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/SDD

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/SDD
 hartrees
Energy at 0K-193.042153
Energy at 298.15K-193.048468
HF Energy-192.575931
Nuclear repulsion energy157.831885
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/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3132 3023 0.00      
2 A1' 1556 1502 0.00      
3 A1' 1060 1023 0.00      
4 A1' 882 851 0.00      
5 A1" 926 894 0.00      
6 A2' 3227 3115 0.00      
7 A2' 974 940 0.00      
8 A2" 1161 1120 57.41      
9 A2" 570 551 56.59      
10 E' 3236 3123 21.67      
10 E' 3236 3123 21.67      
11 E' 3126 3017 33.67      
11 E' 3126 3017 33.67      
12 E' 1521 1468 7.71      
12 E' 1521 1468 7.71      
13 E' 1186 1145 0.53      
13 E' 1186 1145 0.53      
14 E' 1045 1009 0.02      
14 E' 1045 1009 0.02      
15 E' 531 512 0.00      
15 E' 531 512 0.00      
16 E" 1145 1105 0.00      
16 E" 1145 1105 0.00      
17 E" 1102 1064 0.00      
17 E" 1102 1064 0.00      
18 E" 697 673 0.00      
18 E" 697 673 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20332.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 19626.5 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/SDD
ABC
0.26605 0.26605 0.18553

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.328 0.000
C2 0.000 0.000 0.864
C3 1.150 -0.664 0.000
C4 -1.150 -0.664 0.000
C5 0.000 0.000 -0.864
H6 0.926 1.916 0.000
H7 -0.926 1.916 0.000
H8 1.196 -1.760 0.000
H9 2.122 -0.156 0.000
H10 -2.122 -0.156 0.000
H11 -1.196 -1.760 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.58452.30012.30011.58451.09671.09673.31132.58962.58963.3113
C21.58451.58451.58451.72872.29672.29672.29672.29672.29672.2967
C32.30011.58452.30011.58452.58963.31131.09671.09673.31132.5896
C42.30011.58452.30011.58453.31132.58962.58963.31131.09671.0967
C51.58451.72871.58451.58452.29672.29672.29672.29672.29672.2967
H61.09672.29672.58963.31132.29671.85163.68562.39273.68564.2442
H71.09672.29673.31132.58962.29671.85164.24423.68562.39273.6856
H83.31132.29671.09672.58962.29673.68564.24421.85163.68562.3927
H92.58962.29671.09673.31132.29672.39273.68561.85164.24423.6856
H102.58962.29673.31131.09672.29673.68562.39273.68564.24421.8516
H113.31132.29672.58961.09672.29674.24423.68562.39273.68561.8516

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 93.074 C1 C2 C4 93.074
C1 C2 C5 56.940 C1 C5 C2 56.940
C1 C5 C3 93.074 C1 C5 C4 93.074
C2 C1 C5 66.120 C2 C1 H6 116.700
C2 C1 H7 116.700 C2 C3 C5 66.120
C2 C3 H8 116.700 C2 C3 H9 116.700
C2 C4 C5 66.120 C2 C4 H10 116.700
C2 C4 H11 116.700 C3 C2 C4 93.074
C3 C2 C5 56.940 C3 C5 C4 93.074
C4 C2 C5 56.940 C5 C1 H6 116.700
C5 C1 H7 116.700 C5 C3 H8 116.700
C5 C3 H9 116.700 C5 C4 H10 116.700
C5 C4 H11 116.700 H6 C1 H7 115.162
H8 C3 H9 115.162 H10 C4 H11 115.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability