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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-228.077766
Energy at 298.15K-228.082076
HF Energy-227.705820
Nuclear repulsion energy186.304760
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 MP2=FULL/STO-3G
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' 3441 3058 0.00      
2 A1' 2035 1809 0.00      
3 A1' 1626 1445 0.00      
4 A1' 818 727 0.00      
5 A1" 840 747 0.00      
6 A2' 3591 3192 0.00      
7 A2' 1191 1059 0.00      
8 A2' 534 475 0.00      
9 A2" 945 840 44.41      
10 A2" 208 185 1.10      
11 E' 3591 3192 0.13      
11 E' 3591 3192 0.13      
12 E' 3439 3057 23.37      
12 E' 3439 3057 23.37      
13 E' 1791 1592 36.62      
13 E' 1791 1592 36.62      
14 E' 1591 1414 0.55      
14 E' 1591 1414 0.55      
15 E' 1236 1099 3.44      
15 E' 1236 1099 3.44      
16 E' 878 780 0.57      
16 E' 878 780 0.57      
17 E' 234 208 0.01      
17 E' 234 208 0.01      
18 E" 939 834 0.00      
18 E" 939 834 0.00      
19 E" 841 747 0.00      
19 E" 841 747 0.00      
20 E" 368 327 0.00      
20 E" 368 327 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22522.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 20019.9 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 MP2=FULL/STO-3G
ABC
0.13359 0.13359 0.06680

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.853 0.000
C2 0.739 -0.427 0.000
C3 -0.739 -0.427 0.000
C4 0.000 2.200 0.000
C5 1.905 -1.100 0.000
C6 -1.905 -1.100 0.000
H7 -0.938 2.775 0.000
H8 0.938 2.775 0.000
H9 2.873 -0.575 0.000
H10 1.934 -2.200 0.000
H11 -1.934 -2.200 0.000
H12 -2.873 -0.575 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47771.47771.34702.72872.72872.13902.13903.20823.61463.61463.2082
C21.47771.47772.72871.34702.72873.61463.20822.13902.13903.20823.6146
C31.47771.47772.72872.72871.34703.20823.61463.61463.20822.13902.1390
C41.34702.72872.72873.81083.81081.10061.10063.99444.80694.80693.9944
C52.72871.34702.72873.81083.81084.80693.99441.10061.10063.99444.8069
C62.72872.72871.34703.81083.81083.99444.80694.80693.99441.10061.1006
H72.13903.61463.20821.10064.80693.99441.87655.07445.74545.07443.8689
H82.13903.20823.61461.10063.99444.80691.87653.86895.07445.74545.0744
H93.20822.13903.61463.99441.10064.80695.07443.86891.87655.07445.7454
H103.61462.13903.20824.80691.10063.99445.74545.07441.87653.86895.0744
H113.61463.20822.13904.80693.99441.10065.07445.74545.07443.86891.8765
H123.20823.61462.13903.99444.80691.10063.86895.07445.74545.07441.8765

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 121.513 C1 C4 H8 121.513
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.513
C2 C5 H10 121.513 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.513
C3 C6 H12 121.513 H7 C4 H8 116.975
H9 C5 H10 116.975 H11 C6 H12 116.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability