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All results from a given calculation for C5H6 (Propellane)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-192.047292
Energy at 298.15K-192.053657
HF Energy-191.567427
Nuclear repulsion energy159.220101
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 MP2/3-21G
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' 3181 3037 0.00      
2 A1' 1589 1517 0.00      
3 A1' 1025 978 0.00      
4 A1' 941 899 0.00      
5 A1" 965 921 0.00      
6 A2' 3271 3123 0.00      
7 A2' 966 922 0.00      
8 A2" 1189 1135 64.90      
9 A2" 555 530 42.40      
10 E' 3277 3128 7.52      
10 E' 3277 3128 7.52      
11 E' 3177 3033 11.05      
11 E' 3177 3033 11.05      
12 E' 1546 1476 4.88      
12 E' 1546 1476 4.88      
13 E' 1168 1115 0.00      
13 E' 1168 1115 0.00      
14 E' 1036 989 0.60      
14 E' 1036 989 0.60      
15 E' 548 523 0.09      
15 E' 548 523 0.09      
16 E" 1168 1115 0.00      
16 E" 1168 1115 0.00      
17 E" 1140 1088 0.00      
17 E" 1140 1088 0.00      
18 E" 683 651 0.00      
18 E" 683 651 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20582.8 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 19646.3 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 MP2/3-21G
ABC
0.27047 0.27047 0.18982

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.313 0.000
C2 0.000 0.000 0.864
C3 1.137 -0.657 0.000
C4 -1.137 -0.657 0.000
C5 0.000 0.000 -0.864
H6 0.921 1.890 0.000
H7 -0.921 1.890 0.000
H8 1.176 -1.742 0.000
H9 2.097 -0.148 0.000
H10 -2.097 -0.148 0.000
H11 -1.176 -1.742 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.57212.27482.27481.57211.08601.08603.27392.55542.55543.2739
C21.57211.57211.57211.72832.27252.27252.27252.27252.27252.2725
C32.27481.57212.27481.57212.55543.27391.08601.08603.27392.5554
C42.27481.57212.27481.57213.27392.55542.55543.27391.08601.0860
C51.57211.72831.57211.57212.27252.27252.27252.27252.27252.2725
H61.08602.27252.55543.27392.27251.84113.64052.35223.64054.1933
H71.08602.27253.27392.55542.27251.84114.19333.64052.35223.6405
H83.27392.27251.08602.55542.27253.64054.19331.84113.64052.3522
H92.55542.27251.08603.27392.27252.35223.64051.84114.19333.6405
H102.55542.27253.27391.08602.27253.64052.35223.64054.19331.8411
H113.27392.27252.55541.08602.27254.19333.64052.35223.64051.8411

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 92.682 C1 C2 C4 92.682
C1 C2 C5 56.656 C1 C5 C2 56.656
C1 C5 C3 92.682 C1 C5 C4 92.682
C2 C1 C5 66.688 C2 C1 H6 116.308
C2 C1 H7 116.308 C2 C3 C5 66.688
C2 C3 H8 116.308 C2 C3 H9 116.308
C2 C4 C5 66.688 C2 C4 H10 116.308
C2 C4 H11 116.308 C3 C2 C4 92.682
C3 C2 C5 56.656 C3 C5 C4 92.682
C4 C2 C5 56.656 C5 C1 H6 116.308
C5 C1 H7 116.308 C5 C3 H8 116.308
C5 C3 H9 116.308 C5 C4 H10 116.308
C5 C4 H11 116.308 H6 C1 H7 115.917
H8 C3 H9 115.917 H10 C4 H11 115.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability