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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-231.429146
Energy at 298.15K-231.433449
HF Energy-230.604825
Nuclear repulsion energy188.703423
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 MP2/6-311G**
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' 3178 3020 0.00      
2 A1' 1890 1796 0.00      
3 A1' 1483 1409 0.00      
4 A1' 790 751 0.00      
5 A1" 749 712 0.00      
6 A2' 3279 3116 0.00      
7 A2' 1089 1035 0.00      
8 A2' 489 465 0.00      
9 A2" 847 805 119.05      
10 A2" 196 187 7.18      
11 E' 3279 3116 5.95      
11 E' 3279 3116 5.95      
12 E' 3177 3019 5.53      
12 E' 3177 3019 5.53      
13 E' 1669 1586 6.11      
13 E' 1669 1586 6.11      
14 E' 1450 1378 9.16      
14 E' 1450 1378 9.16      
15 E' 1126 1070 1.77      
15 E' 1126 1070 1.77      
16 E' 801 762 4.46      
16 E' 801 762 4.46      
17 E' 218 207 0.03      
17 E' 218 207 0.03      
18 E" 839 797 0.00      
18 E" 839 797 0.00      
19 E" 746 709 0.00      
19 E" 746 709 0.00      
20 E" 299 284 0.00      
20 E" 299 284 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20599.0 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 19573.2 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 MP2/6-311G**
ABC
0.13703 0.13703 0.06851

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.836 0.000
C2 0.724 -0.418 0.000
C3 -0.724 -0.418 0.000
C4 0.000 2.176 0.000
C5 1.885 -1.088 0.000
C6 -1.885 -1.088 0.000
H7 -0.932 2.732 0.000
H8 0.932 2.732 0.000
H9 2.832 -0.558 0.000
H10 1.900 -2.174 0.000
H11 -1.900 -2.174 0.000
H12 -2.832 -0.558 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44771.44771.34052.69332.69332.11302.11303.15683.55883.55883.1568
C21.44771.44772.69331.34052.69333.55883.15682.11302.11303.15683.5588
C31.44771.44772.69332.69331.34053.15683.55883.55883.15682.11302.1130
C41.34052.69332.69333.76953.76951.08551.08553.93704.74664.74663.9370
C52.69331.34052.69333.76953.76954.74663.93701.08551.08553.93704.7466
C62.69332.69331.34053.76953.76953.93704.74664.74663.93701.08551.0855
H72.11303.55883.15681.08554.74663.93701.86494.99995.66444.99993.7994
H82.11303.15683.55881.08553.93704.74661.86493.79944.99995.66444.9999
H93.15682.11303.55883.93701.08554.74664.99993.79941.86494.99995.6644
H103.55882.11303.15684.74661.08553.93705.66444.99991.86493.79944.9999
H113.55883.15682.11304.74663.93701.08554.99995.66444.99993.79941.8649
H123.15683.55882.11303.93704.74661.08553.79944.99995.66444.99991.8649

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 120.791 C1 C4 H8 120.791
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 120.791
C2 C5 H10 120.791 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 120.791
C3 C6 H12 120.791 H7 C4 H8 118.418
H9 C5 H10 118.418 H11 C6 H12 118.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability