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All results from a given calculation for C5H6 (Propellane)

using model chemistry: QCISD(T)/cc-pVDZ

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(T)/cc-pVDZ
 hartrees
Energy at 0K-193.461772
Energy at 298.15K-193.468197
HF Energy-192.703228
Nuclear repulsion energy161.905163
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(T)/cc-pVDZ
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' 3138 2991        
2 A1' 1527 1456        
3 A1' 1136 1082        
4 A1' 908 866        
5 A1" 915 872        
6 A2' 3226 3075        
7 A2' 946 902        
8 A2" 1127 1074        
9 A2" 636 606        
10 E' 3230 3078        
10 E' 3229 3078        
11 E' 3134 2987        
11 E' 3133 2987        
12 E' 1480 1411        
12 E' 1480 1411        
13 E' 1211 1154        
13 E' 1211 1154        
14 E' 1099 1047        
14 E' 1098 1047        
15 E' 522 498        
15 E' 521 497        
16 E" 1144 1091        
16 E" 1144 1091        
17 E" 1073 1023        
17 E" 1073 1023        
18 E" 744 709        
18 E" 744 709        

Unscaled Zero Point Vibrational Energy (zpe) 20414.8 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 19457.4 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(T)/cc-pVDZ
ABC
0.28235 0.28235 0.19171

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.303 0.000
C2 0.000 0.000 0.810
C3 1.128 -0.651 0.000
C4 -1.128 -0.651 0.000
C5 0.000 0.000 -0.810
H6 0.928 1.891 0.000
H7 -0.928 1.891 0.000
H8 1.174 -1.749 0.000
H9 2.102 -0.142 0.000
H10 -2.102 -0.142 0.000
H11 -1.174 -1.749 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.53402.25652.25651.53401.09881.09883.26992.55032.55033.2699
C21.53401.53401.53401.61962.25672.25672.25672.25672.25672.2567
C32.25651.53402.25651.53402.55033.26991.09881.09883.26992.5503
C42.25651.53402.25651.53403.26992.55032.55033.26991.09881.0988
C51.53401.61961.53401.53402.25672.25672.25672.25672.25672.2567
H61.09882.25672.55033.26992.25671.85613.64852.34733.64854.2033
H71.09882.25673.26992.55032.25671.85614.20333.64852.34733.6485
H83.26992.25671.09882.55032.25673.64854.20331.85613.64852.3473
H92.55032.25671.09883.26992.25672.34733.64851.85614.20333.6485
H102.55032.25673.26991.09882.25673.64852.34733.64854.20331.8561
H113.26992.25672.55031.09882.25674.20333.64852.34733.64851.8561

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 94.701 C1 C2 C4 94.701
C1 C2 C5 58.135 C1 C5 C2 58.135
C1 C5 C3 94.701 C1 C5 C4 94.701
C2 C1 C5 63.730 C2 C1 H6 117.044
C2 C1 H7 117.044 C2 C3 C5 63.730
C2 C3 H8 117.044 C2 C3 H9 117.044
C2 C4 C5 63.730 C2 C4 H10 117.044
C2 C4 H11 117.044 C3 C2 C4 94.701
C3 C2 C5 58.135 C3 C5 C4 94.701
C4 C2 C5 58.135 C5 C1 H6 117.044
C5 C1 H7 117.044 C5 C3 H8 117.044
C5 C3 H9 117.044 C5 C4 H10 117.044
C5 C4 H11 117.044 H6 C1 H7 115.264
H8 C3 H9 115.264 H10 C4 H11 115.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability