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All results from a given calculation for C5H6 (Propellane)

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

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-pVTZ
 hartrees
Energy at 0K-193.651256
Energy at 298.15K-193.657696
HF Energy-192.754024
Nuclear repulsion energy163.368799
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-pVTZ
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' 3136 2975        
2 A1' 1540 1461        
3 A1' 1139 1081        
4 A1' 917 870        
5 A1" 925 878        
6 A2' 3221 3055        
7 A2' 958 909        
8 A2" 1127 1069        
9 A2" 625 593        
10 E' 3223 3058        
10 E' 3223 3058        
11 E' 3132 2971        
11 E' 3132 2971        
12 E' 1495 1418        
12 E' 1495 1418        
13 E' 1218 1155        
13 E' 1217 1155        
14 E' 1104 1048        
14 E' 1104 1048        
15 E' 523 497        
15 E' 522 496        
16 E" 1154 1095        
16 E" 1154 1095        
17 E" 1078 1023        
17 E" 1078 1023        
18 E" 739 701        
18 E" 739 701        

Unscaled Zero Point Vibrational Energy (zpe) 20460.6 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 19408.9 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(T)/cc-pVTZ
ABC
0.28744 0.28744 0.19431

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.296 0.000
C2 0.000 0.000 0.798
C3 1.122 -0.648 0.000
C4 -1.122 -0.648 0.000
C5 0.000 0.000 -0.798
H6 0.918 1.873 0.000
H7 -0.918 1.873 0.000
H8 1.163 -1.731 0.000
H9 2.081 -0.142 0.000
H10 -2.081 -0.142 0.000
H11 -1.163 -1.731 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.52172.24442.24441.52171.08401.08403.24282.52932.52933.2428
C21.52171.52171.52171.59532.23312.23312.23312.23312.23312.2331
C32.24441.52172.24441.52172.52933.24281.08401.08403.24282.5293
C42.24441.52172.24441.52173.24282.52932.52933.24281.08401.0840
C51.52171.59531.52171.52172.23312.23312.23312.23312.23312.2331
H61.08402.23312.52933.24282.23311.83503.61262.32683.61264.1618
H71.08402.23313.24282.52932.23311.83504.16183.61262.32683.6126
H83.24282.23311.08402.52932.23313.61264.16181.83503.61262.3268
H92.52932.23311.08403.24282.23312.32683.61261.83504.16183.6126
H102.52932.23313.24281.08402.23313.61262.32683.61264.16181.8350
H113.24282.23312.52931.08402.23314.16183.61262.32683.61261.8350

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.037 C1 C2 C4 95.037
C1 C2 C5 58.385 C1 C5 C2 58.385
C1 C5 C3 95.037 C1 C5 C4 95.037
C2 C1 C5 63.231 C2 C1 H6 116.969
C2 C1 H7 116.969 C2 C3 C5 63.231
C2 C3 H8 116.969 C2 C3 H9 116.969
C2 C4 C5 63.231 C2 C4 H10 116.969
C2 C4 H11 116.969 C3 C2 C4 95.037
C3 C2 C5 58.385 C3 C5 C4 95.037
C4 C2 C5 58.385 C5 C1 H6 116.969
C5 C1 H7 116.969 C5 C3 H8 116.969
C5 C3 H9 116.969 C5 C4 H10 116.969
C5 C4 H11 116.969 H6 C1 H7 115.645
H8 C3 H9 115.645 H10 C4 H11 115.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability