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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: SVWN/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 SVWN/6-31G*
 hartrees
Energy at 0K-2686.792143
Energy at 298.15K-2686.802493
HF Energy-2686.792143
Nuclear repulsion energy252.846309
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 SVWN/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' 3097 3038 9.35      
2 A' 3070 3012 19.81      
3 A' 3040 2983 1.38      
4 A' 2987 2930 18.13      
5 A' 1462 1434 9.76      
6 A' 1449 1421 14.96      
7 A' 1375 1349 12.47      
8 A' 1211 1188 35.08      
9 A' 1152 1130 34.86      
10 A' 1020 1000 10.96      
11 A' 909 892 5.65      
12 A' 546 536 14.11      
13 A' 394 386 1.82      
14 A' 292 287 2.01      
15 A' 264 259 0.99      
16 A" 3095 3036 5.78      
17 A" 3065 3007 0.43      
18 A" 2983 2926 7.01      
19 A" 1438 1410 0.48      
20 A" 1434 1407 2.85      
21 A" 1368 1342 27.46      
22 A" 1315 1290 0.03      
23 A" 1155 1133 0.67      
24 A" 927 909 0.00      
25 A" 910 893 2.81      
26 A" 281 276 0.85      
27 A" 241 236 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 20238.9 cm-1
Scaled (by 0.981) Zero Point Vibrational Energy (zpe) 19854.4 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 SVWN/6-31G*
ABC
0.27185 0.09879 0.07789

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.456 -0.898 0.000
Br2 -0.065 0.997 0.000
H3 1.558 -0.860 0.000
C4 -0.065 -1.533 1.256
C5 -0.065 -1.533 -1.256
H6 -1.169 -1.501 1.275
H7 0.249 -2.593 1.296
H8 0.309 -1.023 2.158
H9 -1.169 -1.501 -1.275
H10 0.249 -2.593 -1.296
H11 0.309 -1.023 -2.158

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.96471.10261.50131.50132.15142.14432.16622.15142.14432.1662
Br21.96472.46612.82462.82463.01323.82952.97913.01323.82952.9791
H31.10262.46612.16032.16033.07742.52942.49833.07742.52942.4983
C41.50132.82462.16032.51201.10381.10611.10162.76092.78143.4718
C51.50132.82462.16032.51202.76092.78143.47181.10381.10611.1016
H62.15143.01323.07741.10382.76091.78981.78642.54953.13263.7673
H72.14433.82952.52941.10612.78141.78981.79173.13262.59263.7944
H82.16622.97912.49831.10163.47181.78641.79173.76733.79444.3152
H92.15143.01323.07742.76091.10382.54953.13263.76731.78981.7864
H102.14433.82952.52942.78141.10613.13262.59263.79441.78981.7917
H112.16622.97912.49833.47181.10163.76733.79444.31521.78641.7917

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.421 C1 C4 H7 109.719
C1 C4 H8 111.739 C1 C5 H9 110.421
C1 C5 H10 109.719 C1 C5 H11 111.739
Br2 C1 H3 103.428 Br2 C1 C4 108.428
Br2 C1 C5 108.428 H3 C1 C4 111.208
H3 C1 C5 111.208 C4 C1 C5 113.567
H6 C4 H7 108.177 H6 C4 H8 108.196
H7 C4 H8 108.494 H9 C5 H10 108.177
H9 C5 H11 108.196 H10 C5 H11 108.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.158      
2 Br -0.144      
3 H 0.208      
4 C -0.524      
5 C -0.524      
6 H 0.193      
7 H 0.180      
8 H 0.198      
9 H 0.193      
10 H 0.180      
11 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.441 -2.128 0.000 2.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.920 -0.711 0.000
y -0.711 -36.868 0.000
z 0.000 0.000 -37.897
Traceless
 xyz
x -0.537 -0.711 0.000
y -0.711 1.040 0.000
z 0.000 0.000 -0.503
Polar
3z2-r2-1.006
x2-y2-1.052
xy-0.711
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.123 -0.329 0.000
y -0.329 9.178 0.000
z 0.000 0.000 6.910


<r2> (average value of r2) Å2
<r2> 153.835
(<r2>)1/2 12.403