return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-118.309293
Energy at 298.15K 
HF Energy-117.683621
Nuclear repulsion energy76.482202
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=FULL/aug-cc-pVQZ
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 3328 3183 7.44      
2 A 3215 3074 12.51      
3 A 3180 3042 20.26      
4 A 3174 3036 23.89      
5 A 3103 2968 13.74      
6 A 3086 2951 20.37      
7 A 3030 2898 22.15      
8 A 1526 1460 3.79      
9 A 1520 1454 7.22      
10 A 1494 1429 1.32      
11 A 1487 1423 3.23      
12 A 1420 1358 3.10      
13 A 1375 1315 1.61      
14 A 1288 1232 0.13      
15 A 1191 1139 0.20      
16 A 1119 1071 0.23      
17 A 1065 1018 1.04      
18 A 938 897 1.44      
19 A 907 868 0.20      
20 A 762 729 0.90      
21 A 486 465 50.88      
22 A 374 358 2.36      
23 A 259 247 0.03      
24 A 115 110 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 19720.4 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 18860.6 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=FULL/aug-cc-pVQZ
ABC
1.10622 0.30640 0.26456

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.286 -0.294 -0.029
C2 0.078 0.557 0.045
C3 -1.210 -0.243 -0.033
H4 -2.081 0.402 0.023
H5 -1.261 -0.798 -0.964
H6 -1.267 -0.957 0.784
H7 0.085 1.130 0.977
H8 0.104 1.301 -0.749
H9 2.250 0.126 -0.254
H10 1.246 -1.323 0.283

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.47942.49703.43922.75972.75972.11692.11251.07501.0760
C21.47941.51822.16512.15552.15521.09411.08892.23382.2256
C32.49701.51821.08521.08571.08632.14052.15033.48642.7017
H43.43922.16511.08521.75761.75762.47652.48594.34853.7568
H52.75972.15551.08571.75761.75523.04902.51313.69862.8486
H62.75972.15521.08631.75761.75522.49403.05403.82282.5877
H72.11691.09412.14052.47653.04902.49401.73432.68462.8008
H82.11251.08892.15032.48592.51313.05401.73432.49603.0427
H91.07502.23383.48644.34853.69863.82282.68462.49601.8431
H101.07602.22562.70173.75682.84862.58772.80083.04271.8431

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 112.811 C1 C2 H7 109.785
C1 C2 H8 109.746 C2 C1 H9 121.156
C2 C1 H10 120.315 C2 C3 H4 111.453
C2 C3 H5 110.651 C2 C3 H6 110.590
C3 C2 H7 108.969 C3 C2 H8 110.043
H4 C3 H5 108.117 H4 C3 H6 108.076
H5 C3 H6 107.826 H7 C2 H8 105.205
H9 C1 H10 117.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability