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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-2690.136315
Energy at 298.15K-2690.146675
HF Energy-2690.136315
Nuclear repulsion energy249.739626
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 TPSSh/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' 3155 3026 32.92      
2 A' 3129 3002 25.41      
3 A' 3114 2988 8.58      
4 A' 3048 2924 37.63      
5 A' 1545 1482 5.55      
6 A' 1532 1470 7.74      
7 A' 1452 1393 2.94      
8 A' 1263 1212 43.39      
9 A' 1192 1144 37.75      
10 A' 1060 1017 6.69      
11 A' 891 855 8.04      
12 A' 530 508 20.55      
13 A' 391 375 2.22      
14 A' 288 276 2.44      
15 A' 256 246 0.82      
16 A" 3148 3020 13.08      
17 A" 3118 2991 4.52      
18 A" 3043 2920 13.86      
19 A" 1525 1463 0.35      
20 A" 1520 1458 2.09      
21 A" 1437 1378 6.99      
22 A" 1375 1319 2.31      
23 A" 1154 1107 1.16      
24 A" 957 918 0.25      
25 A" 948 909 1.38      
26 A" 278 267 0.85      
27 A" 237 228 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 20793.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 19948.8 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 TPSSh/6-31G*
ABC
0.26527 0.09593 0.07554

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.456 -0.913 0.000
Br2 -0.066 1.013 0.000
H3 1.546 -0.871 0.000
C4 -0.066 -1.560 1.277
C5 -0.066 -1.560 -1.277
H6 -1.160 -1.535 1.307
H7 0.258 -2.609 1.309
H8 0.317 -1.051 2.166
H9 -1.160 -1.535 -1.307
H10 0.258 -2.609 -1.309
H11 0.317 -1.051 -2.166

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.99541.09161.52361.52362.16902.15132.17462.16902.15132.1746
Br21.99542.48002.87232.87233.06513.86463.01643.06513.86463.0164
H31.09162.48002.16912.16913.07782.52842.49673.07782.52842.4967
C41.52362.87232.16912.55391.09471.09821.09362.80582.80923.5012
C51.52362.87232.16912.55392.80582.80923.50121.09471.09821.0936
H62.16903.06513.07781.09472.80581.77871.77622.61333.16303.8046
H72.15133.86462.52841.09822.80921.77871.77883.16302.61773.8083
H82.17463.01642.49671.09363.50121.77621.77883.80463.80834.3316
H92.16903.06513.07782.80581.09472.61333.16303.80461.77871.7762
H102.15133.86462.52842.80921.09823.16302.61773.80831.77871.7788
H112.17463.01642.49673.50121.09363.80463.80834.33161.77621.7788

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 110.808 C1 C4 H7 109.205
C1 C4 H8 111.321 C1 C5 H9 110.808
C1 C5 H10 109.205 C1 C5 H11 111.321
Br2 C1 H3 102.970 Br2 C1 C4 108.681
Br2 C1 C5 108.681 H3 C1 C4 111.004
H3 C1 C5 111.004 C4 C1 C5 113.881
H6 C4 H7 108.413 H6 C4 H8 108.522
H7 C4 H8 108.498 H9 C5 H10 108.413
H9 C5 H11 108.522 H10 C5 H11 108.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 Br -0.167      
3 H 0.204      
4 C -0.471      
5 C -0.471      
6 H 0.180      
7 H 0.165      
8 H 0.184      
9 H 0.180      
10 H 0.165      
11 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.474 -2.299 0.000 2.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.026 -0.373 0.000
y -0.373 9.214 0.000
z 0.000 0.000 6.787


<r2> (average value of r2) Å2
<r2> 157.438
(<r2>)1/2 12.547