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

using model chemistry: ROHF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/6-31+G**
 hartrees
Energy at 0K-2687.592667
Energy at 298.15K-2687.603377
HF Energy-2687.592667
Nuclear repulsion energy236.323974
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 ROHF/6-31+G**
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' 3288 2814 27.04      
2 A' 3265 2795 44.63      
3 A' 3226 2761 10.12      
4 A' 3198 2737 37.92      
5 A' 1648 1411 4.97      
6 A' 1634 1399 1.21      
7 A' 1632 1397 2.87      
8 A' 1561 1336 0.96      
9 A' 1509 1292 12.06      
10 A' 1392 1191 67.76      
11 A' 1211 1036 2.07      
12 A' 1108 948 1.08      
13 A' 972 832 6.19      
14 A' 704 602 42.44      
15 A' 332 284 3.88      
16 A' 228 195 1.76      
17 A" 3351 2868 10.89      
18 A" 3271 2800 54.31      
19 A" 3246 2778 7.88      
20 A" 1637 1402 7.69      
21 A" 1442 1234 0.04      
22 A" 1363 1166 0.80      
23 A" 1172 1003 1.85      
24 A" 934 799 0.04      
25 A" 804 688 2.18      
26 A" 256 219 0.01      
27 A" 161 138 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 22271.9 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 19062.5 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 ROHF/6-31+G**
ABC
0.85724 0.05438 0.05262

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.829 0.000
C2 1.510 0.675 0.000
C3 2.192 2.045 0.000
Br4 -0.921 -0.896 0.000
H5 -0.355 1.343 0.879
H6 -0.355 1.343 -0.879
H7 1.815 0.107 0.872
H8 1.815 0.107 -0.872
H9 3.271 1.933 0.000
H10 1.921 2.624 -0.878
H11 1.921 2.624 0.878

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51792.50611.95631.07861.07862.13982.13983.45252.77122.7712
C21.51791.53022.89472.16742.16741.08461.08462.16472.17682.1768
C32.50611.53024.28262.78382.78382.15822.15821.08521.08621.0862
Br41.95632.89474.28262.47212.47213.04243.04245.05814.60864.6086
H51.07862.16742.78382.47211.75882.49793.05073.77743.14712.6108
H61.07862.16742.78382.47211.75883.05072.49793.77742.61083.1471
H72.13981.08462.15823.04242.49793.05071.74392.49323.06752.5194
H82.13981.08462.15823.04243.05072.49791.74392.49322.51943.0675
H93.45252.16471.08525.05813.77743.77742.49322.49321.75281.7528
H102.77122.17681.08624.60863.14712.61083.06752.51941.75281.7560
H112.77122.17681.08624.60862.61083.14712.51943.06751.75281.7560

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 110.607 C1 C2 H7 109.486
C1 C2 H8 109.486 C2 C1 Br4 112.242
C2 C1 H5 112.069 C2 C1 H6 112.069
C2 C3 H9 110.565 C2 C3 H10 111.478
C2 C3 H11 111.478 C3 C2 H7 110.085
C3 C2 H8 110.085 Br4 C1 H5 105.399
Br4 C1 H6 105.399 H5 C1 H6 109.238
H7 C2 H8 107.019 H9 C3 H10 107.646
H9 C3 H11 107.646 H10 C3 H11 107.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.379      
2 C -0.257      
3 C -0.666      
4 Br -0.182      
5 H 0.232      
6 H 0.232      
7 H 0.214      
8 H 0.214      
9 H 0.204      
10 H 0.195      
11 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.510 2.153 0.000 2.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.640 -0.189 0.000
y -0.189 -38.790 0.000
z 0.000 0.000 -39.299
Traceless
 xyz
x -0.596 -0.189 0.000
y -0.189 0.680 0.000
z 0.000 0.000 -0.084
Polar
3z2-r2-0.168
x2-y2-0.850
xy-0.189
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 207.455
(<r2>)1/2 14.403