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All results from a given calculation for C5H6 (Propellane)

using model chemistry: CCSD(T)/TZVP

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(T)/TZVP
 hartrees
Energy at 0K-193.532847
Energy at 298.15K-193.539300
HF Energy-192.745395
Nuclear repulsion energy163.250334
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(T)/TZVP
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' 3146 3028        
2 A1' 1559 1500        
3 A1' 1136 1094        
4 A1' 905 871        
5 A1" 933 898        
6 A2' 3230 3109        
7 A2' 975 939        
8 A2" 1132 1090        
9 A2" 621 598        
10 E' 3233 3112        
10 E' 3233 3112        
11 E' 3141 3023        
11 E' 3141 3023        
12 E' 1512 1455        
12 E' 1511 1455        
13 E' 1224 1178        
13 E' 1223 1177        
14 E' 1108 1067        
14 E' 1108 1067        
15 E' 536 516        
15 E' 535 515        
16 E" 1156 1112        
16 E" 1156 1112        
17 E" 1083 1043        
17 E" 1083 1043        
18 E" 733 705        
18 E" 732 705        

Unscaled Zero Point Vibrational Energy (zpe) 20542.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19772.5 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 CCSD(T)/TZVP
ABC
0.28701 0.28701 0.19427

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.295 0.000
C2 0.000 0.000 0.800
C3 1.122 -0.648 0.000
C4 -1.122 -0.648 0.000
C5 0.000 0.000 -0.800
H6 0.918 1.875 0.000
H7 -0.918 1.875 0.000
H8 1.165 -1.733 0.000
H9 2.083 -0.143 0.000
H10 -2.083 -0.143 0.000
H11 -1.165 -1.733 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.52242.24372.24371.52241.08571.08573.24442.53142.53143.2444
C21.52241.52241.52241.59942.23592.23592.23592.23592.23592.2359
C32.24371.52242.24371.52242.53143.24441.08571.08573.24442.5314
C42.24371.52242.24371.52243.24442.53142.53143.24441.08571.0857
C51.52241.59941.52241.52242.23592.23592.23592.23592.23592.2359
H61.08572.23592.53143.24442.23591.83563.61642.33053.61644.1661
H71.08572.23593.24442.53142.23591.83564.16613.61642.33053.6164
H83.24442.23591.08572.53142.23593.61644.16611.83563.61642.3305
H92.53142.23591.08573.24442.23592.33053.61641.83564.16613.6164
H102.53142.23593.24441.08572.23593.61642.33053.61644.16611.8356
H113.24442.23592.53141.08572.23594.16613.61642.33053.61641.8356

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 94.938 C1 C2 C4 94.938
C1 C2 C5 58.311 C1 C5 C2 58.311
C1 C5 C3 94.938 C1 C5 C4 94.938
C2 C1 C5 63.378 C2 C1 H6 117.037
C2 C1 H7 117.037 C2 C3 C5 63.378
C2 C3 H8 117.037 C2 C3 H9 117.037
C2 C4 C5 63.378 C2 C4 H10 117.037
C2 C4 H11 117.037 C3 C2 C4 94.938
C3 C2 C5 58.311 C3 C5 C4 94.938
C4 C2 C5 58.311 C5 C1 H6 117.037
C5 C1 H7 117.037 C5 C3 H8 117.037
C5 C3 H9 117.037 C5 C4 H10 117.037
C5 C4 H11 117.037 H6 C1 H7 115.418
H8 C3 H9 115.418 H10 C4 H11 115.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability