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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2663.141792
Energy at 298.15K-2663.152093
HF Energy-2663.141792
Nuclear repulsion energy234.836245
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/STO-3G
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' 3507 3104 0.82      
2 A' 3371 2983 2.49      
3 A' 3352 2966 1.40      
4 A' 3334 2951 1.73      
5 A' 1697 1502 3.53      
6 A' 1673 1481 0.59      
7 A' 1654 1463 1.53      
8 A' 1580 1398 0.31      
9 A' 1507 1334 2.26      
10 A' 1384 1225 27.09      
11 A' 1203 1065 1.07      
12 A' 1141 1010 0.53      
13 A' 989 876 8.29      
14 A' 779 689 9.63      
15 A' 334 296 0.54      
16 A' 221 196 0.97      
17 A" 3508 3104 2.10      
18 A" 3480 3080 1.35      
19 A" 3464 3065 0.32      
20 A" 1689 1495 4.81      
21 A" 1425 1261 0.00      
22 A" 1360 1203 0.24      
23 A" 1167 1032 0.05      
24 A" 932 825 1.04      
25 A" 793 702 6.30      
26 A" 232 206 0.03      
27 A" 110 97 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 22941.2 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 20303.0 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/STO-3G
ABC
0.83479 0.05369 0.05194

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.814 0.000
C2 1.542 0.630 0.000
C3 2.275 1.996 0.000
Br4 -0.953 -0.872 0.000
H5 -0.311 1.384 0.892
H6 -0.311 1.384 -0.892
H7 1.840 0.050 0.889
H8 1.840 0.050 -0.889
H9 3.363 1.843 0.000
H10 2.009 2.582 -0.891
H11 2.009 2.582 0.891

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.55292.56351.93601.10371.10372.18172.18173.51722.82062.8206
C21.55291.54972.91192.19072.19071.10261.10262.18792.19582.1958
C32.56351.54974.31712.80292.80292.18302.18301.09941.09961.0996
Br41.93602.91194.31712.50952.50953.07223.07225.09854.63594.6359
H51.10372.19072.80292.50951.78392.53183.09533.80893.16172.6107
H61.10372.19072.80292.50951.78393.09532.53183.80892.61073.1617
H72.18171.10262.18303.07222.53183.09531.77752.51483.09992.5378
H82.18171.10262.18303.07223.09532.53181.77752.51482.53783.0999
H93.51722.18791.09945.09853.80893.80892.51482.51481.78231.7823
H102.82062.19581.09964.63593.16172.61073.09992.53781.78231.7829
H112.82062.19581.09964.63592.61073.16172.53783.09991.78231.7829

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 111.428 C1 C2 H7 109.312
C1 C2 H8 109.312 C2 C1 Br4 112.687
C2 C1 H5 109.944 C2 C1 H6 109.944
C2 C3 H9 110.204 C2 C3 H10 110.818
C2 C3 H11 110.818 C3 C2 H7 109.638
C3 C2 H8 109.638 Br4 C1 H5 108.148
Br4 C1 H6 108.148 H5 C1 H6 107.828
H7 C2 H8 107.425 H9 C3 H10 108.292
H9 C3 H11 108.292 H10 C3 H11 108.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186      
2 C -0.136      
3 C -0.231      
4 Br -0.037      
5 H 0.093      
6 H 0.093      
7 H 0.082      
8 H 0.082      
9 H 0.082      
10 H 0.078      
11 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.958 1.376 0.000 1.677
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.807 -0.388 0.000
y -0.388 -35.310 0.000
z 0.000 0.000 -35.293
Traceless
 xyz
x -0.505 -0.388 0.000
y -0.388 0.240 0.000
z 0.000 0.000 0.265
Polar
3z2-r20.530
x2-y2-0.497
xy-0.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.385 1.178 0.000
y 1.178 3.987 0.000
z 0.000 0.000 2.385


<r2> (average value of r2) Å2
<r2> 207.752
(<r2>)1/2 14.414