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

using model chemistry: CCD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-2677.756645
Energy at 298.15K-2677.767132
HF Energy-2677.304015
Nuclear repulsion energy233.970618
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/3-21G*
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' 3107 2972 26.80      
2 A' 3094 2959 12.18      
3 A' 3062 2929 5.50      
4 A' 3036 2904 17.24      
5 A' 1585 1516 6.75      
6 A' 1574 1505 2.15      
7 A' 1558 1490 2.64      
8 A' 1481 1416 6.14      
9 A' 1410 1349 3.89      
10 A' 1308 1251 30.81      
11 A' 1135 1086 4.85      
12 A' 1014 970 1.67      
13 A' 898 859 5.92      
14 A' 689 659 14.79      
15 A' 320 306 1.22      
16 A' 218 208 1.36      
17 A" 3156 3018 12.61      
18 A" 3111 2975 26.01      
19 A" 3089 2954 2.61      
20 A" 1582 1513 8.26      
21 A" 1373 1313 0.01      
22 A" 1296 1240 0.19      
23 A" 1107 1059 2.24      
24 A" 895 856 0.01      
25 A" 767 733 5.01      
26 A" 242 231 0.04      
27 A" 118 113 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 21110.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 20192.2 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/3-21G*
ABC
0.82076 0.05359 0.05179

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.855 0.000
C2 1.527 0.637 0.000
C3 2.276 2.000 0.000
Br4 -0.947 -0.881 0.000
H5 -0.331 1.388 0.897
H6 -0.331 1.388 -0.897
H7 1.804 0.052 0.887
H8 1.804 0.052 -0.887
H9 3.363 1.838 0.000
H10 2.013 2.586 -0.892
H11 2.013 2.586 0.892

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.54212.54791.97711.09451.09452.16512.16513.50372.80062.8006
C21.54211.55532.90232.19512.19511.09841.09842.19432.19772.1977
C32.54791.55534.32292.82402.82402.19192.19191.09861.09941.0994
Br41.97712.90234.32292.51612.51613.03773.03775.09614.64484.6448
H51.09452.19512.82402.51611.79352.51893.08653.82763.18242.6320
H61.09452.19512.82402.51611.79353.08652.51893.82762.63203.1824
H72.16511.09842.19193.03772.51893.08651.77412.53133.10332.5426
H82.16511.09842.19193.03773.08652.51891.77412.53132.54263.1033
H93.50372.19431.09865.09613.82763.82762.53132.53131.78251.7825
H102.80062.19771.09944.64483.18242.63203.10332.54261.78251.7843
H112.80062.19771.09944.64482.63203.18242.54263.10331.78251.7843

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 110.691 C1 C2 H7 109.000
C1 C2 H8 109.000 C2 C1 Br4 110.510
C2 C1 H5 111.598 C2 C1 H6 111.598
C2 C3 H9 110.360 C2 C3 H10 110.582
C2 C3 H11 110.582 C3 C2 H7 110.184
C3 C2 H8 110.184 Br4 C1 H5 106.424
Br4 C1 H6 106.424 H5 C1 H6 110.033
H7 C2 H8 107.715 H9 C3 H10 108.380
H9 C3 H11 108.380 H10 C3 H11 108.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability