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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-20.699014
Energy at 298.15K 
HF Energy-20.447830
Nuclear repulsion energy44.003383
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/CEP-121G
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 3220 3143 30.69      
2 A 3092 3018 25.92      
3 A 3074 3000 51.91      
4 A 3069 2995 61.27      
5 A 3013 2941 24.78      
6 A 2965 2894 35.91      
7 A 2929 2858 50.32      
8 A 1533 1496 4.88      
9 A 1524 1488 6.84      
10 A 1513 1476 1.15      
11 A 1495 1459 0.81      
12 A 1445 1411 2.70      
13 A 1388 1354 2.18      
14 A 1284 1253 0.12      
15 A 1205 1176 0.43      
16 A 1090 1064 0.40      
17 A 1068 1042 1.08      
18 A 922 900 1.30      
19 A 883 862 0.19      
20 A 766 748 1.23      
21 A 473 462 55.75      
22 A 358 349 7.40      
23 A 240 234 0.19      
24 A 140 137 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 19343.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 18879.5 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/CEP-121G
ABC
1.04840 0.28769 0.25053

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.344 -0.300 -0.044
C2 0.094 0.573 0.083
C3 -1.232 -0.250 -0.058
H4 -2.113 0.408 0.038
H5 -1.272 -0.745 -1.043
H6 -1.294 -1.028 0.723
H7 0.087 1.093 1.065
H8 0.122 1.363 -0.690
H9 2.284 0.112 -0.420
H10 1.364 -1.296 0.407

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.52982.57633.52922.83552.84162.17902.16231.09271.0940
C21.52981.56712.21352.20732.21331.11111.10532.29362.2836
C32.57631.56711.10341.10301.10402.19242.19853.55262.8378
H43.52922.21351.10341.78971.78902.52332.53704.43023.8900
H52.83552.20731.10301.78971.78843.10992.55193.71033.0593
H62.84162.21331.10401.78901.78842.55443.11703.92452.6905
H72.17901.11112.19242.52333.10992.55441.77542.82682.7883
H82.16231.10532.19852.53702.55193.11701.77542.51253.1336
H91.09272.29363.55264.43023.71033.92452.82682.51251.8736
H101.09402.28362.83783.89003.05932.69052.78833.13361.8736

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 112.583 C1 C2 H7 110.188
C1 C2 H8 109.223 C2 C1 H9 121.091
C2 C1 H10 120.082 C2 C3 H4 110.772
C2 C3 H5 110.306 C2 C3 H6 110.723
C3 C2 H7 108.700 C3 C2 H8 109.499
H4 C3 H5 108.419 H4 C3 H6 108.280
H5 C3 H6 108.257 H7 C2 H8 106.460
H9 C1 H10 117.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability