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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-2677.698145
Energy at 298.15K-2677.708699
HF Energy-2677.304972
Nuclear repulsion energy234.950482
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 CISD/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' 3180 2972 28.73      
2 A' 3172 2964 11.17      
3 A' 3139 2933 5.29      
4 A' 3110 2906 18.35      
5 A' 1618 1512 7.31      
6 A' 1606 1500 2.44      
7 A' 1590 1486 3.23      
8 A' 1516 1416 6.82      
9 A' 1443 1348 4.67      
10 A' 1340 1252 35.23      
11 A' 1162 1086 5.62      
12 A' 1036 968 1.68      
13 A' 919 858 6.23      
14 A' 703 657 19.81      
15 A' 327 305 1.63      
16 A' 223 208 1.42      
17 A" 3236 3023 10.88      
18 A" 3186 2977 25.38      
19 A" 3163 2955 4.38      
20 A" 1615 1509 9.06      
21 A" 1405 1312 0.02      
22 A" 1325 1238 0.18      
23 A" 1133 1059 2.33      
24 A" 915 855 0.01      
25 A" 784 732 5.47      
26 A" 246 230 0.04      
27 A" 120 112 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 21603.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 20186.6 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 CISD/3-21G*
ABC
0.82945 0.05400 0.05219

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.850 0.000
C2 1.521 0.636 0.000
C3 2.263 1.996 0.000
Br4 -0.943 -0.879 0.000
H5 -0.330 1.379 0.891
H6 -0.330 1.379 -0.891
H7 1.800 0.056 0.882
H8 1.800 0.056 -0.882
H9 3.344 1.840 0.000
H10 2.000 2.579 -0.887
H11 2.000 2.579 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.53622.53691.96891.08781.08782.15562.15563.48762.78862.7886
C21.53621.54912.89252.18502.18501.09191.09192.18432.18832.1883
C32.53691.54914.30612.81102.81102.18132.18131.09231.09321.0932
Br41.96892.89254.30612.50322.50323.02833.02835.07614.62614.6261
H51.08782.18502.81102.50321.78242.50753.07103.80903.16752.6213
H61.08782.18502.81102.50321.78243.07102.50753.80902.62133.1675
H72.15561.09192.18133.02832.50753.07101.76372.51923.08772.5309
H82.15561.09192.18133.02833.07102.50751.76372.51922.53093.0877
H93.48762.18431.09235.07613.80903.80902.51922.51921.77161.7716
H102.78862.18831.09324.62613.16752.62133.08772.53091.77161.7739
H112.78862.18831.09324.62612.62133.16752.53093.08771.77161.7739

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 110.622 C1 C2 H7 109.043
C1 C2 H8 109.043 C2 C1 Br4 110.616
C2 C1 H5 111.617 C2 C1 H6 111.617
C2 C3 H9 110.377 C2 C3 H10 110.645
C2 C3 H11 110.645 C3 C2 H7 110.168
C3 C2 H8 110.168 Br4 C1 H5 106.355
Br4 C1 H6 106.355 H5 C1 H6 110.020
H7 C2 H8 107.733 H9 C3 H10 108.318
H9 C3 H11 108.318 H10 C3 H11 108.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability