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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-231.388657
Energy at 298.15K-231.392971
HF Energy-230.576759
Nuclear repulsion energy187.292487
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/aug-cc-pVDZ
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' 3174 3044 0.00      
2 A1' 1873 1796 0.00      
3 A1' 1468 1408 0.00      
4 A1' 786 753 0.00      
5 A1" 732 702 0.00      
6 A2' 3282 3147 0.00      
7 A2' 1087 1042 0.00      
8 A2' 489 469 0.00      
9 A2" 892 855 115.77      
10 A2" 196 188 9.18      
11 E' 3282 3148 4.26      
11 E' 3282 3148 4.26      
12 E' 3174 3044 6.49      
12 E' 3174 3044 6.49      
13 E' 1657 1589 3.46      
13 E' 1657 1589 3.46      
14 E' 1435 1376 8.74      
14 E' 1435 1376 8.74      
15 E' 1118 1072 1.26      
15 E' 1118 1072 1.26      
16 E' 792 760 6.16      
16 E' 792 760 6.16      
17 E' 217 208 0.01      
17 E' 217 208 0.01      
18 E" 885 849 0.00      
18 E" 885 849 0.00      
19 E" 741 710 0.00      
19 E" 741 710 0.00      
20 E" 294 282 0.00      
20 E" 294 282 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20583.6 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 19739.6 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/aug-cc-pVDZ
ABC
0.13497 0.13497 0.06749

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.841 0.000
C2 0.729 -0.421 0.000
C3 -0.729 -0.421 0.000
C4 0.000 2.193 0.000
C5 1.899 -1.097 0.000
C6 -1.899 -1.097 0.000
H7 -0.940 2.752 0.000
H8 0.940 2.752 0.000
H9 2.853 -0.562 0.000
H10 1.913 -2.190 0.000
H11 -1.913 -2.190 0.000
H12 -2.853 -0.562 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45741.45741.35182.71372.71372.12902.12903.17963.58453.58453.1796
C21.45741.45742.71371.35182.71373.58453.17962.12902.12903.17963.5845
C31.45741.45742.71372.71371.35183.17963.58453.58453.17962.12902.1290
C41.35182.71372.71373.79883.79881.09311.09313.96644.78244.78243.9664
C52.71371.35182.71373.79883.79884.78243.96641.09311.09313.96644.7824
C62.71372.71371.35183.79883.79883.96644.78244.78243.96641.09311.0931
H72.12903.58453.17961.09314.78243.96641.87925.03665.70605.03663.8269
H82.12903.17963.58451.09313.96644.78241.87923.82695.03665.70605.0366
H93.17962.12903.58453.96641.09314.78245.03663.82691.87925.03665.7060
H103.58452.12903.17964.78241.09313.96645.70605.03661.87923.82695.0366
H113.58453.17962.12904.78243.96641.09315.03665.70605.03663.82691.8792
H123.17963.58452.12903.96644.78241.09313.82695.03665.70605.03661.8792

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 120.735 C1 C4 H8 120.735
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 120.735
C2 C5 H10 120.735 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 120.735
C3 C6 H12 120.735 H7 C4 H8 118.530
H9 C5 H10 118.530 H11 C6 H12 118.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability