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: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-193.530701
Energy at 298.15K-193.537225
HF Energy-192.712779
Nuclear repulsion energy163.793867
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 CCSD/6-31G(2df,p)
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' 3186 3012 0.00      
2 A1' 1565 1480 0.00      
3 A1' 1176 1112 0.00      
4 A1' 941 890 0.00      
5 A1" 939 888 0.00      
6 A2' 3268 3090 0.00      
7 A2' 970 917 0.00      
8 A2" 1154 1091 17.12      
9 A2" 648 613 128.39      
10 E' 3272 3094 7.08      
10 E' 3272 3094 7.08      
11 E' 3181 3007 17.50      
11 E' 3181 3007 17.50      
12 E' 1516 1434 1.51      
12 E' 1516 1434 1.51      
13 E' 1256 1188 1.97      
13 E' 1256 1188 1.97      
14 E' 1127 1066 1.09      
14 E' 1127 1066 1.09      
15 E' 539 509 0.18      
15 E' 539 509 0.18      
16 E" 1184 1119 0.00      
16 E" 1184 1119 0.00      
17 E" 1104 1043 0.00      
17 E" 1104 1043 0.00      
18 E" 769 727 0.00      
18 E" 769 727 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20870.1 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 19732.7 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 CCSD/6-31G(2df,p)
ABC
0.28916 0.28916 0.19478

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.293 0.000
C2 0.000 0.000 0.791
C3 1.120 -0.647 0.000
C4 -1.120 -0.647 0.000
C5 0.000 0.000 -0.791
H6 0.915 1.875 0.000
H7 -0.915 1.875 0.000
H8 1.166 -1.730 0.000
H9 2.081 -0.145 0.000
H10 -2.081 -0.145 0.000
H11 -1.166 -1.730 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.51632.24032.24031.51631.08441.08443.24062.52982.52983.2406
C21.51631.51631.51631.58252.23132.23132.23132.23132.23132.2313
C32.24031.51632.24031.51632.52983.24061.08441.08443.24062.5298
C42.24031.51632.24031.51633.24062.52982.52983.24061.08441.0844
C51.51631.58251.51631.51632.23132.23132.23132.23132.23132.2313
H61.08442.23132.52983.24062.23131.83083.61362.33183.61364.1626
H71.08442.23133.24062.52982.23131.83084.16263.61362.33183.6136
H83.24062.23131.08442.52982.23133.61364.16261.83083.61362.3318
H92.52982.23131.08443.24062.23132.33183.61361.83084.16263.6136
H102.52982.23133.24061.08442.23133.61362.33183.61364.16261.8308
H113.24062.23132.52981.08442.23134.16263.61362.33183.61361.8308

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.252 C1 C2 C4 95.252
C1 C2 C5 58.545 C1 C5 C2 58.545
C1 C5 C3 95.252 C1 C5 C4 95.252
C2 C1 C5 62.911 C2 C1 H6 117.213
C2 C1 H7 117.213 C2 C3 C5 62.911
C2 C3 H8 117.213 C2 C3 H9 117.213
C2 C4 C5 62.911 C2 C4 H10 117.213
C2 C4 H11 117.213 C3 C2 C4 95.252
C3 C2 C5 58.545 C3 C5 C4 95.252
C4 C2 C5 58.545 C5 C1 H6 117.213
C5 C1 H7 117.213 C5 C3 H8 117.213
C5 C3 H9 117.213 C5 C4 H10 117.213
C5 C4 H11 117.213 H6 C1 H7 115.165
H8 C3 H9 115.165 H10 C4 H11 115.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability