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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-2688.190637
Energy at 298.15K-2688.201154
HF Energy-2687.576567
Nuclear repulsion energy250.078137
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(T)=FULL/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' 3159 3066        
2 A' 3134 3042        
3 A' 3116 3025        
4 A' 3054 2964        
5 A' 1547 1502        
6 A' 1537 1492        
7 A' 1465 1422        
8 A' 1289 1251        
9 A' 1215 1179        
10 A' 1079 1048        
11 A' 916 889        
12 A' 555 539        
13 A' 411 399        
14 A' 307 298        
15 A' 275 267        
16 A" 3154 3062        
17 A" 3127 3035        
18 A" 3049 2960        
19 A" 1528 1483        
20 A" 1525 1480        
21 A" 1453 1410        
22 A" 1393 1352        
23 A" 1177 1143        
24 A" 980 951        
25 A" 962 934        
26 A" 294 285        
27 A" 257 250        

Unscaled Zero Point Vibrational Energy (zpe) 20978.3 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 20363.6 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(T)=FULL/6-31G*
ABC
0.26684 0.09609 0.07579

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -0.910 0.000
Br2 -0.066 1.011 0.000
H3 1.552 -0.876 0.000
C4 -0.066 -1.558 1.272
C5 -0.066 -1.558 -1.272
H6 -1.162 -1.521 1.298
H7 0.249 -2.611 1.301
H8 0.320 -1.052 2.164
H9 -1.162 -1.521 -1.298
H10 0.249 -2.611 -1.301
H11 0.320 -1.052 -2.164

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.99171.09491.52061.52062.16382.15192.17302.16382.15192.1730
Br21.99172.48652.86702.86703.04963.86223.01513.04963.86223.0151
H31.09492.48652.16832.16833.07702.53022.49643.07702.53022.4964
C41.52062.86702.16832.54421.09691.09991.09562.79412.79833.4945
C51.52062.86702.16832.54422.79412.79833.49451.09691.09991.0956
H62.16383.04963.07701.09692.79411.78311.77962.59583.15193.7949
H72.15193.86222.53021.09992.79831.78311.78343.15192.60243.8005
H82.17303.01512.49641.09563.49451.77961.78343.79493.80054.3280
H92.16383.04963.07702.79411.09692.59583.15193.79491.78311.7796
H102.15193.86222.53022.79831.09993.15192.60243.80051.78311.7834
H112.17303.01512.49643.49451.09563.79493.80054.32801.77961.7834

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 110.470 C1 C4 H7 109.355
C1 C4 H8 111.285 C1 C5 H9 110.470
C1 C5 H10 109.355 C1 C5 H11 111.285
Br2 C1 H3 103.484 Br2 C1 C4 108.683
Br2 C1 C5 108.683 H3 C1 C4 110.949
H3 C1 C5 110.949 C4 C1 C5 113.557
H6 C4 H7 108.516 H6 C4 H8 108.516
H7 C4 H8 108.635 H9 C5 H10 108.516
H9 C5 H11 108.516 H10 C5 H11 108.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability