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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-2688.051468
Energy at 298.15K-2688.062095
HF Energy-2687.577316
Nuclear repulsion energy251.205318
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 CID/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' 3260 3011 23.90      
2 A' 3237 2990 25.16      
3 A' 3224 2978 4.29      
4 A' 3154 2913 25.39      
5 A' 1593 1471 8.13      
6 A' 1583 1462 7.43      
7 A' 1515 1400 5.06      
8 A' 1337 1235 55.39      
9 A' 1254 1158 25.24      
10 A' 1119 1034 7.97      
11 A' 943 871 6.59      
12 A' 579 535 20.00      
13 A' 423 391 1.71      
14 A' 317 292 1.89      
15 A' 282 260 0.71      
16 A" 3254 3006 10.12      
17 A" 3227 2981 2.37      
18 A" 3148 2908 10.70      
19 A" 1574 1454 0.53      
20 A" 1572 1452 2.83      
21 A" 1504 1389 10.36      
22 A" 1440 1330 0.24      
23 A" 1213 1120 0.50      
24 A" 1011 934 0.00      
25 A" 993 917 1.51      
26 A" 305 282 0.63      
27 A" 262 242 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 21660.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 20007.9 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 CID/6-31G*
ABC
0.26899 0.09688 0.07635

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.915 -0.425 0.000
Br2 -0.678 0.748 0.000
H3 1.745 0.275 0.000
C4 0.915 -1.256 1.268
C5 0.915 -1.256 -1.268
H6 0.044 -1.909 1.299
H7 1.814 -1.877 1.294
H8 0.905 -0.626 2.154
H9 0.044 -1.909 -1.299
H10 1.814 -1.877 -1.294
H11 0.905 -0.626 -2.154

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97881.08601.51621.51622.15612.14232.16372.15612.14232.1637
Br21.97882.46922.85742.85743.04483.84373.00563.04483.84373.0056
H31.08602.46922.15472.15473.05842.51222.48183.05842.51222.4818
C41.51622.85742.15472.53621.08901.09211.08782.78842.78543.4801
C51.51622.85742.15472.53622.78842.78543.48011.08901.09211.0878
H62.15613.04483.05841.08902.78841.76971.76642.59803.13963.7834
H72.14233.84372.51221.09212.78541.76971.76943.13962.58883.7796
H82.16373.00562.48181.08783.48011.76641.76943.78343.77964.3087
H92.15613.04483.05842.78841.08902.59803.13963.78341.76971.7664
H102.14233.84372.51222.78541.09213.13962.58883.77961.76971.7694
H112.16373.00562.48183.48011.08783.78343.77964.30871.76641.7694

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 110.637 C1 C4 H7 109.357
C1 C4 H8 111.317 C1 C5 H9 110.637
C1 C5 H10 109.357 C1 C5 H11 111.317
Br2 C1 H3 103.476 Br2 C1 C4 108.963
Br2 C1 C5 108.963 H3 C1 C4 110.707
H3 C1 C5 110.707 C4 C1 C5 113.516
H6 C4 H7 108.461 H6 C4 H8 108.473
H7 C4 H8 108.524 H9 C5 H10 108.461
H9 C5 H11 108.473 H10 C5 H11 108.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability