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All results from a given calculation for C5H6 (Propellane)

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-193.430660
Energy at 298.15K-193.437137
HF Energy-192.704783
Nuclear repulsion energy162.456107
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/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' 3161 3032 0.00      
2 A1' 1543 1481 0.00      
3 A1' 1164 1117 0.00      
4 A1' 926 888 0.00      
5 A1" 925 887 0.00      
6 A2' 3246 3115 0.00      
7 A2' 957 919 0.00      
8 A2" 1140 1093 17.98      
9 A2" 639 613 121.45      
10 E' 3251 3119 10.07      
10 E' 3251 3119 10.07      
11 E' 3155 3027 20.23      
11 E' 3155 3027 20.23      
12 E' 1496 1435 1.24      
12 E' 1496 1435 1.24      
13 E' 1236 1186 1.75      
13 E' 1236 1186 1.75      
14 E' 1113 1067 0.73      
14 E' 1113 1067 0.73      
15 E' 530 508 0.19      
15 E' 530 508 0.19      
16 E" 1161 1114 0.00      
16 E" 1161 1114 0.00      
17 E" 1088 1043 0.00      
17 E" 1088 1043 0.00      
18 E" 755 725 0.00      
18 E" 755 725 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20634.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 19796.7 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/cc-pVDZ
ABC
0.28451 0.28451 0.19229

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.301 0.000
C2 0.000 0.000 0.801
C3 1.127 -0.650 0.000
C4 -1.127 -0.650 0.000
C5 0.000 0.000 -0.801
H6 0.926 1.889 0.000
H7 -0.926 1.889 0.000
H8 1.172 -1.746 0.000
H9 2.099 -0.142 0.000
H10 -2.099 -0.142 0.000
H11 -1.172 -1.746 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.52792.25312.25311.52791.09681.09683.26492.54682.54683.2649
C21.52791.52791.52791.60292.25092.25092.25092.25092.25092.2509
C32.25311.52792.25311.52792.54683.26491.09681.09683.26492.5468
C42.25311.52792.25311.52793.26492.54682.54683.26491.09681.0968
C51.52791.60291.52791.52792.25092.25092.25092.25092.25092.2509
H61.09682.25092.54683.26492.25091.85213.64312.34503.64314.1971
H71.09682.25093.26492.54682.25091.85214.19713.64312.34503.6431
H83.26492.25091.09682.54682.25093.64314.19711.85213.64312.3450
H92.54682.25091.09683.26492.25092.34503.64311.85214.19713.6431
H102.54682.25093.26491.09682.25093.64312.34503.64314.19711.8521
H113.26492.25092.54681.09682.25094.19713.64312.34503.64311.8521

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.007 C1 C2 C4 95.007
C1 C2 C5 58.362 C1 C5 C2 58.362
C1 C5 C3 95.007 C1 C5 C4 95.007
C2 C1 C5 63.275 C2 C1 H6 117.142
C2 C1 H7 117.142 C2 C3 C5 63.275
C2 C3 H8 117.142 C2 C3 H9 117.142
C2 C4 C5 63.275 C2 C4 H10 117.142
C2 C4 H11 117.142 C3 C2 C4 95.007
C3 C2 C5 58.362 C3 C5 C4 95.007
C4 C2 C5 58.362 C5 C1 H6 117.142
C5 C1 H7 117.142 C5 C3 H8 117.142
C5 C3 H9 117.142 C5 C4 H10 117.142
C5 C4 H11 117.142 H6 C1 H7 115.200
H8 C3 H9 115.200 H10 C4 H11 115.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability