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

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-20.835081
Energy at 298.15K 
HF Energy-20.488315
Nuclear repulsion energy44.233673
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-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 3312 3145 27.45      
2 A 3197 3035 22.11      
3 A 3187 3026 47.77      
4 A 3181 3020 45.62      
5 A 3138 2979 21.94      
6 A 3086 2930 30.42      
7 A 3053 2899 41.04      
8 A 1533 1455 4.61      
9 A 1527 1449 7.07      
10 A 1513 1436 0.51      
11 A 1499 1423 2.99      
12 A 1444 1371 2.76      
13 A 1384 1314 2.09      
14 A 1301 1236 0.37      
15 A 1199 1138 0.55      
16 A 1115 1058 0.12      
17 A 1078 1023 2.83      
18 A 933 886 2.33      
19 A 905 859 0.33      
20 A 764 726 1.96      
21 A 477 453 76.92      
22 A 366 347 6.22      
23 A 256 243 0.28      
24 A 159 151 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 19802.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 18800.2 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 MP2/CEP-31G*
ABC
1.05816 0.29360 0.25483

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.327 -0.304 -0.058
C2 0.093 0.569 0.075
C3 -1.219 -0.245 -0.053
H4 -2.101 0.413 0.048
H5 -1.270 -0.747 -1.035
H6 -1.275 -1.021 0.732
H7 0.102 1.089 1.057
H8 0.120 1.362 -0.695
H9 2.291 0.130 -0.343
H10 1.334 -1.309 0.379

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.51722.54633.50362.80952.81172.16372.15271.09501.0959
C21.51721.54872.19962.19552.19751.11091.10552.28052.2712
C32.54631.54871.10501.10441.10522.17992.18793.54182.7991
H43.50362.19961.10501.79131.79112.51542.52744.41883.8567
H52.80952.19551.10441.79131.78823.10252.54853.73213.0158
H62.81172.19751.10521.79111.78822.53933.10803.89802.6480
H72.16371.11092.17992.51543.10252.53931.77342.76992.7790
H82.15271.10552.18792.52742.54853.10801.77342.52053.1235
H91.09502.28053.54184.41883.73213.89802.76992.52051.8726
H101.09592.27122.79913.85673.01582.64802.77903.12351.8726

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 112.301 C1 C2 H7 109.866
C1 C2 H8 109.321 C2 C1 H9 120.764
C2 C1 H10 119.852 C2 C3 H4 110.860
C2 C3 H5 110.570 C2 C3 H6 110.680
C3 C2 H7 108.980 C3 C2 H8 109.911
H4 C3 H5 108.330 H4 C3 H6 108.257
H5 C3 H6 108.047 H7 C2 H8 106.282
H9 C1 H10 117.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability