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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-2690.714357
Energy at 298.15K-2690.724790
HF Energy-2690.077194
Nuclear repulsion energy234.554993
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 QCISD(T)/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' 3131 2984        
2 A' 3090 2945        
3 A' 3059 2916        
4 A' 3039 2897        
5 A' 1496 1426        
6 A' 1481 1412        
7 A' 1474 1405        
8 A' 1407 1341        
9 A' 1363 1299        
10 A' 1245 1186        
11 A' 1118 1066        
12 A' 1061 1011        
13 A' 911 869        
14 A' 666 635        
15 A' 311 297        
16 A' 213 203        
17 A" 3159 3011        
18 A" 3124 2978        
19 A" 3102 2956        
20 A" 1487 1417        
21 A" 1311 1249        
22 A" 1237 1179        
23 A" 1054 1005        
24 A" 849 810        
25 A" 742 707        
26 A" 244 232        
27 A" 118 112        

Unscaled Zero Point Vibrational Energy (zpe) 20745.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 19772.9 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 QCISD(T)/cc-pVDZ
ABC
0.83144 0.05385 0.05208

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.840 0.000
C2 1.519 0.663 0.000
C3 2.234 2.024 0.000
Br4 -0.934 -0.891 0.000
H5 -0.350 1.376 0.899
H6 -0.350 1.376 -0.899
H7 1.815 0.073 0.889
H8 1.815 0.073 -0.889
H9 3.332 1.890 0.000
H10 1.963 2.617 -0.895
H11 1.963 2.617 0.895

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52902.52831.96721.10391.10392.16152.16153.49312.79512.7951
C21.52901.53802.90352.19322.19321.10721.10722.18962.19512.1951
C32.52831.53804.30532.81162.81162.18442.18441.10571.10741.1074
Br41.96722.90354.30532.50822.50823.04613.04615.09254.63714.6371
H51.10392.19322.81162.50821.79832.52673.09573.82453.17962.6249
H61.10392.19322.81162.50821.79833.09572.52673.82452.62493.1796
H72.16151.10722.18443.04612.52673.09571.77882.52843.11072.5478
H82.16151.10722.18443.04613.09572.52671.77882.52842.54783.1107
H93.49312.18961.10575.09253.82453.82452.52842.52841.78931.7893
H102.79512.19511.10744.63713.17962.62493.11072.54781.78931.7905
H112.79512.19511.10744.63712.62493.17962.54783.11071.78931.7905

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.047 C1 C2 H7 109.116
C1 C2 H8 109.116 C2 C1 Br4 111.688
C2 C1 H5 111.800 C2 C1 H6 111.800
C2 C3 H9 110.774 C2 C3 H10 111.114
C2 C3 H11 111.114 C3 C2 H7 110.283
C3 C2 H8 110.283 Br4 C1 H5 106.075
Br4 C1 H6 106.075 H5 C1 H6 109.081
H7 C2 H8 106.895 H9 C3 H10 107.902
H9 C3 H11 107.902 H10 C3 H11 107.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability