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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-130.862911
Energy at 298.15K-130.873305
HF Energy-130.569108
Nuclear repulsion energy105.781955
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 MP2/LANL2DZ
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' 3125 3010 44.95      
2 A' 3093 2979 31.16      
3 A' 3055 2942 16.04      
4 A' 3018 2907 36.77      
5 A' 1543 1486 7.94      
6 A' 1532 1475 2.15      
7 A' 1508 1452 1.95      
8 A' 1459 1405 7.98      
9 A' 1406 1354 5.47      
10 A' 1322 1273 34.76      
11 A' 1134 1092 3.82      
12 A' 1045 1006 2.87      
13 A' 909 876 9.12      
14 A' 641 617 14.48      
15 A' 300 289 1.10      
16 A' 208 200 1.30      
17 A" 3180 3062 25.91      
18 A" 3126 3011 57.32      
19 A" 3105 2990 0.75      
20 A" 1537 1481 10.61      
21 A" 1342 1292 0.24      
22 A" 1282 1234 0.40      
23 A" 1087 1047 3.12      
24 A" 887 854 0.01      
25 A" 779 751 6.30      
26 A" 234 226 0.04      
27 A" 112 107 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 20982.8 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20208.5 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 MP2/LANL2DZ
ABC
0.81420 0.05136 0.04970

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.878 0.000
C2 1.540 0.714 0.000
C3 2.240 2.112 0.000
Br4 -0.941 -0.934 0.000
H5 -0.357 1.395 0.904
H6 -0.357 1.395 -0.904
H7 1.851 0.139 0.891
H8 1.851 0.139 -0.891
H9 3.338 1.992 0.000
H10 1.959 2.697 -0.896
H11 1.959 2.697 0.896

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.54832.55742.04111.10071.10072.18342.18343.51912.81902.8190
C21.54831.56362.97752.20882.20881.10541.10542.20642.21552.2155
C32.55741.56364.40362.84212.84212.19982.19981.10471.10581.1058
Br42.04112.97754.40362.56472.56473.12053.12055.18334.73154.7315
H51.10072.20882.84212.56471.80742.54083.11073.85103.20902.6572
H61.10072.20882.84212.56471.80743.11072.54083.85102.65723.2090
H72.18341.10542.19983.12052.54083.11071.78182.53763.12192.5602
H82.18341.10542.19983.12053.11072.54081.78182.53762.56023.1219
H93.51912.20641.10475.18333.85103.85102.53762.53761.78901.7890
H102.81902.21551.10584.73153.20902.65723.12192.56021.78901.7910
H112.81902.21551.10584.73152.65723.20902.56023.12191.78901.7910

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 110.534 C1 C2 H7 109.599
C1 C2 H8 109.599 C2 C1 Br4 111.363
C2 C1 H5 111.878 C2 C1 H6 111.878
C2 C3 H9 110.375 C2 C3 H10 111.028
C2 C3 H11 111.028 C3 C2 H7 109.823
C3 C2 H8 109.823 Br4 C1 H5 105.488
Br4 C1 H6 105.488 H5 C1 H6 110.378
H7 C2 H8 107.408 H9 C3 H10 108.064
H9 C3 H11 108.064 H10 C3 H11 108.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability