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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-2690.386406
Energy at 298.15K-2690.396829
HF Energy-2690.386406
Nuclear repulsion energy236.357734
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 mPW1PW91/6-31G**
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' 3160 3006 23.51      
2 A' 3127 2976 15.89      
3 A' 3089 2939 10.20      
4 A' 3070 2921 22.73      
5 A' 1523 1449 6.06      
6 A' 1508 1435 1.27      
7 A' 1499 1426 1.82      
8 A' 1429 1360 2.02      
9 A' 1376 1309 6.46      
10 A' 1261 1199 39.42      
11 A' 1130 1075 1.86      
12 A' 1061 1010 1.51      
13 A' 918 874 10.46      
14 A' 666 633 23.82      
15 A' 312 297 1.84      
16 A' 212 202 1.52      
17 A" 3199 3044 9.98      
18 A" 3153 3000 32.84      
19 A" 3129 2977 0.13      
20 A" 1515 1441 8.70      
21 A" 1328 1263 0.01      
22 A" 1250 1189 0.21      
23 A" 1067 1015 2.17      
24 A" 858 817 0.06      
25 A" 750 714 5.02      
26 A" 238 227 0.03      
27 A" 117 111 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 20970.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19953.7 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 mPW1PW91/6-31G**
ABC
0.84763 0.05460 0.05281

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.839 0.000
C2 1.504 0.659 0.000
C3 2.226 2.004 0.000
Br4 -0.929 -0.884 0.000
H5 -0.354 1.361 0.889
H6 -0.354 1.361 -0.889
H7 1.794 0.073 0.877
H8 1.794 0.073 -0.877
H9 3.309 1.861 0.000
H10 1.969 2.596 -0.884
H11 1.969 2.596 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51472.51191.95741.08981.08982.13862.13863.46292.78272.7827
C21.51471.52622.88072.17622.17621.09401.09402.16842.17882.1788
C32.51191.52624.27652.80362.80362.16452.16451.09241.09381.0938
Br41.95742.88074.27652.48162.48163.01593.01595.04884.61364.6136
H51.08982.17622.80362.48161.77752.50473.06453.80243.17262.6314
H61.08982.17622.80362.48161.77753.06452.50473.80242.63143.1726
H72.13861.09402.16453.01592.50473.06451.75392.50253.08142.5289
H82.13861.09402.16453.01593.06452.50471.75392.50252.52893.0814
H93.46292.16841.09245.04883.80243.80242.50252.50251.76461.7646
H102.78272.17881.09384.61363.17262.63143.08142.52891.76461.7672
H112.78272.17881.09384.61362.63143.17262.52893.08141.76461.7672

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 111.392 C1 C2 H7 109.068
C1 C2 H8 109.068 C2 C1 Br4 111.495
C2 C1 H5 112.322 C2 C1 H6 112.322
C2 C3 H9 110.710 C2 C3 H10 111.457
C2 C3 H11 111.457 C3 C2 H7 110.306
C3 C2 H8 110.306 Br4 C1 H5 105.489
Br4 C1 H6 105.489 H5 C1 H6 109.284
H7 C2 H8 106.570 H9 C3 H10 107.638
H9 C3 H11 107.638 H10 C3 H11 107.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.266      
2 C -0.248      
3 C -0.408      
4 Br -0.153      
5 H 0.176      
6 H 0.176      
7 H 0.152      
8 H 0.152      
9 H 0.145      
10 H 0.137      
11 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.330 1.835 0.000 2.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.124 0.099 0.000
y 0.099 -37.234 0.000
z 0.000 0.000 -38.105
Traceless
 xyz
x -0.454 0.099 0.000
y 0.099 0.881 0.000
z 0.000 0.000 -0.426
Polar
3z2-r2-0.853
x2-y2-0.890
xy0.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.820 1.717 0.000
y 1.717 8.112 0.000
z 0.000 0.000 5.997


<r2> (average value of r2) Å2
<r2> 206.087
(<r2>)1/2 14.356