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All results from a given calculation for C5H6 (Propellane)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-31.141254
Energy at 298.15K-31.147600
HF Energy-30.667210
Nuclear repulsion energy82.146733
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/CEP-121G
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' 3080 3006 0.00      
2 A1' 1538 1501 0.00      
3 A1' 1058 1033 0.00      
4 A1' 885 864 0.00      
5 A1" 933 910 0.00      
6 A2' 3185 3108 0.00      
7 A2' 963 940 0.00      
8 A2" 1165 1137 48.53      
9 A2" 568 555 53.53      
10 E' 3191 3115 23.74      
10 E' 3191 3115 23.74      
11 E' 3075 3001 29.52      
11 E' 3075 3001 29.52      
12 E' 1503 1467 4.70      
12 E' 1503 1467 4.70      
13 E' 1166 1138 0.10      
13 E' 1166 1138 0.10      
14 E' 1043 1018 0.02      
14 E' 1043 1018 0.02      
15 E' 521 509 0.05      
15 E' 521 509 0.05      
16 E" 1147 1120 0.00      
16 E" 1147 1120 0.00      
17 E" 1111 1084 0.00      
17 E" 1111 1084 0.00      
18 E" 695 679 0.00      
18 E" 695 679 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20139.4 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 19656.0 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 MP2/CEP-121G
ABC
0.26579 0.26579 0.18581

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.327 0.000
C2 0.000 0.000 0.868
C3 1.150 -0.664 0.000
C4 -1.150 -0.664 0.000
C5 0.000 0.000 -0.868
H6 0.925 1.912 0.000
H7 -0.925 1.912 0.000
H8 1.193 -1.757 0.000
H9 2.119 -0.155 0.000
H10 -2.119 -0.155 0.000
H11 -1.193 -1.757 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.58582.29922.29921.58581.09461.09463.30772.58582.58583.3077
C21.58581.58581.58581.73502.29472.29472.29472.29472.29472.2947
C32.29921.58582.29921.58582.58583.30771.09461.09463.30772.5858
C42.29921.58582.29921.58583.30772.58582.58583.30771.09461.0946
C51.58581.73501.58581.58582.29472.29472.29472.29472.29472.2947
H61.09462.29472.58583.30772.29471.85043.67952.38703.67954.2374
H71.09462.29473.30772.58582.29471.85044.23743.67952.38703.6795
H83.30772.29471.09462.58582.29473.67954.23741.85043.67952.3870
H92.58582.29471.09463.30772.29472.38703.67951.85044.23743.6795
H102.58582.29473.30771.09462.29473.67952.38703.67954.23741.8504
H113.30772.29472.58581.09462.29474.23743.67952.38703.67951.8504

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 92.929 C1 C2 C4 92.929
C1 C2 C5 56.835 C1 C5 C2 56.835
C1 C5 C3 92.929 C1 C5 C4 92.929
C2 C1 C5 66.331 C2 C1 H6 116.569
C2 C1 H7 116.569 C2 C3 C5 66.331
C2 C3 H8 116.569 C2 C3 H9 116.569
C2 C4 C5 66.331 C2 C4 H10 116.569
C2 C4 H11 116.569 C3 C2 C4 92.929
C3 C2 C5 56.835 C3 C5 C4 92.929
C4 C2 C5 56.835 C5 C1 H6 116.569
C5 C1 H7 116.569 C5 C3 H8 116.569
C5 C3 H9 116.569 C5 C4 H10 116.569
C5 C4 H11 116.569 H6 C1 H7 115.405
H8 C3 H9 115.405 H10 C4 H11 115.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability