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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-229.792277
Energy at 298.15K-229.796613
HF Energy-229.255940
Nuclear repulsion energy187.611466
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/3-21G
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' 3165 3022 0.00      
2 A1' 1849 1765 0.00      
3 A1' 1549 1479 0.00      
4 A1' 745 711 0.00      
5 A1" 777 742 0.00      
6 A2' 3249 3103 0.00      
7 A2' 1143 1091 0.00      
8 A2' 528 504 0.00      
9 A2" 916 874 143.63      
10 A2" 192 183 7.81      
11 E' 3250 3103 9.21      
11 E' 3250 3103 9.21      
12 E' 3164 3021 7.04      
12 E' 3164 3021 7.04      
13 E' 1672 1596 5.28      
13 E' 1672 1596 5.28      
14 E' 1513 1445 6.80      
14 E' 1513 1445 6.80      
15 E' 1170 1117 7.71      
15 E' 1170 1117 7.71      
16 E' 761 727 5.83      
16 E' 761 727 5.83      
17 E' 231 221 0.21      
17 E' 231 221 0.21      
18 E" 907 866 0.00      
18 E" 907 866 0.00      
19 E" 767 733 0.00      
19 E" 767 733 0.00      
20 E" 271 259 0.00      
20 E" 271 259 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20762.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19824.4 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/3-21G
ABC
0.13534 0.13534 0.06767

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.850 0.000
C2 0.736 -0.425 0.000
C3 -0.736 -0.425 0.000
C4 0.000 2.186 0.000
C5 1.893 -1.093 0.000
C6 -1.893 -1.093 0.000
H7 -0.927 2.754 0.000
H8 0.927 2.754 0.000
H9 2.848 -0.574 0.000
H10 1.922 -2.179 0.000
H11 -1.922 -2.179 0.000
H12 -2.848 -0.574 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47271.47271.33582.71302.71302.11712.11713.18463.58773.58773.1846
C21.47271.47272.71301.33582.71303.58773.18462.11712.11713.18463.5877
C31.47271.47272.71302.71301.33583.18463.58773.58773.18462.11712.1171
C41.33582.71302.71303.78643.78641.08681.08683.96644.76974.76973.9664
C52.71301.33582.71303.78643.78644.76973.96641.08681.08683.96644.7697
C62.71302.71301.33583.78643.78643.96644.76974.76973.96641.08681.0868
H72.11713.58773.18461.08684.76973.96641.85345.03265.69645.03263.8430
H82.11713.18463.58771.08683.96644.76971.85343.84305.03265.69645.0326
H93.18462.11713.58773.96641.08684.76975.03263.84301.85345.03265.6964
H103.58772.11713.18464.76971.08683.96645.69645.03261.85343.84305.0326
H113.58773.18462.11714.76973.96641.08685.03265.69645.03263.84301.8534
H123.18463.58772.11713.96644.76971.08683.84305.03265.69645.03261.8534

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 121.494 C1 C4 H8 121.494
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.494
C2 C5 H10 121.494 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.494
C3 C6 H12 121.494 H7 C4 H8 117.012
H9 C5 H10 117.012 H11 C6 H12 117.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability