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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-231.579215
Energy at 298.15K-231.583686
HF Energy-230.633642
Nuclear repulsion energy189.436286
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/cc-pVTZ
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' 3180 3020 0.00      
2 A1' 1882 1787 0.00      
3 A1' 1485 1410 0.00      
4 A1' 791 751 0.00      
5 A1" 753 715 0.00      
6 A2' 3278 3113 0.00      
7 A2' 1102 1046 0.00      
8 A2' 497 472 0.00      
9 A2" 898 852 120.05      
10 A2" 208 198 7.40      
11 E' 3279 3113 3.18      
11 E' 3279 3113 3.18      
12 E' 3180 3019 4.48      
12 E' 3180 3019 4.48      
13 E' 1671 1586 4.44      
13 E' 1671 1586 4.44      
14 E' 1451 1378 10.48      
14 E' 1451 1378 10.48      
15 E' 1130 1073 1.65      
15 E' 1130 1073 1.65      
16 E' 803 762 5.18      
16 E' 803 762 5.18      
17 E' 219 208 0.01      
17 E' 219 208 0.01      
18 E" 891 846 0.00      
18 E" 891 846 0.00      
19 E" 767 728 0.00      
19 E" 767 728 0.00      
20 E" 328 311 0.00      
20 E" 328 311 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20753.7 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 19705.6 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/cc-pVTZ
ABC
0.13808 0.13808 0.06904

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.833 0.000
C2 0.721 -0.416 0.000
C3 -0.721 -0.416 0.000
C4 0.000 2.168 0.000
C5 1.878 -1.084 0.000
C6 -1.878 -1.084 0.000
H7 -0.929 2.721 0.000
H8 0.929 2.721 0.000
H9 2.821 -0.556 0.000
H10 1.892 -2.165 0.000
H11 -1.892 -2.165 0.000
H12 -2.821 -0.556 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44211.44211.33552.68312.68312.10452.10453.14433.54473.54473.1443
C21.44211.44212.68311.33552.68313.54473.14432.10452.10453.14433.5447
C31.44211.44212.68312.68311.33553.14433.54473.54473.14432.10452.1045
C41.33552.68312.68313.75533.75531.08081.08083.92174.72804.72803.9217
C52.68311.33552.68313.75533.75534.72803.92171.08081.08083.92174.7280
C62.68312.68311.33553.75533.75533.92174.72804.72803.92171.08081.0808
H72.10453.54473.14431.08084.72803.92171.85724.98005.64174.98003.7845
H82.10453.14433.54471.08083.92174.72801.85723.78454.98005.64174.9800
H93.14432.10453.54473.92171.08084.72804.98003.78451.85724.98005.6417
H103.54472.10453.14434.72801.08083.92175.64174.98001.85723.78454.9800
H113.54473.14432.10454.72803.92171.08084.98005.64174.98003.78451.8572
H123.14433.54472.10453.92174.72801.08083.78454.98005.64174.98001.8572

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 120.775 C1 C4 H8 120.775
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 120.775
C2 C5 H10 120.775 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 120.775
C3 C6 H12 120.775 H7 C4 H8 118.449
H9 C5 H10 118.449 H11 C6 H12 118.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability