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: CID/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 CID/6-31G
 hartrees
Energy at 0K-117.854196
Energy at 298.15K 
HF Energy-117.585932
Nuclear repulsion energy75.251710
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 CID/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 3300 3086 24.13      
2 A 3194 2987 16.52      
3 A 3155 2950 40.14      
4 A 3150 2946 47.10      
5 A 3081 2882 19.28      
6 A 3078 2878 32.31      
7 A 3014 2819 39.03      
8 A 1586 1483 4.70      
9 A 1580 1478 5.87      
10 A 1572 1470 1.20      
11 A 1539 1439 0.63      
12 A 1498 1401 2.76      
13 A 1440 1347 1.36      
14 A 1342 1255 0.19      
15 A 1236 1156 0.55      
16 A 1130 1056 0.78      
17 A 1114 1042 0.57      
18 A 967 904 1.66      
19 A 911 852 0.13      
20 A 804 752 1.25      
21 A 479 448 44.02      
22 A 383 359 5.41      
23 A 251 235 0.07      
24 A 124 116 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 19963.7 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 18670.0 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 CID/6-31G
ABC
1.07521 0.29406 0.25531

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.314 -0.296 -0.034
C2 0.076 0.564 0.059
C3 -1.234 -0.251 -0.041
H4 -2.111 0.405 0.030
H5 -1.284 -0.787 -0.997
H6 -1.295 -0.991 0.766
H7 0.074 1.128 1.010
H8 0.097 1.323 -0.736
H9 2.267 0.124 -0.344
H10 1.314 -1.306 0.368

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50992.54893.49682.81402.81672.15712.14401.08631.0874
C21.50991.54642.19352.18862.19101.10511.10012.27052.2637
C32.54891.54641.09701.09691.09782.17172.17563.53432.7887
H43.49682.19351.09701.77721.77682.50162.51144.40313.8437
H52.81402.18861.09691.77721.77553.08802.53533.72372.9806
H62.81672.19101.09781.77681.77552.53463.09123.89452.6584
H72.15711.10512.17172.50163.08802.53461.75712.76552.8058
H82.14401.10012.17562.51142.53533.09121.75712.51053.1010
H91.08632.27053.53434.40313.72373.89452.76552.51051.8600
H101.08742.26372.78873.84372.98062.65842.80583.10101.8600

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 113.014 C1 C2 H7 110.192
C1 C2 H8 109.458 C2 C1 H9 121.116
C2 C1 H10 120.410 C2 C3 H4 111.017
C2 C3 H5 110.634 C2 C3 H6 110.770
C3 C2 H7 108.836 C3 C2 H8 109.423
H4 C3 H5 108.205 H4 C3 H6 108.107
H5 C3 H6 107.995 H7 C2 H8 105.650
H9 C1 H10 117.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability