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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-231.370372
Energy at 298.15K-231.374522
HF Energy-230.572313
Nuclear repulsion energy188.804919
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 MP2/6-31+G**
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' 3226 3034 0.00      
2 A1' 1898 1785 0.00      
3 A1' 1510 1420 0.00      
4 A1' 800 752 0.00      
5 A1" 745 701 0.00      
6 A2' 3329 3131 0.00      
7 A2' 1112 1046 0.00      
8 A2' 506 476 0.00      
9 A2" 858 807 152.25      
10 A2" 164 155 8.56      
11 E' 3329 3131 6.02      
11 E' 3329 3131 6.02      
12 E' 3225 3033 7.37      
12 E' 3225 3033 7.37      
13 E' 1686 1586 4.11      
13 E' 1686 1586 4.11      
14 E' 1474 1386 7.94      
14 E' 1474 1386 7.94      
15 E' 1144 1076 2.42      
15 E' 1144 1076 2.42      
16 E' 813 765 5.63      
16 E' 813 765 5.63      
17 E' 222 209 0.02      
17 E' 222 209 0.02      
18 E" 853 802 0.00      
18 E" 853 802 0.00      
19 E" 740 696 0.00      
19 E" 740 696 0.00      
20 E" 248 233 0.00      
20 E" 248 233 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20805.9 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 19570.0 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 MP2/6-31+G**
ABC
0.13709 0.13709 0.06854

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.834 0.000
C2 0.723 -0.417 0.000
C3 -0.723 -0.417 0.000
C4 0.000 2.176 0.000
C5 1.885 -1.088 0.000
C6 -1.885 -1.088 0.000
H7 -0.928 2.732 0.000
H8 0.928 2.732 0.000
H9 2.830 -0.562 0.000
H10 1.902 -2.170 0.000
H11 -1.902 -2.170 0.000
H12 -2.830 -0.562 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44531.44531.34202.69242.69242.11262.11263.15603.55583.55583.1560
C21.44531.44532.69241.34202.69243.55583.15602.11262.11263.15603.5558
C31.44531.44532.69242.69241.34203.15603.55583.55583.15602.11262.1126
C41.34202.69242.69243.76973.76971.08191.08193.93824.74434.74433.9382
C52.69241.34202.69243.76973.76974.74433.93821.08191.08193.93824.7443
C62.69242.69241.34203.76973.76973.93824.74434.74433.93821.08191.0819
H72.11263.55583.15601.08194.74433.93821.85664.99785.66044.99783.8038
H82.11263.15603.55581.08193.93824.74431.85663.80384.99785.66044.9978
H93.15602.11263.55583.93821.08194.74434.99783.80381.85664.99785.6604
H103.55582.11263.15604.74431.08193.93825.66044.99781.85663.80384.9978
H113.55583.15602.11264.74433.93821.08194.99785.66044.99783.80381.8566
H123.15603.55582.11263.93824.74431.08193.80384.99785.66044.99781.8566

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 120.904 C1 C4 H8 120.904
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 120.904
C2 C5 H10 120.904 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 120.904
C3 C6 H12 120.904 H7 C4 H8 118.193
H9 C5 H10 118.193 H11 C6 H12 118.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability