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

using model chemistry: CCSD/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 CCSD/cc-pVDZ
 hartrees
Energy at 0K-2690.700221
Energy at 298.15K-2690.710746
HF Energy-2690.079974
Nuclear repulsion energy249.721752
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 CCSD/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' 3171 3004 22.55      
2 A' 3147 2981 36.11      
3 A' 3125 2960 1.21      
4 A' 3061 2900 27.24      
5 A' 1503 1424 5.26      
6 A' 1492 1413 7.32      
7 A' 1425 1350 2.63      
8 A' 1273 1206 46.38      
9 A' 1192 1130 19.91      
10 A' 1068 1012 6.94      
11 A' 917 868 5.35      
12 A' 565 536 14.56      
13 A' 406 384 1.18      
14 A' 307 291 1.06      
15 A' 273 259 0.50      
16 A" 3167 3000 11.38      
17 A" 3141 2975 2.07      
18 A" 3058 2896 13.74      
19 A" 1484 1406 0.53      
20 A" 1481 1403 1.54      
21 A" 1417 1342 6.49      
22 A" 1364 1293 0.82      
23 A" 1167 1105 0.72      
24 A" 965 914 0.05      
25 A" 940 890 0.86      
26 A" 292 276 0.58      
27 A" 255 241 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 20826.4 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 19728.9 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 CCSD/cc-pVDZ
ABC
0.26564 0.09585 0.07554

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.909 -0.432 0.000
Br2 -0.675 0.758 0.000
H3 1.762 0.267 0.000
C4 0.909 -1.272 1.275
C5 0.909 -1.272 -1.275
H6 0.021 -1.929 1.308
H7 1.815 -1.907 1.293
H8 0.908 -0.636 2.176
H9 0.021 -1.929 -1.308
H10 1.815 -1.907 -1.293
H11 0.908 -0.636 -2.176

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.98071.10251.52721.52722.17702.16132.18522.17702.16132.1852
Br21.98072.48592.87322.87323.06823.86993.03013.06823.86993.0301
H31.10252.48592.17292.17293.09192.52992.50543.09192.52992.5054
C41.52722.87322.17292.55011.10431.10691.10262.80912.79663.5088
C51.52722.87322.17292.55012.80912.79663.50881.10431.10691.1026
H62.17703.06823.09191.10432.80911.79411.79162.61613.15993.8200
H72.16133.86992.52991.10692.79661.79411.79383.15992.58653.8042
H82.18523.03012.50541.10263.50881.79161.79383.82003.80424.3512
H92.17703.06823.09192.80911.10432.61613.15993.82001.79411.7916
H102.16133.86992.52992.79661.10693.15992.58653.80421.79411.7938
H112.18523.03012.50543.50881.10263.82003.80424.35121.79161.7938

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 110.614 C1 C4 H7 109.235
C1 C4 H8 111.366 C1 C5 H9 110.614
C1 C5 H10 109.235 C1 C5 H11 111.366
Br2 C1 H3 103.792 Br2 C1 C4 109.304
Br2 C1 C5 109.304 H3 C1 C4 110.398
H3 C1 C5 110.398 C4 C1 C5 113.214
H6 C4 H7 108.456 H6 C4 H8 108.542
H7 C4 H8 108.557 H9 C5 H10 108.456
H9 C5 H11 108.542 H10 C5 H11 108.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability