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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-229.796597
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 3001 0.00      
2 A1' 1849 1753 0.00      
3 A1' 1549 1469 0.00      
4 A1' 745 706 0.00      
5 A1" 777 736 0.00      
6 A2' 3249 3081 0.00      
7 A2' 1143 1083 0.00      
8 A2' 528 501 0.00      
9 A2" 916 868 143.63      
10 A2" 192 182 7.81      
11 E' 3250 3081 9.21      
11 E' 3250 3081 9.21      
12 E' 3164 3000 7.04      
12 E' 3164 3000 7.04      
13 E' 1672 1585 5.28      
13 E' 1672 1585 5.28      
14 E' 1513 1435 6.80      
14 E' 1513 1435 6.80      
15 E' 1170 1109 7.71      
15 E' 1170 1109 7.71      
16 E' 761 722 5.83      
16 E' 761 722 5.83      
17 E' 231 219 0.21      
17 E' 231 219 0.21      
18 E" 907 860 0.00      
18 E" 907 860 0.00      
19 E" 767 728 0.00      
19 E" 767 728 0.00      
20 E" 271 257 0.00      
20 E" 271 257 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20762.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 19683.2 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=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