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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-230.986803
Energy at 298.15K-230.991085
HF Energy-230.475433
Nuclear repulsion energy185.112945
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/SDD
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' 3134 3025 0.00      
2 A1' 1860 1795 0.00      
3 A1' 1505 1453 0.00      
4 A1' 745 719 0.00      
5 A1" 745 719 0.00      
6 A2' 3245 3132 0.00      
7 A2' 1111 1073 0.00      
8 A2' 507 490 0.00      
9 A2" 816 788 221.01      
10 A2" 204 197 7.95      
11 E' 3248 3135 18.95      
11 E' 3248 3135 18.95      
12 E' 3131 3022 16.58      
12 E' 3131 3022 16.58      
13 E' 1643 1586 2.27      
13 E' 1643 1586 2.27      
14 E' 1470 1419 12.85      
14 E' 1470 1419 12.85      
15 E' 1136 1097 7.76      
15 E' 1136 1097 7.76      
16 E' 766 740 5.74      
16 E' 766 740 5.74      
17 E' 222 215 0.27      
17 E' 222 215 0.27      
18 E" 814 785 0.00      
18 E" 814 785 0.00      
19 E" 742 716 0.00      
19 E" 742 716 0.00      
20 E" 321 310 0.00      
20 E" 321 310 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20429.4 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 19720.5 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/SDD
ABC
0.13159 0.13159 0.06579

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.859 0.000
C2 0.744 -0.429 0.000
C3 -0.744 -0.429 0.000
C4 0.000 2.220 0.000
C5 1.923 -1.110 0.000
C6 -1.923 -1.110 0.000
H7 -0.937 2.785 0.000
H8 0.937 2.785 0.000
H9 2.881 -0.582 0.000
H10 1.944 -2.204 0.000
H11 -1.944 -2.204 0.000
H12 -2.881 -0.582 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.48711.48711.36172.75192.75192.14242.14243.22053.62733.62733.2205
C21.48711.48712.75191.36172.75193.62733.22052.14242.14243.22053.6273
C31.48711.48712.75192.75191.36173.22053.62733.62733.22052.14242.1424
C41.36172.75192.75193.84563.84561.09391.09394.01844.83234.83234.0184
C52.75191.36172.75193.84563.84564.83234.01841.09391.09394.01844.8323
C62.75192.75191.36173.84563.84564.01844.83234.83234.01841.09391.0939
H72.14243.62733.22051.09394.83234.01841.87325.08995.76105.08993.8878
H82.14243.22053.62731.09394.01844.83231.87323.88785.08995.76105.0899
H93.22052.14243.62734.01841.09394.83235.08993.88781.87325.08995.7610
H103.62732.14243.22054.83231.09394.01845.76105.08991.87323.88785.0899
H113.62733.22052.14244.83234.01841.09395.08995.76105.08993.88781.8732
H123.22053.62732.14244.01844.83231.09393.88785.08995.76105.08991.8732

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 121.106 C1 C4 H8 121.106
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.106
C2 C5 H10 121.106 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.106
C3 C6 H12 121.106 H7 C4 H8 117.788
H9 C5 H10 117.788 H11 C6 H12 117.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability