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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-2680.077043
Energy at 298.15K-2680.087543
HF Energy-2680.077043
Nuclear repulsion energy236.127845
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 mPW1PW91/3-21G*
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' 3151 2992 21.69      
2 A' 3126 2968 13.77      
3 A' 3097 2941 5.19      
4 A' 3071 2916 18.32      
5 A' 1570 1491 10.35      
6 A' 1555 1477 4.32      
7 A' 1535 1458 3.21      
8 A' 1467 1393 11.81      
9 A' 1391 1321 4.45      
10 A' 1296 1230 26.53      
11 A' 1140 1082 7.38      
12 A' 1039 987 2.12      
13 A' 919 873 10.77      
14 A' 692 657 18.43      
15 A' 322 306 1.35      
16 A' 215 204 1.37      
17 A" 3195 3034 10.81      
18 A" 3154 2995 22.05      
19 A" 3129 2971 1.58      
20 A" 1568 1489 12.59      
21 A" 1366 1297 0.01      
22 A" 1283 1218 0.06      
23 A" 1099 1043 3.24      
24 A" 888 843 0.12      
25 A" 771 732 8.64      
26 A" 244 231 0.05      
27 A" 122 116 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 21201.1 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 20132.6 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 mPW1PW91/3-21G*
ABC
0.83401 0.05467 0.05285

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.844 0.000
C2 1.511 0.636 0.000
C3 2.240 1.990 0.000
Br4 -0.934 -0.876 0.000
H5 -0.333 1.374 0.893
H6 -0.333 1.374 -0.893
H7 1.792 0.054 0.884
H8 1.792 0.054 -0.884
H9 3.324 1.841 0.000
H10 1.976 2.574 -0.888
H11 1.976 2.574 0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52522.51651.95741.09111.09112.14882.14883.47072.77282.7728
C21.52521.53812.87512.17812.17811.09481.09482.17732.18242.1824
C32.51651.53814.27712.79272.79272.17482.17481.09441.09541.0954
Br41.95742.87514.27712.49492.49493.01353.01355.05174.60064.6006
H51.09112.17812.79272.49491.78672.50233.06903.79383.15372.6024
H61.09112.17812.79272.49491.78673.06902.50233.79382.60243.1537
H72.14881.09482.17483.01352.50233.06901.76712.51413.08632.5271
H82.14881.09482.17483.01353.06902.50231.76712.51412.52713.0863
H93.47072.17731.09445.05173.79383.79382.51412.51411.77331.7733
H102.77282.18241.09544.60063.15372.60243.08632.52711.77331.7763
H112.77282.18241.09544.60062.60243.15372.52713.08631.77331.7763

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 110.464 C1 C2 H7 109.097
C1 C2 H8 109.097 C2 C1 Br4 110.675
C2 C1 H5 111.639 C2 C1 H6 111.639
C2 C3 H9 110.465 C2 C3 H10 110.808
C2 C3 H11 110.808 C3 C2 H7 110.248
C3 C2 H8 110.248 Br4 C1 H5 106.350
Br4 C1 H6 106.350 H5 C1 H6 109.923
H7 C2 H8 107.627 H9 C3 H10 108.157
H9 C3 H11 108.157 H10 C3 H11 108.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.477      
2 C -0.460      
3 C -0.632      
4 Br -0.085      
5 H 0.257      
6 H 0.257      
7 H 0.240      
8 H 0.240      
9 H 0.227      
10 H 0.217      
11 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.209 1.679 0.000 2.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.124 0.202 0.000
y 0.202 -37.067 0.000
z 0.000 0.000 -38.122
Traceless
 xyz
x -0.530 0.202 0.000
y 0.202 1.056 0.000
z 0.000 0.000 -0.527
Polar
3z2-r2-1.054
x2-y2-1.057
xy0.202
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.184 1.681 0.000
y 1.681 7.533 0.000
z 0.000 0.000 5.452


<r2> (average value of r2) Å2
<r2> 205.959
(<r2>)1/2 14.351