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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-2679.705252
Energy at 298.15K-2679.715698
HF Energy-2679.705252
Nuclear repulsion energy232.684359
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 B3LYP/3-21G
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' 3121 3012 34.37      
2 A' 3117 3008 7.70      
3 A' 3074 2966 7.22      
4 A' 3050 2943 19.65      
5 A' 1571 1516 8.57      
6 A' 1556 1502 2.85      
7 A' 1532 1478 3.40      
8 A' 1463 1412 7.69      
9 A' 1386 1338 4.15      
10 A' 1292 1247 39.56      
11 A' 1130 1091 5.19      
12 A' 1013 977 4.26      
13 A' 909 877 10.87      
14 A' 662 639 23.15      
15 A' 309 298 1.89      
16 A' 212 205 1.55      
17 A" 3184 3073 13.96      
18 A" 3124 3015 30.06      
19 A" 3099 2990 1.77      
20 A" 1566 1511 9.98      
21 A" 1362 1315 0.01      
22 A" 1280 1235 0.05      
23 A" 1089 1051 2.52      
24 A" 876 846 0.07      
25 A" 767 740 7.51      
26 A" 242 233 0.06      
27 A" 114 110 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 21050.2 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 20311.3 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 B3LYP/3-21G
ABC
0.83401 0.05283 0.05112

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.862 0.000
C2 1.518 0.705 0.000
C3 2.199 2.093 0.000
Br4 -0.925 -0.923 0.000
H5 -0.355 1.376 0.893
H6 -0.355 1.376 -0.893
H7 1.825 0.136 0.884
H8 1.825 0.136 -0.884
H9 3.289 1.985 0.000
H10 1.912 2.667 -0.888
H11 1.912 2.667 0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52662.52032.01061.08991.08992.15392.15393.47542.77542.7754
C21.52661.54652.93552.18172.18171.09501.09502.18512.18992.1899
C32.52031.54654.34232.79982.79982.18022.18021.09521.09591.0959
Br42.01062.93554.34232.53122.53123.07603.07605.11974.66114.6611
H51.08992.18172.79982.53121.78632.50843.07413.80153.15962.6095
H61.08992.18172.79982.53121.78633.07412.50843.80152.60953.1596
H72.15391.09502.18023.07602.50843.07411.76822.51903.09142.5329
H82.15391.09502.18023.07603.07412.50841.76822.51902.53293.0914
H93.47542.18511.09525.11973.80153.80152.51902.51901.77491.7749
H102.77542.18991.09594.66113.15962.60953.09142.53291.77491.7767
H112.77542.18991.09594.66112.60953.15962.53293.09141.77491.7767

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 110.188 C1 C2 H7 109.389
C1 C2 H8 109.389 C2 C1 Br4 111.447
C2 C1 H5 111.907 C2 C1 H6 111.907
C2 C3 H9 110.453 C2 C3 H10 110.789
C2 C3 H11 110.789 C3 C2 H7 110.074
C3 C2 H8 110.074 Br4 C1 H5 105.575
Br4 C1 H6 105.575 H5 C1 H6 110.064
H7 C2 H8 107.682 H9 C3 H10 108.203
H9 C3 H11 108.203 H10 C3 H11 108.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.575      
2 C -0.380      
3 C -0.555      
4 Br 0.015      
5 H 0.244      
6 H 0.244      
7 H 0.211      
8 H 0.211      
9 H 0.200      
10 H 0.192      
11 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.226 1.804 0.000 2.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.395 0.054 0.000
y 0.054 -37.697 0.000
z 0.000 0.000 -38.381
Traceless
 xyz
x -0.356 0.054 0.000
y 0.054 0.691 0.000
z 0.000 0.000 -0.335
Polar
3z2-r2-0.670
x2-y2-0.698
xy0.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.553 2.061 0.000
y 2.061 7.545 0.000
z 0.000 0.000 4.683


<r2> (average value of r2) Å2
<r2> 211.926
(<r2>)1/2 14.558