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All results from a given calculation for C6H6 (Prismane)

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-231.394219
Energy at 298.15K-231.400883
HF Energy-230.513403
Nuclear repulsion energy219.779800
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)/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' 3276 3107        
2 A1' 1326 1258        
3 A1' 1133 1075        
4 A1' 962 912        
5 A1" 997 945        
6 A1" 652 618        
7 A2' 1026 973        
8 A2" 3267 3098        
9 A2" 1375 1304        
10 A2" 981 931        
11 E' 3261 3093        
11 E' 3260 3093        
12 E' 1294 1228        
12 E' 1294 1227        
13 E' 963 914        
13 E' 963 914        
14 E' 861 817        
14 E' 860 816        
15 E' 839 796        
15 E' 839 796        
16 E" 3249 3082        
16 E" 3249 3081        
17 E" 1193 1131        
17 E" 1192 1131        
18 E" 1036 983        
18 E" 1036 982        
19 E" 777 737        
19 E" 777 737        
20 E" 690 655        
20 E" 690 655        

Unscaled Zero Point Vibrational Energy (zpe) 21658.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 20543.0 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)/6-31G**
ABC
0.23129 0.17934 0.17934

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.881 0.779
C2 -0.763 -0.441 0.779
C3 0.763 -0.441 0.779
C4 0.000 0.881 -0.779
C5 0.763 -0.441 -0.779
C6 -0.763 -0.441 -0.779
H7 0.000 1.676 1.512
H8 -1.452 -0.838 1.512
H9 1.452 -0.838 1.512
H10 0.000 1.676 -1.512
H11 1.452 -0.838 -1.512
H12 -1.452 -0.838 -1.512

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.52611.52611.55872.18142.18141.08122.36642.36642.42533.21143.2114
C21.52611.52612.18142.18141.55872.36641.08122.36643.21143.21142.4253
C31.52611.52612.18141.55872.18142.36642.36641.08123.21142.42533.2114
C41.55872.18142.18141.52611.52612.42533.21143.21141.08122.36642.3664
C52.18142.18141.55871.52611.52613.21143.21142.42532.36641.08122.3664
C62.18141.55872.18141.52611.52613.21142.42533.21142.36642.36641.0812
H71.08122.36642.36642.42533.21143.21142.90332.90333.02394.19214.1921
H82.36641.08122.36643.21143.21142.42532.90332.90334.19214.19213.0239
H92.36642.36641.08123.21142.42533.21142.90332.90334.19213.02394.1921
H102.42533.21143.21141.08122.36642.36643.02394.19214.19212.90332.9033
H113.21143.21142.42532.36641.08122.36644.19214.19213.02392.90332.9033
H123.21142.42533.21142.36642.36641.08124.19213.02394.19212.90332.9033

picture of Prismane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 C6 90.000
C1 C2 H8 129.561 C1 C3 C2 60.000
C1 C3 C5 90.000 C1 C3 H9 129.561
C1 C4 C5 90.000 C1 C4 C6 90.000
C1 C4 H10 132.656 C2 C1 C3 60.000
C2 C1 C4 90.000 C2 C1 H7 129.561
C2 C3 C5 90.000 C2 C3 H9 129.561
C2 C6 C4 90.000 C2 C6 C5 90.000
C2 C6 H12 132.656 C3 C1 C4 90.000
C3 C1 H7 129.561 C3 C2 C6 90.000
C3 C2 H8 129.561 C3 C5 C4 90.000
C3 C5 C6 90.000 C3 C5 H11 132.656
C4 C1 H7 132.656 C4 C5 C6 60.000
C4 C5 H11 129.561 C4 C6 H12 129.561
C5 C3 H9 132.656 C5 C4 C6 60.000
C5 C4 H10 129.561 C5 C6 H12 129.561
C6 C2 H8 132.656 C6 C4 C5 60.000
C6 C4 H10 129.561 C6 C5 H11 129.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability