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All results from a given calculation for CH3CHCH (1-propenyl radical)

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-116.034535
Energy at 298.15K-116.038630
HF Energy-115.784062
Nuclear repulsion energy64.050466
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 CISD/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' 3291 3075 2.48      
2 A' 3169 2961 17.84      
3 A' 3110 2906 8.47      
4 A' 3087 2885 20.94      
5 A' 1721 1608 0.29      
6 A' 1594 1489 7.05      
7 A' 1500 1402 2.99      
8 A' 1372 1282 2.46      
9 A' 1168 1091 11.04      
10 A' 966 903 0.37      
11 A' 857 801 11.14      
12 A' 444 414 5.95      
13 A" 3140 2934 22.03      
14 A" 1593 1489 7.71      
15 A" 1149 1074 1.10      
16 A" 946 884 1.15      
17 A" 667 623 60.81      
18 A" 187 175 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14979.6 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 13997.0 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 CISD/3-21G*
ABC
1.87854 0.31663 0.28550

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.458 0.000
C2 1.306 0.346 0.000
C3 -0.975 -0.715 0.000
H4 -0.460 1.450 0.000
H5 2.138 1.035 0.000
H6 -0.430 -1.663 0.000
H7 -1.617 -0.678 0.887
H8 -1.617 -0.678 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.31051.52571.09332.21402.16412.16602.1660
C21.31052.51552.08261.08012.65473.22123.2212
C31.52572.51552.22583.57091.09291.09531.0953
H41.09332.08262.22582.63073.11292.57932.5793
H52.21401.08013.57092.63073.72424.22104.2210
H62.16412.65471.09293.11293.72421.77891.7789
H72.16603.22121.09532.57934.22101.77891.7732
H82.16603.22121.09532.57934.22101.77891.7732

picture of 1-propenyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 135.457 C1 C3 H6 110.375
C1 C3 H7 110.383 C1 C3 H8 110.383
C2 C1 C3 124.799 C2 C1 H4 119.804
C3 C1 H4 115.397 H6 C3 H7 108.773
H6 C3 H8 108.773 H7 C3 H8 108.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability