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: MP2=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-118.078270
Energy at 298.15K 
HF Energy-117.645245
Nuclear repulsion energy76.084735
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=FULL/6-31+G**
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 3366 3162 12.61      
2 A 3250 3053 15.79      
3 A 3220 3024 26.92      
4 A 3216 3020 33.80      
5 A 3150 2959 17.82      
6 A 3120 2930 26.66      
7 A 3064 2877 29.28      
8 A 1553 1459 4.00      
9 A 1546 1452 7.39      
10 A 1530 1437 0.26      
11 A 1522 1430 2.61      
12 A 1458 1369 2.80      
13 A 1403 1318 1.99      
14 A 1308 1228 0.18      
15 A 1217 1143 0.48      
16 A 1126 1058 0.13      
17 A 1087 1020 0.92      
18 A 948 891 1.27      
19 A 919 863 0.14      
20 A 777 730 0.94      
21 A 487 458 57.94      
22 A 375 352 6.14      
23 A 263 247 0.29      
24 A 155 145 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 20029.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 18811.4 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=FULL/6-31+G**
ABC
1.09609 0.30145 0.26209

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.295 -0.293 -0.040
C2 0.076 0.556 0.062
C3 -1.218 -0.247 -0.044
H4 -2.090 0.400 0.034
H5 -1.268 -0.770 -0.998
H6 -1.276 -0.990 0.750
H7 0.077 1.100 1.016
H8 0.100 1.324 -0.714
H9 2.238 0.120 -0.361
H10 1.305 -1.280 0.399

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48972.51383.45652.77752.77902.13012.12081.07831.0795
C21.48971.52682.17192.16522.16671.09741.09152.24582.2349
C32.51381.52681.08881.08871.08942.14822.15683.48982.7618
H43.45652.17191.08881.76321.76332.48032.49154.35513.8054
H52.77752.16521.08871.76321.76173.05922.51663.67262.9713
H62.77902.16671.08941.76331.76172.50423.06453.84932.6209
H72.13011.09742.14822.48033.05922.50421.74422.74272.7474
H82.12081.09152.15682.49152.51663.06451.74422.47883.0769
H91.07832.24583.48984.35513.67263.84932.74272.47881.8460
H101.07952.23492.76183.80542.97132.62092.74743.07691.8460

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 112.876 C1 C2 H7 109.917
C1 C2 H8 109.533 C2 C1 H9 121.143
C2 C1 H10 120.043 C2 C3 H4 111.165
C2 C3 H5 110.640 C2 C3 H6 110.709
C3 C2 H7 108.791 C3 C2 H8 109.809
H4 C3 H5 108.146 H4 C3 H6 108.100
H5 C3 H6 107.964 H7 C2 H8 105.661
H9 C1 H10 117.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability