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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-2690.033583
Energy at 298.15K-2690.044021
HF Energy-2690.033583
Nuclear repulsion energy233.622659
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 B3PW91/6-31G
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' 3144 3011 32.37      
2 A' 3130 2998 13.32      
3 A' 3073 2943 11.69      
4 A' 3052 2923 28.33      
5 A' 1550 1485 11.18      
6 A' 1538 1473 2.70      
7 A' 1518 1454 3.21      
8 A' 1459 1397 7.69      
9 A' 1393 1334 4.46      
10 A' 1280 1226 36.53      
11 A' 1149 1100 2.67      
12 A' 1064 1019 3.93      
13 A' 929 890 12.95      
14 A' 642 615 28.65      
15 A' 309 296 2.91      
16 A' 214 205 2.12      
17 A" 3210 3075 12.74      
18 A" 3141 3008 42.29      
19 A" 3113 2981 0.14      
20 A" 1542 1477 11.38      
21 A" 1346 1289 0.01      
22 A" 1270 1216 0.08      
23 A" 1073 1028 2.55      
24 A" 877 840 0.11      
25 A" 769 737 7.60      
26 A" 234 224 0.06      
27 A" 121 115 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 21069.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 20178.5 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 B3PW91/6-31G
ABC
0.82875 0.05346 0.05168

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.879 0.000
C2 1.504 0.680 0.000
C3 2.245 2.024 0.000
Br4 -0.933 -0.902 0.000
H5 -0.362 1.386 0.895
H6 -0.362 1.386 -0.895
H7 1.790 0.091 0.880
H8 1.790 0.091 -0.880
H9 3.329 1.865 0.000
H10 1.995 2.618 -0.887
H11 1.995 2.618 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51682.52022.01031.09071.09072.14412.14413.47202.79122.7912
C21.51681.53472.90532.18652.18651.09661.09662.17632.18732.1873
C32.52021.53474.31982.82932.82932.17202.17201.09531.09651.0965
Br42.01032.90534.31982.52232.52233.02873.02875.08164.66374.6637
H51.09072.18652.82932.52231.79012.51153.07523.82803.20102.6594
H61.09072.18652.82932.52231.79013.07522.51153.82802.65943.2010
H72.14411.09662.17203.02872.51153.07521.75932.50843.09032.5359
H82.14411.09662.17203.02873.07522.51151.75932.50842.53593.0903
H93.47202.17631.09535.08163.82803.82802.50842.50841.77011.7701
H102.79122.18731.09654.66373.20102.65943.09032.53591.77011.7731
H112.79122.18731.09654.66372.65943.20102.53593.09031.77011.7731

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 111.357 C1 C2 H7 109.199
C1 C2 H8 109.199 C2 C1 Br4 110.131
C2 C1 H5 112.956 C2 C1 H6 112.956
C2 C3 H9 110.572 C2 C3 H10 111.375
C2 C3 H11 111.375 C3 C2 H7 110.149
C3 C2 H8 110.149 Br4 C1 H5 104.947
Br4 C1 H6 104.947 H5 C1 H6 110.295
H7 C2 H8 106.667 H9 C3 H10 107.724
H9 C3 H11 107.724 H10 C3 H11 107.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.535      
2 C -0.280      
3 C -0.484      
4 Br -0.018      
5 H 0.223      
6 H 0.223      
7 H 0.183      
8 H 0.183      
9 H 0.174      
10 H 0.164      
11 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.450 2.072 0.000 2.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.419 -0.112 0.000
y -0.112 -37.722 0.000
z 0.000 0.000 -38.362
Traceless
 xyz
x -0.377 -0.112 0.000
y -0.112 0.669 0.000
z 0.000 0.000 -0.292
Polar
3z2-r2-0.583
x2-y2-0.697
xy-0.112
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.905 2.055 0.000
y 2.055 7.803 0.000
z 0.000 0.000 4.965


<r2> (average value of r2) Å2
<r2> 210.055
(<r2>)1/2 14.493