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All results from a given calculation for C5H6 (Propellane)

using model chemistry: MP4=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-192.105706
Energy at 298.15K-192.111935
HF Energy-191.566158
Nuclear repulsion energy158.589000
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 MP4=FULL/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' 3131 3065        
2 A1' 1563 1530        
3 A1' 999 978        
4 A1' 926 906        
5 A1" 956 935        
6 A2' 3216 3148        
7 A2' 946 926        
8 A2" 1167 1142        
9 A2" 487 476        
10 E' 3222 3154        
10 E' 3222 3153        
11 E' 3126 3060        
11 E' 3126 3060        
12 E' 1523 1490        
12 E' 1522 1490        
13 E' 1150 1126        
13 E' 1150 1126        
14 E' 1016 994        
14 E' 1015 994        
15 E' 536 525        
15 E' 535 524        
16 E" 1151 1126        
16 E" 1151 1126        
17 E" 1122 1098        
17 E" 1122 1098        
18 E" 650 636        
18 E" 650 636        

Unscaled Zero Point Vibrational Energy (zpe) 20188.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 19760.6 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 MP4=FULL/3-21G
ABC
0.26834 0.26834 0.18816

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.319 0.000
C2 0.000 0.000 0.867
C3 1.142 -0.660 0.000
C4 -1.142 -0.660 0.000
C5 0.000 0.000 -0.867
H6 0.923 1.899 0.000
H7 -0.923 1.899 0.000
H8 1.183 -1.748 0.000
H9 2.106 -0.150 0.000
H10 -2.106 -0.150 0.000
H11 -1.183 -1.748 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.57842.28482.28481.57841.08971.08973.28782.56762.56763.2878
C21.57841.57841.57841.73332.28202.28202.28202.28202.28202.2820
C32.28481.57842.28481.57842.56763.28781.08971.08973.28782.5676
C42.28481.57842.28481.57843.28782.56762.56763.28781.08971.0897
C51.57841.73331.57841.57842.28202.28202.28202.28202.28202.2820
H61.08972.28202.56763.28782.28201.84573.65642.36573.65644.2113
H71.08972.28203.28782.56762.28201.84574.21133.65642.36573.6564
H83.28782.28201.08972.56762.28203.65644.21131.84573.65642.3657
H92.56762.28201.08973.28782.28202.36573.65641.84574.21133.6564
H102.56762.28203.28781.08972.28203.65642.36573.65644.21131.8457
H113.28782.28202.56761.08972.28204.21133.65642.36573.65641.8457

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 92.737 C1 C2 C4 92.737
C1 C2 C5 56.696 C1 C5 C2 56.696
C1 C5 C3 92.737 C1 C5 C4 92.737
C2 C1 C5 66.609 C2 C1 H6 116.388
C2 C1 H7 116.388 C2 C3 C5 66.609
C2 C3 H8 116.388 C2 C3 H9 116.388
C2 C4 C5 66.609 C2 C4 H10 116.388
C2 C4 H11 116.388 C3 C2 C4 92.737
C3 C2 C5 56.696 C3 C5 C4 92.737
C4 C2 C5 56.696 C5 C1 H6 116.388
C5 C1 H7 116.388 C5 C3 H8 116.388
C5 C3 H9 116.388 C5 C4 H10 116.388
C5 C4 H11 116.388 H6 C1 H7 115.748
H8 C3 H9 115.748 H10 C4 H11 115.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability