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All results from a given calculation for C5H6 (Propellane)

using model chemistry: QCISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-193.380120
Energy at 298.15K-193.386652
HF Energy-192.689352
Nuclear repulsion energy163.670403
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/6-31G*
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' 3167 3016 0.00      
2 A1' 1585 1510 0.00      
3 A1' 1187 1130 0.00      
4 A1' 939 894 0.00      
5 A1" 942 897 0.00      
6 A2' 3242 3087 0.00      
7 A2' 993 946 0.00      
8 A2" 1161 1105 21.97      
9 A2" 655 624 121.07      
10 E' 3246 3091 12.70      
10 E' 3246 3091 12.70      
11 E' 3162 3011 21.18      
11 E' 3162 3011 21.18      
12 E' 1539 1466 1.63      
12 E' 1539 1466 1.63      
13 E' 1266 1206 1.20      
13 E' 1266 1206 1.20      
14 E' 1136 1081 1.09      
14 E' 1136 1081 1.09      
15 E' 551 525 0.23      
15 E' 551 525 0.23      
16 E" 1186 1130 0.00      
16 E" 1186 1130 0.00      
17 E" 1110 1057 0.00      
17 E" 1110 1057 0.00      
18 E" 771 734 0.00      
18 E" 771 734 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20902.3 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 19905.3 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 QCISD/6-31G*
ABC
0.28891 0.28891 0.19451

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.293 0.000
C2 0.000 0.000 0.791
C3 1.120 -0.646 0.000
C4 -1.120 -0.646 0.000
C5 0.000 0.000 -0.791
H6 0.917 1.881 0.000
H7 -0.917 1.881 0.000
H8 1.171 -1.735 0.000
H9 2.088 -0.146 0.000
H10 -2.088 -0.146 0.000
H11 -1.171 -1.735 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.51572.23952.23951.51571.08951.08953.24612.53572.53573.2461
C21.51571.51571.51571.58202.23722.23722.23722.23722.23722.2372
C32.23951.51572.23951.51572.53573.24611.08951.08953.24612.5357
C42.23951.51572.23951.51573.24612.53572.53573.24611.08951.0895
C51.51571.58201.51571.51572.23722.23722.23722.23722.23722.2372
H61.08952.23722.53573.24612.23721.83413.62472.34113.62474.1752
H71.08952.23723.24612.53572.23721.83414.17523.62472.34113.6247
H83.24612.23721.08952.53572.23723.62474.17521.83413.62472.3411
H92.53572.23721.08953.24612.23722.34113.62471.83414.17523.6247
H102.53572.23723.24611.08952.23723.62472.34113.62474.17521.8341
H113.24612.23722.53571.08952.23724.17523.62472.34113.62471.8341

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.251 C1 C2 C4 95.251
C1 C2 C5 58.544 C1 C5 C2 58.544
C1 C5 C3 95.251 C1 C5 C4 95.251
C2 C1 C5 62.912 C2 C1 H6 117.420
C2 C1 H7 117.420 C2 C3 C5 62.912
C2 C3 H8 117.420 C2 C3 H9 117.420
C2 C4 C5 62.912 C2 C4 H10 117.420
C2 C4 H11 117.420 C3 C2 C4 95.251
C3 C2 C5 58.544 C3 C5 C4 95.251
C4 C2 C5 58.544 C5 C1 H6 117.420
C5 C1 H7 117.420 C5 C3 H8 117.420
C5 C3 H9 117.420 C5 C4 H10 117.420
C5 C4 H11 117.420 H6 C1 H7 114.654
H8 C3 H9 114.654 H10 C4 H11 114.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability