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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP4/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-231.440988
Energy at 298.15K-231.445342
HF Energy-230.568342
Nuclear repulsion energy186.663740
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 MP4/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' 3155 3050        
2 A1' 1860 1798        
3 A1' 1468 1419        
4 A1' 777 752        
5 A1" 729 705        
6 A2' 3257 3150        
7 A2' 1085 1049        
8 A2' 488 472        
9 A2" 859 831        
10 A2" 202 195        
11 E' 3258 3150        
11 E' 3258 3150        
12 E' 3155 3050        
12 E' 3154 3050        
13 E' 1655 1600        
13 E' 1654 1600        
14 E' 1432 1385        
14 E' 1432 1385        
15 E' 1117 1080        
15 E' 1117 1080        
16 E' 787 761        
16 E' 787 761        
17 E' 215 208        
17 E' 215 208        
18 E" 853 825        
18 E" 853 824        
19 E" 743 719        
19 E" 743 719        
20 E" 330 319        
20 E" 329 319        

Unscaled Zero Point Vibrational Energy (zpe) 20483.1 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 19805.1 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 MP4/cc-pVDZ
ABC
0.13408 0.13408 0.06704

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.846 0.000
C2 0.733 -0.423 0.000
C3 -0.733 -0.423 0.000
C4 0.000 2.200 0.000
C5 1.905 -1.100 0.000
C6 -1.905 -1.100 0.000
H7 -0.942 2.762 0.000
H8 0.942 2.762 0.000
H9 2.863 -0.565 0.000
H10 1.921 -2.197 0.000
H11 -1.921 -2.197 0.000
H12 -2.863 -0.565 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46501.46501.35392.72302.72302.13562.13563.19213.59863.59863.1921
C21.46501.46502.72301.35392.72303.59863.19212.13562.13563.19213.5986
C31.46501.46502.72302.72301.35393.19213.59863.59863.19212.13562.1356
C41.35392.72302.72303.81003.81001.09731.09733.98044.79824.79823.9804
C52.72301.35392.72303.81003.81004.79823.98041.09731.09733.98044.7982
C62.72302.72301.35393.81003.81003.98044.79824.79823.98041.09731.0973
H72.13563.59863.19211.09734.79823.98041.88425.05515.72665.05513.8424
H82.13563.19213.59861.09733.98044.79821.88423.84245.05515.72665.0551
H93.19212.13563.59863.98041.09734.79825.05513.84241.88425.05515.7266
H103.59862.13563.19214.79821.09733.98045.72665.05511.88423.84245.0551
H113.59863.19212.13564.79823.98041.09735.05515.72665.05513.84241.8842
H123.19213.59862.13563.98044.79821.09733.84245.05515.72665.05511.8842

picture of Trimethylenecycopropane 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 C5 150.000
C1 C3 C2 60.000 C1 C3 C6 150.000
C1 C4 H7 120.846 C1 C4 H8 120.846
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 120.846
C2 C5 H10 120.846 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 120.846
C3 C6 H12 120.846 H7 C4 H8 118.307
H9 C5 H10 118.307 H11 C6 H12 118.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability