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

using model chemistry: ROHF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-2690.080966
Energy at 298.15K-2690.091662
HF Energy-2690.080966
Nuclear repulsion energy250.250488
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/cc-pVDZ
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' 3297 2838 36.45      
2 A' 3275 2819 17.77      
3 A' 3256 2802 19.17      
4 A' 3182 2739 40.72      
5 A' 1603 1379 5.26      
6 A' 1589 1368 8.10      
7 A' 1530 1317 2.62      
8 A' 1357 1168 67.56      
9 A' 1273 1096 34.01      
10 A' 1143 984 10.40      
11 A' 947 815 11.82      
12 A' 571 492 35.23      
13 A' 431 371 2.62      
14 A' 321 276 3.49      
15 A' 285 245 1.13      
16 A" 3286 2828 14.83      
17 A" 3254 2801 4.72      
18 A" 3176 2733 15.55      
19 A" 1583 1362 0.62      
20 A" 1579 1359 1.88      
21 A" 1524 1311 6.05      
22 A" 1464 1260 0.54      
23 A" 1226 1056 0.80      
24 A" 1025 882 0.01      
25 A" 1010 869 1.13      
26 A" 308 265 0.72      
27 A" 264 227 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21877.5 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 18830.0 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/cc-pVDZ
ABC
0.26783 0.09592 0.07562

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.910 -0.441 0.000
Br2 -0.675 0.758 0.000
H3 1.743 0.257 0.000
C4 0.910 -1.270 1.272
C5 0.910 -1.270 -1.272
H6 0.039 -1.925 1.313
H7 1.810 -1.891 1.292
H8 0.910 -0.637 2.158
H9 0.039 -1.925 -1.313
H10 1.810 -1.891 -1.292
H11 0.910 -0.637 -2.158

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.98811.08681.51811.51812.16432.14022.16702.16432.14022.1670
Br21.98812.46962.87132.87133.07143.85573.01933.07143.85573.0193
H31.08682.46962.15482.15483.06412.50742.47993.06412.50742.4799
C41.51812.87132.15482.54421.09081.09411.08922.80562.78743.4883
C51.51812.87132.15482.54422.80562.78743.48831.09081.09411.0892
H62.16433.07143.06411.09082.80561.77211.76992.62633.15033.8038
H72.14023.85572.50741.09412.78741.77211.77093.15032.58323.7797
H82.16703.01932.47991.08923.48831.76991.77093.80383.77974.3164
H92.16433.07143.06412.80561.09082.62633.15033.80381.77211.7699
H102.14023.85572.50742.78741.09413.15032.58323.77971.77211.7709
H112.16703.01932.47993.48831.08923.80383.77974.31641.76991.7709

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 111.057 C1 C4 H7 108.952
C1 C4 H8 111.373 C1 C5 H9 111.057
C1 C5 H10 108.952 C1 C5 H11 111.373
Br2 C1 H3 102.903 Br2 C1 C4 109.223
Br2 C1 C5 109.223 H3 C1 C4 110.530
H3 C1 C5 110.530 C4 C1 C5 113.852
H6 C4 H7 108.399 H6 C4 H8 108.570
H7 C4 H8 108.407 H9 C5 H10 108.399
H9 C5 H11 108.570 H10 C5 H11 108.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 Br -0.164      
3 H 0.080      
4 C 0.023      
5 C 0.023      
6 H 0.048      
7 H 0.038      
8 H 0.053      
9 H 0.048      
10 H 0.038      
11 H 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.958 -1.650 0.000 2.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.520 -0.562 0.000
y -0.562 -38.779 0.000
z 0.000 0.000 -38.630
Traceless
 xyz
x 1.185 -0.562 0.000
y -0.562 -0.704 0.000
z 0.000 0.000 -0.481
Polar
3z2-r2-0.962
x2-y21.259
xy-0.562
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> 157.648
(<r2>)1/2 12.556