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

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-117.279659
Energy at 298.15K 
HF Energy-116.981117
Nuclear repulsion energy74.958520
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 QCISD/3-21G*
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 3095 17.80      
2 A 3117 2996 13.64      
3 A 3095 2975 30.50      
4 A 3088 2968 34.92      
5 A 3038 2920 14.26      
6 A 3025 2907 19.22      
7 A 2962 2847 26.12      
8 A 1581 1519 3.59      
9 A 1576 1515 5.19      
10 A 1557 1496 2.11      
11 A 1516 1457 0.68      
12 A 1470 1413 2.68      
13 A 1398 1343 0.68      
14 A 1331 1280 0.27      
15 A 1211 1164 0.62      
16 A 1105 1062 1.46      
17 A 1041 1001 0.37      
18 A 949 912 1.92      
19 A 865 831 0.17      
20 A 781 750 2.13      
21 A 462 444 39.60      
22 A 376 362 7.31      
23 A 251 242 0.23      
24 A 121 117 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 19568.2 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 18807.0 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 QCISD/3-21G*
ABC
1.05220 0.29278 0.25439

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.314 -0.299 -0.037
C2 0.078 0.574 0.068
C3 -1.238 -0.257 -0.048
H4 -2.120 0.396 0.031
H5 -1.271 -0.778 -1.015
H6 -1.285 -1.008 0.753
H7 0.070 1.116 1.033
H8 0.098 1.341 -0.722
H9 2.255 0.099 -0.415
H10 1.328 -1.279 0.439

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.51752.55283.50422.80522.80852.16722.15371.08871.0898
C21.51751.56072.20512.19572.19851.10681.10132.27982.2658
C32.55281.56071.09951.09891.09992.18312.18893.52992.8043
H43.50422.20511.09951.78641.78582.51382.52554.40693.8540
H52.80522.19571.09891.78641.78363.09542.53923.68243.0197
H62.80852.19851.09991.78581.78362.53573.10013.88892.6455
H72.16721.10682.18312.51383.09542.53571.77042.81132.7694
H82.15371.10132.18892.52552.53923.10011.77042.50773.1185
H91.08872.27983.52994.40693.68243.88892.81132.50771.8678
H101.08982.26582.80433.85403.01972.64552.76943.11851.8678

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 112.044 C1 C2 H7 110.365
C1 C2 H8 109.623 C2 C1 H9 121.157
C2 C1 H10 119.792 C2 C3 H4 110.777
C2 C3 H5 110.081 C2 C3 H6 110.237
C3 C2 H7 108.650 C3 C2 H8 109.411
H4 C3 H5 108.695 H4 C3 H6 108.570
H5 C3 H6 108.421 H7 C2 H8 106.590
H9 C1 H10 118.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability