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All results from a given calculation for C3H7 (n-Propyl radical)

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-118.109315
Energy at 298.15K 
HF Energy-117.645174
Nuclear repulsion energy75.814423
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/6-31+G**
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 3317 3135 17.21      
2 A 3209 3034 17.03      
3 A 3177 3004 35.13      
4 A 3172 2999 43.65      
5 A 3111 2941 20.96      
6 A 3093 2924 29.71      
7 A 3026 2861 34.50      
8 A 1550 1465 3.45      
9 A 1543 1459 5.93      
10 A 1526 1442 0.35      
11 A 1518 1435 1.32      
12 A 1462 1382 1.73      
13 A 1404 1327 2.77      
14 A 1305 1234 0.17      
15 A 1211 1145 0.54      
16 A 1115 1054 0.07      
17 A 1087 1028 0.95      
18 A 942 891 0.83      
19 A 910 861 0.05      
20 A 775 733 0.71      
21 A 482 456 54.30      
22 A 372 352 6.17      
23 A 258 244 0.27      
24 A 146 138 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 19855.7 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 18771.6 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 QCISD/6-31+G**
ABC
1.08940 0.29893 0.25999

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.302 -0.293 -0.037
C2 0.075 0.558 0.063
C3 -1.223 -0.248 -0.045
H4 -2.097 0.398 0.057
H5 -1.284 -0.756 -1.009
H6 -1.272 -1.008 0.739
H7 0.075 1.103 1.019
H8 0.099 1.327 -0.715
H9 2.244 0.120 -0.370
H10 1.314 -1.284 0.399

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49652.52503.46902.80092.78112.13742.12851.08161.0828
C21.49651.53202.17752.17332.17331.10021.09412.25482.2453
C32.52501.53201.09161.09151.09232.15422.16363.50172.7756
H43.46902.17751.09161.76881.76692.47702.50654.37043.8178
H52.80092.17331.09151.76881.76623.06812.51803.69113.0019
H62.78112.17331.09231.76691.76622.51903.07363.85512.6220
H72.13741.10022.15422.47703.06812.51901.74872.75682.7595
H82.12851.09412.16362.50652.51803.07361.74872.48513.0879
H91.08162.25483.50174.37043.69113.85512.75682.48511.8518
H101.08282.24532.77563.81783.00192.62202.75953.08791.8518

picture of n-Propyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.966 C1 C2 H7 109.863
C1 C2 H8 109.517 C2 C1 H9 121.155
C2 C1 H10 120.187 C2 C3 H4 111.078
C2 C3 H5 110.747 C2 C3 H6 110.700
C3 C2 H7 108.739 C3 C2 H8 109.826
H4 C3 H5 108.235 H4 C3 H6 108.011
H5 C3 H6 107.953 H7 C2 H8 105.669
H9 C1 H10 117.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability