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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-231.531854
Energy at 298.15K-231.536442
HF Energy-230.581665
Nuclear repulsion energy190.106519
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/6-31G(2df,p)
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' 3215 3022 0.00      
2 A1' 1924 1809 0.00      
3 A1' 1494 1405 0.00      
4 A1' 801 753 0.00      
5 A1" 770 724 0.00      
6 A2' 3314 3115 0.00      
7 A2' 1114 1047 0.00      
8 A2' 507 477 0.00      
9 A2" 908 853 108.18      
10 A2" 219 205 5.00      
11 E' 3314 3115 1.98      
11 E' 3314 3115 1.98      
12 E' 3215 3021 1.42      
12 E' 3215 3021 1.42      
13 E' 1698 1596 8.62      
13 E' 1698 1596 8.62      
14 E' 1464 1376 9.02      
14 E' 1464 1376 9.02      
15 E' 1145 1076 1.98      
15 E' 1145 1076 1.98      
16 E' 818 769 3.79      
16 E' 818 769 3.79      
17 E' 224 211 0.01      
17 E' 224 211 0.01      
18 E" 903 849 0.00      
18 E" 903 849 0.00      
19 E" 788 740 0.00      
19 E" 788 740 0.00      
20 E" 352 331 0.00      
20 E" 352 331 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21054.0 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 19788.7 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/6-31G(2df,p)
ABC
0.13915 0.13915 0.06957

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.829 0.000
C2 0.718 -0.415 0.000
C3 -0.718 -0.415 0.000
C4 0.000 2.159 0.000
C5 1.869 -1.079 0.000
C6 -1.869 -1.079 0.000
H7 -0.926 2.716 0.000
H8 0.926 2.716 0.000
H9 2.815 -0.556 0.000
H10 1.889 -2.160 0.000
H11 -1.889 -2.160 0.000
H12 -2.815 -0.556 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.43641.43641.32932.67162.67162.10182.10183.13763.53633.53633.1376
C21.43641.43642.67161.32932.67163.53633.13762.10182.10183.13763.5363
C31.43641.43642.67162.67161.32933.13763.53633.53633.13762.10182.1018
C41.32932.67162.67163.73883.73881.08111.08113.91074.71384.71383.9107
C52.67161.32932.67163.73883.73884.71383.91071.08111.08113.91074.7138
C62.67162.67161.32933.73883.73883.91074.71384.71383.91071.08111.0811
H72.10183.53633.13761.08114.71383.91071.85274.97035.63064.97033.7779
H82.10183.13763.53631.08113.91074.71381.85273.77794.97035.63064.9703
H93.13762.10183.53633.91071.08114.71384.97033.77791.85274.97035.6306
H103.53632.10183.13764.71381.08113.91075.63064.97031.85273.77794.9703
H113.53633.13762.10184.71383.91071.08114.97035.63064.97033.77791.8527
H123.13763.53632.10183.91074.71381.08113.77794.97035.63064.97031.8527

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 121.037 C1 C4 H8 121.037
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.037
C2 C5 H10 121.037 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.037
C3 C6 H12 121.037 H7 C4 H8 117.927
H9 C5 H10 117.927 H11 C6 H12 117.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability