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: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-118.234019
Energy at 298.15K 
HF Energy-118.147485
Nuclear repulsion energy75.485759
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 B2PLYP=FULL/6-31G
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 3290 3290 23.53      
2 A 3180 3180 18.13      
3 A 3143 3143 37.43      
4 A 3138 3138 45.23      
5 A 3061 3061 29.94      
6 A 3059 3059 24.47      
7 A 2972 2972 39.24      
8 A 1568 1568 4.77      
9 A 1561 1561 6.23      
10 A 1544 1544 1.99      
11 A 1518 1518 0.59      
12 A 1472 1472 2.58      
13 A 1410 1410 1.92      
14 A 1316 1316 0.28      
15 A 1217 1217 0.56      
16 A 1117 1117 0.23      
17 A 1096 1096 0.98      
18 A 957 957 2.24      
19 A 902 902 0.17      
20 A 791 791 1.77      
21 A 492 492 50.24      
22 A 382 382 3.89      
23 A 248 248 0.04      
24 A 113 113 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 19773.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19773.2 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 B2PLYP=FULL/6-31G
ABC
1.08352 0.29605 0.25703

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.309 -0.294 -0.030
C2 0.079 0.560 0.057
C3 -1.231 -0.248 -0.041
H4 -2.105 0.408 0.026
H5 -1.282 -0.788 -0.992
H6 -1.296 -0.984 0.768
H7 0.074 1.126 1.007
H8 0.102 1.323 -0.733
H9 2.260 0.120 -0.345
H10 1.303 -1.310 0.354

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49942.54013.48612.80802.81012.14862.13711.08451.0856
C21.49941.54242.19032.18472.18661.10561.09902.26062.2536
C32.54011.54241.09511.09511.09612.16502.17343.52352.7751
H43.48612.19031.09511.77331.77322.49522.50734.39073.8302
H52.80802.18471.09511.77331.77133.08202.53793.71402.9608
H62.81012.18661.09611.77321.77132.52683.08743.88632.6509
H72.14861.10562.16502.49523.08202.52681.75162.76032.8046
H82.13711.09902.17342.50732.53793.08741.75162.50113.0911
H91.08452.26063.52354.39073.71403.88632.76032.50111.8575
H101.08562.25362.77513.83022.96082.65092.80463.09111.8575

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 113.236 C1 C2 H7 110.216
C1 C2 H8 109.697 C2 C1 H9 121.228
C2 C1 H10 120.491 C2 C3 H4 111.152
C2 C3 H5 110.710 C2 C3 H6 110.799
C3 C2 H7 108.566 C3 C2 H8 109.589
H4 C3 H5 108.128 H4 C3 H6 108.048
H5 C3 H6 107.880 H7 C2 H8 105.222
H9 C1 H10 117.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability