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

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-2690.697023
Energy at 298.15K-2690.707564
HF Energy-2690.079974
Nuclear repulsion energy250.014711
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 CCD/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' 3179 3041 21.34      
2 A' 3156 3019 35.06      
3 A' 3129 2994 2.16      
4 A' 3068 2935 25.36      
5 A' 1505 1440 5.32      
6 A' 1494 1429 7.43      
7 A' 1427 1366 2.75      
8 A' 1280 1225 46.04      
9 A' 1195 1143 18.12      
10 A' 1072 1025 6.99      
11 A' 920 880 4.94      
12 A' 576 551 12.72      
13 A' 407 389 1.00      
14 A' 309 295 0.91      
15 A' 274 262 0.41      
16 A" 3175 3037 10.95      
17 A" 3150 3013 1.80      
18 A" 3065 2932 13.46      
19 A" 1486 1422 0.60      
20 A" 1483 1419 1.51      
21 A" 1419 1358 6.80      
22 A" 1367 1307 0.78      
23 A" 1169 1118 0.78      
24 A" 967 925 0.04      
25 A" 941 900 0.88      
26 A" 293 280 0.56      
27 A" 255 244 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 20878.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19974.9 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 CCD/cc-pVDZ
ABC
0.26586 0.09613 0.07572

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.904 -0.432 0.000
Br2 -0.671 0.759 0.000
H3 1.761 0.261 0.000
C4 0.904 -1.274 1.275
C5 0.904 -1.274 -1.275
H6 0.015 -1.928 1.309
H7 1.809 -1.911 1.292
H8 0.905 -0.638 2.175
H9 0.015 -1.928 -1.309
H10 1.809 -1.911 -1.292
H11 0.905 -0.638 -2.175

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97471.10251.52741.52742.17722.16192.18522.17722.16192.1852
Br21.97472.48292.87012.87013.06663.86593.02833.06663.86593.0283
H31.10252.48292.17152.17153.09092.52762.50483.09092.52762.5048
C41.52742.87012.17152.54921.10411.10651.10242.80902.79493.5080
C51.52742.87012.17152.54922.80902.79493.50801.10411.10651.1024
H62.17723.06663.09091.10412.80901.79341.79092.61713.15893.8202
H72.16193.86592.52761.10652.79491.79341.79313.15892.58403.8023
H82.18523.02832.50481.10243.50801.79091.79313.82023.80234.3508
H92.17723.06663.09092.80901.10412.61713.15893.82021.79341.7909
H102.16193.86592.52762.79491.10653.15892.58403.80231.79341.7931
H112.18523.02832.50483.50801.10243.82023.80234.35081.79091.7931

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 110.626 C1 C4 H7 109.291
C1 C4 H8 111.363 C1 C5 H9 110.626
C1 C5 H10 109.291 C1 C5 H11 111.363
Br2 C1 H3 103.951 Br2 C1 C4 109.411
Br2 C1 C5 109.411 H3 C1 C4 110.271
H3 C1 C5 110.271 C4 C1 C5 113.122
H6 C4 H7 108.438 H6 C4 H8 108.513
H7 C4 H8 108.538 H9 C5 H10 108.438
H9 C5 H11 108.513 H10 C5 H11 108.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability