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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-2690.949237
Energy at 298.15K-2690.959714
HF Energy-2690.190456
Nuclear repulsion energy237.809108
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/cc-pVTZ
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' 3168 3008 19.26      
2 A' 3119 2962 16.90      
3 A' 3093 2937 7.11      
4 A' 3073 2918 19.10      
5 A' 1521 1444 6.15      
6 A' 1504 1428 1.03      
7 A' 1491 1415 1.89      
8 A' 1415 1343 2.47      
9 A' 1366 1297 4.60      
10 A' 1262 1199 34.61      
11 A' 1131 1074 0.96      
12 A' 1066 1012 0.99      
13 A' 920 874 8.50      
14 A' 695 660 16.49      
15 A' 317 301 0.85      
16 A' 214 203 1.10      
17 A" 3189 3028 9.86      
18 A" 3162 3002 23.06      
19 A" 3138 2979 0.15      
20 A" 1515 1439 8.10      
21 A" 1330 1263 0.03      
22 A" 1251 1188 0.44      
23 A" 1072 1017 2.02      
24 A" 862 818 0.00      
25 A" 751 713 3.27      
26 A" 240 228 0.02      
27 A" 117 111 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 20990.6 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 19930.6 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 MP2/cc-pVTZ
ABC
0.85269 0.05533 0.05351

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.825 0.000
C2 1.503 0.646 0.000
C3 2.202 2.001 0.000
Br4 -0.922 -0.878 0.000
H5 -0.342 1.355 0.885
H6 -0.342 1.355 -0.885
H7 1.795 0.068 0.876
H8 1.795 0.068 -0.876
H9 3.283 1.881 0.000
H10 1.930 2.582 -0.881
H11 1.930 2.582 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51312.49631.93681.08661.08662.13632.13633.44902.75462.7546
C21.51311.52492.86402.16502.16501.08971.08972.16702.16932.1693
C32.49631.52494.24852.76992.76992.16132.16131.08821.08951.0895
Br41.93682.86404.24852.47092.47093.00763.00765.02974.56984.5698
H51.08662.16502.76992.47091.77032.49473.05363.76873.12832.5822
H61.08662.16502.76992.47091.77033.05362.49473.76872.58223.1283
H72.13631.08972.16133.00762.49473.05361.75162.50393.07022.5180
H82.13631.08972.16133.00763.05362.49471.75162.50392.51803.0702
H93.44902.16701.08825.02973.76873.76872.50392.50391.76041.7604
H102.75462.16931.08954.56983.12832.58223.07022.51801.76041.7617
H112.75462.16931.08954.56982.58223.12832.51803.07021.76041.7617

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 110.510 C1 C2 H7 109.240
C1 C2 H8 109.240 C2 C1 Br4 111.643
C2 C1 H5 111.716 C2 C1 H6 111.716
C2 C3 H9 110.949 C2 C3 H10 111.052
C2 C3 H11 111.052 C3 C2 H7 110.402
C3 C2 H8 110.402 Br4 C1 H5 106.188
Br4 C1 H6 106.188 H5 C1 H6 109.088
H7 C2 H8 106.968 H9 C3 H10 107.874
H9 C3 H11 107.874 H10 C3 H11 107.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability