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All results from a given calculation for C5H6 (Propellane)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-192.078649
Energy at 298.15K-192.084917
HF Energy-191.568361
Nuclear repulsion energy159.274707
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 QCISD/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' 3142 3020 0.00      
2 A1' 1570 1508 0.00      
3 A1' 1026 986 0.00      
4 A1' 936 899 0.00      
5 A1" 965 928 0.00      
6 A2' 3222 3096 0.00      
7 A2' 954 917 0.00      
8 A2" 1178 1132 52.08      
9 A2" 494 475 70.98      
10 E' 3227 3102 7.64      
10 E' 3227 3102 7.64      
11 E' 3136 3014 13.32      
11 E' 3136 3014 13.32      
12 E' 1529 1469 4.18      
12 E' 1529 1469 4.18      
13 E' 1164 1119 0.00      
13 E' 1164 1119 0.00      
14 E' 1038 997 1.23      
14 E' 1038 997 1.23      
15 E' 543 522 0.12      
15 E' 543 522 0.12      
16 E" 1165 1120 0.00      
16 E" 1165 1120 0.00      
17 E" 1132 1088 0.00      
17 E" 1132 1088 0.00      
18 E" 657 631 0.00      
18 E" 657 631 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20334.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 19543.9 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 QCISD/3-21G*
ABC
0.27113 0.27113 0.18867

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.317 0.000
C2 0.000 0.000 0.854
C3 1.141 -0.659 0.000
C4 -1.141 -0.659 0.000
C5 0.000 0.000 -0.854
H6 0.921 1.897 0.000
H7 -0.921 1.897 0.000
H8 1.182 -1.746 0.000
H9 2.104 -0.150 0.000
H10 -2.104 -0.150 0.000
H11 -1.182 -1.746 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.56972.28142.28141.56971.08871.08873.28372.56492.56493.2837
C21.56971.56971.56971.70792.27522.27522.27522.27522.27522.2752
C32.28141.56972.28141.56972.56493.28371.08871.08873.28372.5649
C42.28141.56972.28141.56973.28372.56492.56493.28371.08871.0887
C51.56971.70791.56971.56972.27522.27522.27522.27522.27522.2752
H61.08872.27522.56493.28372.27521.84293.65272.36413.65274.2070
H71.08872.27523.28372.56492.27521.84294.20703.65272.36413.6527
H83.28372.27521.08872.56492.27523.65274.20701.84293.65272.3641
H92.56492.27521.08873.28372.27522.36413.65271.84294.20703.6527
H102.56492.27523.28371.08872.27523.65272.36413.65274.20701.8429
H113.28372.27522.56491.08872.27524.20703.65272.36413.65271.8429

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 93.216 C1 C2 C4 93.216
C1 C2 C5 57.044 C1 C5 C2 57.044
C1 C5 C3 93.216 C1 C5 C4 93.216
C2 C1 C5 65.913 C2 C1 H6 116.542
C2 C1 H7 116.542 C2 C3 C5 65.913
C2 C3 H8 116.542 C2 C3 H9 116.542
C2 C4 C5 65.913 C2 C4 H10 116.542
C2 C4 H11 116.542 C3 C2 C4 93.216
C3 C2 C5 57.044 C3 C5 C4 93.216
C4 C2 C5 57.044 C5 C1 H6 116.542
C5 C1 H7 116.542 C5 C3 H8 116.542
C5 C3 H9 116.542 C5 C4 H10 116.542
C5 C4 H11 116.542 H6 C1 H7 115.643
H8 C3 H9 115.643 H10 C4 H11 115.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability