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All results from a given calculation for C5H6 (Propellane)

using model chemistry: CCSD(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 CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-193.650619
Energy at 298.15K-193.657064
HF Energy-192.754088
Nuclear repulsion energy163.396212
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 CCSD(T)/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3138 3058        
2 A1' 1541 1502        
3 A1' 1141 1112        
4 A1' 918 895        
5 A1" 925 902        
6 A2' 3222 3141        
7 A2' 959 934        
8 A2" 1128 1099        
9 A2" 627 611        
10 E' 3224 3143        
10 E' 3224 3143        
11 E' 3133 3054        
11 E' 3133 3054        
12 E' 1496 1458        
12 E' 1495 1458        
13 E' 1219 1188        
13 E' 1218 1188        
14 E' 1105 1077        
14 E' 1105 1077        
15 E' 524 511        
15 E' 523 509        
16 E" 1155 1126        
16 E" 1155 1126        
17 E" 1079 1052        
17 E" 1079 1052        
18 E" 740 721        
18 E" 740 721        

Unscaled Zero Point Vibrational Energy (zpe) 20472.5 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 19956.6 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 CCSD(T)/cc-pVTZ
ABC
0.28754 0.28754 0.19434

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 0.797
C3 1.122 -0.648 0.000
C4 -1.122 -0.648 0.000
C5 0.000 0.000 -0.797
H6 0.917 1.873 0.000
H7 -0.917 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
C11.52142.24432.24431.52141.08391.08393.24262.52912.52913.2426
C21.52141.52141.52141.59452.23282.23282.23282.23282.23282.2328
C32.24431.52142.24431.52142.52913.24261.08391.08393.24262.5291
C42.24431.52142.24431.52143.24262.52912.52913.24261.08391.0839
C51.52141.59451.52141.52142.23282.23282.23282.23282.23282.2328
H61.08392.23282.52913.24262.23281.83493.61242.32663.61244.1615
H71.08392.23283.24262.52912.23281.83494.16153.61242.32663.6124
H83.24262.23281.08392.52912.23283.61244.16151.83493.61242.3266
H92.52912.23281.08393.24262.23282.32663.61241.83494.16153.6124
H102.52912.23283.24261.08392.23283.61242.32663.61244.16151.8349
H113.24262.23282.52911.08392.23284.16153.61242.32663.61241.8349

picture of Propellane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.053 C1 C2 C4 95.053
C1 C2 C5 58.397 C1 C5 C2 58.397
C1 C5 C3 95.053 C1 C5 C4 95.053
C2 C1 C5 63.206 C2 C1 H6 116.973
C2 C1 H7 116.973 C2 C3 C5 63.206
C2 C3 H8 116.973 C2 C3 H9 116.973
C2 C4 C5 63.206 C2 C4 H10 116.973
C2 C4 H11 116.973 C3 C2 C4 95.053
C3 C2 C5 58.397 C3 C5 C4 95.053
C4 C2 C5 58.397 C5 C1 H6 116.973
C5 C1 H7 116.973 C5 C3 H8 116.973
C5 C3 H9 116.973 C5 C4 H10 116.973
C5 C4 H11 116.973 H6 C1 H7 115.645
H8 C3 H9 115.645 H10 C4 H11 115.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability