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

using model chemistry: ROHF/6-311G**

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/6-311G**
 hartrees
Energy at 0K-2690.087712
Energy at 298.15K-2690.098410
HF Energy-2690.087712
Nuclear repulsion energy250.597564
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/6-311G**
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' 3280 2993 40.63      
2 A' 3254 2970 16.49      
3 A' 3231 2949 28.56      
4 A' 3168 2891 44.87      
5 A' 1623 1481 5.52      
6 A' 1610 1470 8.02      
7 A' 1547 1412 3.30      
8 A' 1372 1252 72.91      
9 A' 1280 1168 32.13      
10 A' 1153 1052 11.14      
11 A' 942 860 11.70      
12 A' 573 523 36.34      
13 A' 431 394 2.72      
14 A' 320 292 3.41      
15 A' 283 258 0.95      
16 A" 3259 2974 18.73      
17 A" 3228 2946 5.37      
18 A" 3160 2884 13.41      
19 A" 1603 1463 0.77      
20 A" 1599 1459 2.04      
21 A" 1537 1402 6.27      
22 A" 1473 1345 0.52      
23 A" 1224 1117 0.53      
24 A" 1028 938 0.01      
25 A" 1017 928 1.19      
26 A" 307 281 0.58      
27 A" 261 239 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21881.8 cm-1
Scaled (by 0.9126) Zero Point Vibrational Energy (zpe) 19969.4 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 ROHF/6-311G**
ABC
0.26864 0.09605 0.07572

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.908 -0.441 0.000
Br2 -0.674 0.759 0.000
H3 1.736 0.251 0.000
C4 0.908 -1.272 1.271
C5 0.908 -1.272 -1.271
H6 0.041 -1.922 1.311
H7 1.802 -1.891 1.288
H8 0.909 -0.644 2.154
H9 0.041 -1.922 -1.311
H10 1.802 -1.891 -1.288
H11 0.909 -0.644 -2.154

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.98481.07921.51861.51862.15972.13572.16322.15972.13572.1632
Br21.98482.46262.87052.87053.06863.84813.01883.06863.84813.0188
H31.07922.46262.14962.14963.05192.50002.47463.05192.50002.4746
C41.51862.87052.14962.54201.08431.08781.08282.80002.78043.4816
C51.51862.87052.14962.54202.80002.78043.48161.08431.08781.0828
H62.15973.06863.05191.08432.80001.76161.75962.62173.13943.7932
H72.13573.84812.50001.08782.78041.76161.76063.13942.57563.7674
H82.16323.01882.47461.08283.48161.75961.76063.79323.76744.3072
H92.15973.06863.05192.80001.08432.62173.13943.79321.76161.7596
H102.13573.84812.50002.78041.08783.13942.57563.76741.76161.7606
H112.16323.01882.47463.48161.08283.79323.76744.30721.75961.7606

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 111.037 C1 C4 H7 108.923
C1 C4 H8 111.418 C1 C5 H9 111.037
C1 C5 H10 108.923 C1 C5 H11 111.418
Br2 C1 H3 102.956 Br2 C1 C4 109.315
Br2 C1 C5 109.315 H3 C1 C4 110.534
H3 C1 C5 110.534 C4 C1 C5 113.638
H6 C4 H7 108.387 H6 C4 H8 108.583
H7 C4 H8 108.410 H9 C5 H10 108.387
H9 C5 H11 108.583 H10 C5 H11 108.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.251      
2 Br -0.145      
3 H 0.151      
4 C -0.200      
5 C -0.200      
6 H 0.110      
7 H 0.095      
8 H 0.118      
9 H 0.110      
10 H 0.095      
11 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.024 -1.706 0.000 2.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.754 -0.560 0.000
y -0.560 -39.032 0.000
z 0.000 0.000 -38.823
Traceless
 xyz
x 1.174 -0.560 0.000
y -0.560 -0.744 0.000
z 0.000 0.000 -0.430
Polar
3z2-r2-0.860
x2-y21.278
xy-0.560
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> 157.525
(<r2>)1/2 12.551