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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-2690.149225
Energy at 298.15K-2690.159912
HF Energy-2690.149225
Nuclear repulsion energy251.181799
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3273 2967 34.93      
2 A' 3248 2944 16.08      
3 A' 3225 2924 24.60      
4 A' 3166 2869 45.75      
5 A' 1623 1471 5.38      
6 A' 1610 1459 8.56      
7 A' 1549 1404 3.42      
8 A' 1370 1242 62.57      
9 A' 1281 1161 30.06      
10 A' 1153 1045 10.25      
11 A' 941 853 10.94      
12 A' 577 523 32.02      
13 A' 431 391 2.33      
14 A' 319 289 2.99      
15 A' 281 255 0.85      
16 A" 3254 2949 17.77      
17 A" 3223 2921 4.79      
18 A" 3158 2863 12.90      
19 A" 1603 1453 0.39      
20 A" 1599 1449 2.60      
21 A" 1536 1392 6.09      
22 A" 1476 1338 0.48      
23 A" 1222 1108 0.64      
24 A" 1028 932 0.05      
25 A" 1017 922 0.94      
26 A" 307 278 0.59      
27 A" 260 236 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21864.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19817.8 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 HF/Def2TZVPP
ABC
0.26965 0.09653 0.07608

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.905 -0.439 0.000
Br2 -0.672 0.757 0.000
H3 1.732 0.251 0.000
C4 0.905 -1.268 1.269
C5 0.905 -1.268 -1.269
H6 0.040 -1.916 1.308
H7 1.797 -1.887 1.286
H8 0.906 -0.642 2.149
H9 0.040 -1.916 -1.308
H10 1.797 -1.887 -1.286
H11 0.906 -0.642 -2.149

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97911.07691.51541.51542.15412.13212.15862.15412.13212.1586
Br21.97912.45602.86292.86293.05933.83903.01083.05933.83903.0108
H31.07692.45602.14492.14493.04472.49612.46923.04472.49612.4692
C41.51542.86292.14492.53731.08201.08561.08052.79402.77613.4747
C51.51542.86292.14492.53732.79402.77613.47471.08201.08561.0805
H62.15413.05933.04471.08202.79401.75781.75592.61533.13353.7848
H72.13213.83902.49611.08562.77611.75781.75723.13352.57283.7612
H82.15863.01082.46921.08053.47471.75591.75723.78483.76124.2982
H92.15413.05933.04472.79401.08202.61533.13353.78481.75781.7559
H102.13213.83902.49612.77611.08563.13352.57283.76121.75781.7572
H112.15863.01082.46923.47471.08053.78483.76124.29821.75591.7572

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 110.959 C1 C4 H7 108.995
C1 C4 H8 111.410 C1 C5 H9 110.959
C1 C5 H10 108.995 C1 C5 H11 111.410
Br2 C1 H3 102.954 Br2 C1 C4 109.301
Br2 C1 C5 109.301 H3 C1 C4 110.526
H3 C1 C5 110.526 C4 C1 C5 113.680
H6 C4 H7 108.381 H6 C4 H8 108.581
H7 C4 H8 108.433 H9 C5 H10 108.381
H9 C5 H11 108.581 H10 C5 H11 108.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.125      
2 Br -0.227      
3 H 0.063      
4 C -0.183      
5 C -0.183      
6 H 0.067      
7 H 0.055      
8 H 0.080      
9 H 0.067      
10 H 0.055      
11 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.997 -1.679 0.000 2.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.738 -0.456 0.000
y -0.456 -39.003 0.000
z 0.000 0.000 -38.774
Traceless
 xyz
x 1.151 -0.456 0.000
y -0.456 -0.747 0.000
z 0.000 0.000 -0.404
Polar
3z2-r2-0.807
x2-y21.265
xy-0.456
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.365 -1.658 0.000
y -1.658 8.447 0.000
z 0.000 0.000 7.627


<r2> (average value of r2) Å2
<r2> 156.891
(<r2>)1/2 12.526