" 236 233 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 20135.9 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 19926.5 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 PBEPBE/6-311G*
ABC
0.26587 0.09466 0.07476

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.448 -0.921 0.000
Br2 -0.065 1.020 0.000
H3 1.547 -0.876 0.000
C4 -0.065 -1.569 1.275
C5 -0.065 -1.569 -1.275
H6 -1.165 -1.551 1.315
H7 0.260 -2.623 1.305
H8 0.321 -1.067 2.172
H9 -1.165 -1.551 -1.315
H10 0.260 -2.623 -1.305
H11 0.321 -1.067 -2.172

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.00761.09901.51931.51932.17442.15342.18072.17442.15342.1807
Br22.00762.48842.88562.88563.09013.88383.03703.09013.88383.0370
H31.09902.48842.16862.16863.08802.53232.50113.08802.53232.5011
C41.51932.88562.16862.54901.10041.10411.09862.81292.80543.5043
C51.51932.88562.16862.54902.81292.80543.50431.10041.10411.0986
H62.17443.09013.08801.10042.81291.78321.78282.62913.16863.8209
H72.15343.88382.53231.10412.80541.78321.78293.16862.60943.8098
H82.18073.03702.50111.09863.50431.78281.78293.82093.80984.3441
H92.17443.09013.08802.81291.10042.62913.16863.82091.78321.7828
H102.15343.88382.53232.80541.10413.16862.60943.80981.78321.7829
H112.18073.03702.50113.50431.09863.82093.80984.34411.78281.7829

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 111.198 C1 C4 H7 109.318
C1 C4 H8 111.812 C1 C5 H9 111.198
C1 C5 H10 109.318 C1 C5 H11 111.812
Br2 C1 H3 102.480 Br2 C1 C4 109.016
Br2 C1 C5 109.016 H3 C1 C4 110.812
H3 C1 C5 110.812 C4 C1 C5 114.044
H6 C4 H7 107.973 H6 C4 H8 108.338
H7 C4 H8 108.077 H9 C5 H10 107.973
H9 C5 H11 108.338 H10 C5 H11 108.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.352      
2 Br -0.069      
3 H 0.261      
4 C -0.613      
5 C -0.613      
6 H 0.232      
7 H 0.220      
8 H 0.240      
9 H 0.232      
10 H 0.220      
11 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.476 -2.256 0.000 2.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.793 -0.754 0.000
y -0.754 -37.612 0.000
z 0.000 0.000 -38.798
Traceless
 xyz
x -0.588 -0.754 0.000
y -0.754 1.184 0.000
z 0.000 0.000 -0.596
Polar
3z2-r2-1.191
x2-y2-1.181
xy-0.754
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.250 -0.389 0.000
y -0.389 10.097 0.000
z 0.000 0.000 7.358


<r2> (average value of r2) Å2
<r2> 159.289
(<r2>)1/2 12.621