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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-2692.636525
Energy at 298.15K-2692.646797
HF Energy-2692.636525
Nuclear repulsion energy245.974346
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 BLYP/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' 3052 3045 39.67      
2 A' 3028 3020 18.30      
3 A' 3009 3002 11.76      
4 A' 2951 2944 45.55      
5 A' 1488 1484 7.77      
6 A' 1471 1468 10.72      
7 A' 1397 1394 4.58      
8 A' 1222 1219 44.11      
9 A' 1150 1147 40.50      
10 A' 1031 1029 9.93      
11 A' 851 849 10.90      
12 A' 497 496 21.34      
13 A' 397 396 2.69      
14 A' 281 280 3.76      
15 A' 247 247 1.19      
16 A" 3044 3037 16.09      
17 A" 3011 3003 6.99      
18 A" 2944 2937 10.48      
19 A" 1467 1463 0.39      
20 A" 1459 1455 2.91      
21 A" 1381 1377 11.45      
22 A" 1332 1329 2.55      
23 A" 1109 1106 2.21      
24 A" 929 927 2.16      
25 A" 924 922 0.09      
26 A" 271 270 0.57      
27 A" 230 230 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 20087.2 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 20037.0 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 BLYP/6-311G*
ABC
0.26245 0.09200 0.07283

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.450 -0.944 0.000
Br2 -0.066 1.036 0.000
H3 1.545 -0.890 0.000
C4 -0.066 -1.591 1.285
C5 -0.066 -1.591 -1.285
H6 -1.164 -1.575 1.329
H7 0.261 -2.644 1.317
H8 0.324 -1.088 2.179
H9 -1.164 -1.575 -1.329
H10 0.261 -2.644 -1.317
H11 0.324 -1.088 -2.179

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.04561.09621.52801.52802.18342.15892.18702.18342.15892.1870
Br22.04562.51022.92402.92403.12873.92223.06703.12873.92223.0670
H31.09622.51022.17602.17603.09352.54142.50533.09352.54142.5053
C41.52802.92402.17602.56931.09881.10351.09722.83472.82563.5212
C51.52802.92402.17602.56932.83472.82563.52121.09881.10351.0972
H62.18343.12873.09351.09882.83471.78131.78092.65753.18923.8407
H72.15893.92222.54141.10352.82561.78131.78043.18922.63353.8268
H82.18703.06702.50531.09723.52121.78091.78043.84073.82684.3572
H92.18343.12873.09352.83471.09882.65753.18923.84071.78131.7809
H102.15893.92222.54142.82561.10353.18922.63353.82681.78131.7804
H112.18703.06702.50533.52121.09723.84073.82684.35721.78091.7804

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 111.395 C1 C4 H7 109.191
C1 C4 H8 111.782 C1 C5 H9 111.395
C1 C5 H10 109.191 C1 C5 H11 111.782
Br2 C1 H3 101.775 Br2 C1 C4 108.953
Br2 C1 C5 108.953 H3 C1 C4 110.964
H3 C1 C5 110.964 C4 C1 C5 114.439
H6 C4 H7 107.962 H6 C4 H8 108.379
H7 C4 H8 108.002 H9 C5 H10 107.962
H9 C5 H11 108.379 H10 C5 H11 108.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.287      
2 Br -0.096      
3 H 0.239      
4 C -0.563      
5 C -0.563      
6 H 0.213      
7 H 0.201      
8 H 0.221      
9 H 0.213      
10 H 0.201      
11 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.490 -2.352 0.000 2.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.074 -0.753 0.000
y -0.753 -37.912 0.000
z 0.000 0.000 -39.086
Traceless
 xyz
x -0.575 -0.753 0.000
y -0.753 1.168 0.000
z 0.000 0.000 -0.593
Polar
3z2-r2-1.186
x2-y2-1.162
xy-0.753
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.262 -0.418 0.000
y -0.418 10.348 0.000
z 0.000 0.000 7.381


<r2> (average value of r2) Å2
<r2> 162.688
(<r2>)1/2 12.755