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: CCSD(T)=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at CCSD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-118.145139
Energy at 298.15K 
HF Energy-117.644886
Nuclear repulsion energy75.221638
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 CCSD(T)=FULL/aug-cc-pVDZ
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 3245 3152        
2 A 3136 3045        
3 A 3104 3014        
4 A 3098 3009        
5 A 3029 2942        
6 A 3021 2934        
7 A 2953 2868        
8 A 1486 1444        
9 A 1481 1438        
10 A 1464 1422        
11 A 1452 1410        
12 A 1394 1354        
13 A 1344 1305        
14 A 1256 1220        
15 A 1164 1131        
16 A 1091 1059        
17 A 1041 1011        
18 A 913 887        
19 A 882 857        
20 A 746 724        
21 A 463 450        
22 A 364 354        
23 A 247 240        
24 A 99 97        

Unscaled Zero Point Vibrational Energy (zpe) 19235.9 cm-1
Scaled (by 0.9712) Zero Point Vibrational Energy (zpe) 18681.9 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 CCSD(T)=FULL/aug-cc-pVDZ
ABC
1.06939 0.29650 0.25621

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.308 -0.298 0.030
C2 0.077 0.565 -0.048
C3 -1.229 -0.248 0.035
H4 -2.114 0.410 -0.025
H5 -1.288 -0.977 -0.793
H6 -1.280 -0.808 0.986
H7 0.103 1.323 0.759
H8 0.081 1.145 -0.999
H9 2.285 0.133 0.272
H10 1.276 -1.342 -0.301

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50532.53713.49432.80662.80582.14692.15461.09491.0959
C21.50531.54082.19642.19052.19061.10761.11292.27262.2674
C32.53711.54081.10421.10531.10472.18312.17363.54222.7543
H43.49432.19641.10421.78791.78852.52252.51144.41733.8260
H52.80662.19051.10531.78791.78723.10432.53383.89002.6365
H62.80582.19061.10471.78851.78722.55053.09933.75562.9117
H72.14691.10762.18312.52253.10432.55051.76732.53253.0987
H82.15461.11292.17362.51142.53383.09931.76732.73782.8458
H91.09492.27263.54224.41733.89003.75562.53252.73781.8762
H101.09592.26742.75433.82602.63652.91173.09872.84581.8762

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 112.791 C1 C2 H7 109.567
C1 C2 H8 109.853 C2 C1 H9 121.052
C2 C1 H10 120.491 C2 C3 H4 111.210
C2 C3 H5 110.681 C2 C3 H6 110.717
C3 C2 H7 109.965 C3 C2 H8 108.923
H4 C3 H5 108.040 H4 C3 H6 108.132
H5 C3 H6 107.941 H7 C2 H8 105.480
H9 C1 H10 117.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability