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/TZVP

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/TZVP
 hartrees
Energy at 0K-118.156181
Energy at 298.15K 
HF Energy-117.672656
Nuclear repulsion energy76.132631
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/TZVP
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 3327 3169 11.71      
2 A 3212 3060 14.89      
3 A 3177 3027 26.16      
4 A 3174 3023 34.29      
5 A 3114 2967 16.26      
6 A 3084 2938 23.87      
7 A 3029 2886 28.55      
8 A 1530 1458 3.35      
9 A 1521 1450 6.70      
10 A 1509 1437 0.74      
11 A 1496 1425 2.44      
12 A 1438 1370 2.25      
13 A 1390 1324 1.78      
14 A 1295 1234 0.17      
15 A 1207 1150 0.37      
16 A 1113 1060 0.11      
17 A 1076 1025 1.22      
18 A 941 897 1.12      
19 A 911 868 0.11      
20 A 774 737 0.83      
21 A 481 458 49.39      
22 A 370 353 5.68      
23 A 264 251 0.22      
24 A 160 153 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 19796.0 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 18859.6 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/TZVP
ABC
1.09639 0.30223 0.26267

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.293 -0.294 -0.040
C2 0.077 0.556 0.062
C3 -1.217 -0.246 -0.044
H4 -2.089 0.402 0.034
H5 -1.267 -0.769 -0.998
H6 -1.275 -0.990 0.751
H7 0.080 1.098 1.016
H8 0.101 1.323 -0.715
H9 2.237 0.120 -0.356
H10 1.297 -1.282 0.395

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48712.51023.45362.77422.77582.12722.11951.07861.0797
C21.48711.52612.17182.16472.16671.09781.09182.24302.2313
C32.51021.52611.08941.08931.09002.14792.15633.48742.7539
H43.45362.17181.08941.76421.76462.48112.49104.35303.7988
H52.77422.16471.08931.76421.76263.05942.51583.67182.9623
H62.77582.16671.09001.76461.76262.50393.06483.84652.6129
H72.12721.09782.14792.48113.05942.50391.74582.73732.7447
H82.11951.09182.15632.49102.51583.06481.74582.47803.0742
H91.07862.24303.48744.35303.67183.84652.73732.47801.8480
H101.07972.23132.75393.79882.96232.61292.74473.07421.8480

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 112.823 C1 C2 H7 109.843
C1 C2 H8 109.591 C2 C1 H9 121.084
C2 C1 H10 119.914 C2 C3 H4 111.172
C2 C3 H5 110.608 C2 C3 H6 110.726
C3 C2 H7 108.793 C3 C2 H8 109.794
H4 C3 H5 108.141 H4 C3 H6 108.125
H5 C3 H6 107.953 H7 C2 H8 105.750
H9 C1 H10 117.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability