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

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-2679.695453
Energy at 298.15K-2679.705964
HF Energy-2679.695453
Nuclear repulsion energy249.310670
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 M06-2X/3-21G
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' 3146 3016 20.14      
2 A' 3142 3012 10.43      
3 A' 3110 2982 0.13      
4 A' 3065 2938 9.63      
5 A' 1567 1502 10.22      
6 A' 1559 1494 12.44      
7 A' 1479 1418 8.81      
8 A' 1298 1245 47.40      
9 A' 1221 1170 33.38      
10 A' 1100 1055 11.58      
11 A' 911 874 7.25      
12 A' 562 539 17.46      
13 A' 414 397 1.31      
14 A' 303 291 2.48      
15 A' 261 250 0.32      
16 A" 3139 3010 4.53      
17 A" 3135 3005 1.55      
18 A" 3062 2936 7.70      
19 A" 1546 1483 5.05      
20 A" 1544 1480 0.85      
21 A" 1463 1402 18.61      
22 A" 1384 1327 1.02      
23 A" 1163 1115 2.85      
24 A" 995 954 2.08      
25 A" 988 947 1.46      
26 A" 290 278 0.64      
27 A" 238 228 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21041.5 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 20172.5 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 M06-2X/3-21G
ABC
0.26815 0.09489 0.07523

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.469 -0.911 0.000
Br2 -0.067 1.018 0.000
H3 1.559 -0.888 0.000
C4 -0.067 -1.569 1.268
C5 -0.067 -1.569 -1.268
H6 -1.160 -1.522 1.280
H7 0.240 -2.622 1.285
H8 0.316 -1.075 2.163
H9 -1.160 -1.522 -1.280
H10 0.240 -2.622 -1.285
H11 0.316 -1.075 -2.163

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.00201.09011.52621.52622.16032.15232.17472.16032.15232.1747
Br22.00202.50572.88112.88113.04653.87233.03373.04653.87233.0337
H31.09012.50572.17202.17203.07172.52952.50213.07172.52952.5021
C41.52622.88112.17202.53581.09381.09691.09232.77292.77873.4876
C51.52622.88112.17202.53582.77292.77873.48761.09381.09691.0923
H62.16033.04653.07171.09382.77291.78101.77692.56033.12303.7728
H72.15233.87232.52951.09692.77871.78101.78083.12302.57043.7804
H82.17473.03372.50211.09233.48761.77691.78083.77283.78044.3262
H92.16033.04653.07172.77291.09382.56033.12303.77281.78101.7769
H102.15233.87232.52952.77871.09693.12302.57043.78041.78101.7808
H112.17473.03372.50213.48761.09233.77283.78044.32621.77691.7808

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 109.990 C1 C4 H7 109.182
C1 C4 H8 111.227 C1 C5 H9 109.990
C1 C5 H10 109.182 C1 C5 H11 111.227
Br2 C1 H3 104.360 Br2 C1 C4 108.744
Br2 C1 C5 108.744 H3 C1 C4 111.140
H3 C1 C5 111.140 C4 C1 C5 112.350
H6 C4 H7 108.776 H6 C4 H8 108.748
H7 C4 H8 108.872 H9 C5 H10 108.776
H9 C5 H11 108.748 H10 C5 H11 108.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.503      
2 Br 0.027      
3 H 0.263      
4 C -0.532      
5 C -0.532      
6 H 0.214      
7 H 0.205      
8 H 0.219      
9 H 0.214      
10 H 0.205      
11 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.449 -2.171 0.000 2.217
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.437 -0.612 0.000
y -0.612 -37.662 0.000
z 0.000 0.000 -38.399
Traceless
 xyz
x -0.407 -0.612 0.000
y -0.612 0.756 0.000
z 0.000 0.000 -0.349
Polar
3z2-r2-0.699
x2-y2-0.776
xy-0.612
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.767 -0.611 0.000
y -0.611 8.435 0.000
z 0.000 0.000 5.317


<r2> (average value of r2) Å2
<r2> 158.307
(<r2>)1/2 12.582