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 C5H6 (Propellane)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-190.653382
Energy at 298.15K-190.659839
HF Energy-190.331183
Nuclear repulsion energy159.283430
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3437 3055 0.00      
2 A1' 1695 1507 0.00      
3 A1' 1186 1054 0.00      
4 A1' 960 853 0.00      
5 A1" 1064 946 0.00      
6 A2' 3584 3186 0.00      
7 A2' 1020 906 0.00      
8 A2" 1302 1157 11.24      
9 A2" 804 715 24.45      
10 E' 3587 3189 0.10      
10 E' 3587 3189 0.10      
11 E' 3436 3054 0.04      
11 E' 3436 3054 0.04      
12 E' 1661 1476 1.17      
12 E' 1661 1476 1.17      
13 E' 1300 1155 0.25      
13 E' 1300 1155 0.25      
14 E' 1171 1041 1.74      
14 E' 1171 1041 1.74      
15 E' 558 496 0.15      
15 E' 558 496 0.15      
16 E" 1276 1135 0.00      
16 E" 1276 1135 0.00      
17 E" 1221 1086 0.00      
17 E" 1221 1086 0.00      
18 E" 897 798 0.00      
18 E" 897 798 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22632.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 20118.2 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=FULL/STO-3G
ABC
0.27101 0.27101 0.19193

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.300 0.000
C2 0.000 0.000 0.873
C3 1.126 -0.650 0.000
C4 -1.126 -0.650 0.000
C5 0.000 0.000 -0.873
H6 0.925 1.900 0.000
H7 -0.925 1.900 0.000
H8 1.183 -1.751 0.000
H9 2.108 -0.149 0.000
H10 -2.108 -0.149 0.000
H11 -1.183 -1.751 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.56582.25142.25141.56581.10241.10243.27222.55812.55813.2722
C21.56581.56581.56581.74582.28652.28652.28652.28652.28652.2865
C32.25141.56582.25141.56582.55813.27221.10241.10243.27222.5581
C42.25141.56582.25141.56583.27222.55812.55813.27221.10241.1024
C51.56581.74581.56581.56582.28652.28652.28652.28652.28652.2865
H61.10242.28652.55813.27222.28651.84923.66032.36683.66034.2160
H71.10242.28653.27222.55812.28651.84924.21603.66032.36683.6603
H83.27222.28651.10242.55812.28653.66034.21601.84923.66032.3668
H92.55812.28651.10243.27222.28652.36683.66031.84924.21603.6603
H102.55812.28653.27221.10242.28653.66032.36683.66034.21601.8492
H113.27222.28652.55811.10242.28654.21603.66032.36683.66031.8492

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 91.936 C1 C2 C4 91.936
C1 C2 C5 56.117 C1 C5 C2 56.117
C1 C5 C3 91.936 C1 C5 C4 91.936
C2 C1 C5 67.766 C2 C1 H6 116.881
C2 C1 H7 116.881 C2 C3 C5 67.766
C2 C3 H8 116.881 C2 C3 H9 116.881
C2 C4 C5 67.766 C2 C4 H10 116.881
C2 C4 H11 116.881 C3 C2 C4 91.936
C3 C2 C5 56.117 C3 C5 C4 91.936
C4 C2 C5 56.117 C5 C1 H6 116.881
C5 C1 H7 116.881 C5 C3 H8 116.881
C5 C3 H9 116.881 C5 C4 H10 116.881
C5 C4 H11 116.881 H6 C1 H7 114.001
H8 C3 H9 114.001 H10 C4 H11 114.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability