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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-231.394550
Energy at 298.15K-231.399022
HF Energy-230.564653
Nuclear repulsion energy189.012934
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 CCD/6-31G**
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' 3231 3029 0.00      
2 A1' 1949 1827 0.00      
3 A1' 1527 1432 0.00      
4 A1' 807 757 0.00      
5 A1" 762 714 0.00      
6 A2' 3327 3119 0.00      
7 A2' 1123 1053 0.00      
8 A2' 512 480 0.00      
9 A2" 901 844 110.75      
10 A2" 200 188 4.10      
11 E' 3327 3119 11.29      
11 E' 3327 3119 11.29      
12 E' 3231 3029 12.16      
12 E' 3231 3029 12.16      
13 E' 1743 1634 9.75      
13 E' 1743 1634 9.75      
14 E' 1490 1397 6.64      
14 E' 1490 1397 6.64      
15 E' 1158 1085 3.71      
15 E' 1158 1085 3.71      
16 E' 816 765 7.53      
16 E' 816 765 7.53      
17 E' 224 210 0.00      
17 E' 224 210 0.00      
18 E" 892 837 0.00      
18 E" 892 837 0.00      
19 E" 770 722 0.00      
19 E" 770 722 0.00      
20 E" 324 304 0.00      
20 E" 324 304 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21142.9 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 19823.5 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 CCD/6-31G**
ABC
0.13742 0.13742 0.06871

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.838 0.000
C2 0.726 -0.419 0.000
C3 -0.726 -0.419 0.000
C4 0.000 2.172 0.000
C5 1.881 -1.086 0.000
C6 -1.881 -1.086 0.000
H7 -0.925 2.731 0.000
H8 0.925 2.731 0.000
H9 2.828 -0.564 0.000
H10 1.903 -2.167 0.000
H11 -1.903 -2.167 0.000
H12 -2.828 -0.564 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45151.45151.33372.69052.69052.10702.10703.15633.55653.55653.1563
C21.45151.45152.69051.33372.69053.55653.15632.10702.10703.15633.5565
C31.45151.45152.69052.69051.33373.15633.55653.55653.15632.10702.1070
C41.33372.69052.69053.76153.76151.08111.08113.93474.73734.73733.9347
C52.69051.33372.69053.76153.76154.73733.93471.08111.08113.93474.7373
C62.69052.69051.33373.76153.76153.93474.73734.73733.93471.08111.0811
H72.10703.55653.15631.08114.73733.93471.85044.99435.65554.99433.8051
H82.10703.15633.55651.08113.93474.73731.85043.80514.99435.65554.9943
H93.15632.10703.55653.93471.08114.73734.99433.80511.85044.99435.6555
H103.55652.10703.15634.73731.08113.93475.65554.99431.85043.80514.9943
H113.55653.15632.10704.73733.93471.08114.99435.65554.99433.80511.8504
H123.15633.55652.10703.93474.73731.08113.80514.99435.65554.99431.8504

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 121.154 C1 C4 H8 121.154
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.154
C2 C5 H10 121.154 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.154
C3 C6 H12 121.154 H7 C4 H8 117.692
H9 C5 H10 117.692 H11 C6 H12 117.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability