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

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-2663.126199
Energy at 298.15K-2663.136476
HF Energy-2663.126199
Nuclear repulsion energy233.889578
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/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' 3482 3107 1.38      
2 A' 3348 2988 3.20      
3 A' 3329 2970 1.70      
4 A' 3313 2956 2.13      
5 A' 1695 1513 2.87      
6 A' 1671 1491 0.40      
7 A' 1651 1473 1.46      
8 A' 1577 1407 0.19      
9 A' 1500 1339 1.74      
10 A' 1380 1231 30.24      
11 A' 1194 1065 1.07      
12 A' 1122 1001 0.45      
13 A' 977 872 7.27      
14 A' 766 684 9.50      
15 A' 331 295 0.52      
16 A' 220 197 0.92      
17 A" 3483 3108 3.24      
18 A" 3456 3084 2.10      
19 A" 3439 3069 0.47      
20 A" 1687 1505 4.29      
21 A" 1420 1267 0.00      
22 A" 1354 1209 0.20      
23 A" 1161 1036 0.05      
24 A" 929 829 0.93      
25 A" 791 706 5.55      
26 A" 230 205 0.02      
27 A" 110 98 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 22805.8 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 20351.9 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/STO-3G
ABC
0.82848 0.05324 0.05150

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.820 0.000
C2 1.549 0.631 0.000
C3 2.289 2.001 0.000
Br4 -0.958 -0.874 0.000
H5 -0.310 1.391 0.893
H6 -0.310 1.391 -0.893
H7 1.845 0.049 0.890
H8 1.845 0.049 -0.890
H9 3.378 1.844 0.000
H10 2.023 2.587 -0.893
H11 2.023 2.587 0.893

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.56022.57551.94581.10481.10482.18862.18863.53012.83122.8312
C21.56021.55712.92352.19822.19821.10381.10382.19522.20252.2025
C32.57551.55714.33642.81522.81522.19042.19041.10071.10081.1008
Br41.94582.92354.33642.51942.51943.08223.08225.11744.65474.6547
H51.10482.19822.81522.51941.78682.53873.10263.82223.17292.6225
H61.10482.19822.81522.51941.78683.10262.53873.82222.62253.1729
H72.18861.10382.19043.08222.53873.10261.78032.52273.10702.5446
H82.18861.10382.19043.08223.10262.53871.78032.52272.54463.1070
H93.53012.19521.10075.11743.82223.82222.52272.52271.78501.7850
H102.83122.20251.10084.65473.17292.62253.10702.54461.78501.7854
H112.83122.20251.10084.65472.62253.17292.54463.10701.78501.7854

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 111.421 C1 C2 H7 109.283
C1 C2 H8 109.283 C2 C1 Br4 112.526
C2 C1 H5 109.963 C2 C1 H6 109.963
C2 C3 H9 110.186 C2 C3 H10 110.753
C2 C3 H11 110.753 C3 C2 H7 109.634
C3 C2 H8 109.634 Br4 C1 H5 108.164
Br4 C1 H6 108.164 H5 C1 H6 107.929
H7 C2 H8 107.500 H9 C3 H10 108.348
H9 C3 H11 108.348 H10 C3 H11 108.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.179      
2 C -0.127      
3 C -0.219      
4 Br -0.033      
5 H 0.088      
6 H 0.088      
7 H 0.078      
8 H 0.078      
9 H 0.078      
10 H 0.074      
11 H 0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.927 1.325 0.000 1.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.860 -0.349 0.000
y -0.349 -35.347 0.000
z 0.000 0.000 -35.376
Traceless
 xyz
x -0.498 -0.349 0.000
y -0.349 0.271 0.000
z 0.000 0.000 0.227
Polar
3z2-r20.454
x2-y2-0.512
xy-0.349
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.472 1.223 0.000
y 1.223 4.080 0.000
z 0.000 0.000 2.421


<r2> (average value of r2) Å2
<r2> 209.333
(<r2>)1/2 14.468