return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-232.091425
Energy at 298.15K-232.095763
HF Energy-232.091425
Nuclear repulsion energy188.549451
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 BLYP/TZVP
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' 3065 3057 0.00      
2 A1' 1799 1794 0.00      
3 A1' 1445 1441 0.00      
4 A1' 773 771 0.00      
5 A1" 716 715 0.00      
6 A2' 3146 3138 0.00      
7 A2' 1079 1076 0.00      
8 A2' 497 496 0.00      
9 A2" 859 857 135.37      
10 A2" 207 207 7.70      
11 E' 3146 3138 10.00      
11 E' 3146 3138 10.00      
12 E' 3064 3057 14.03      
12 E' 3064 3057 14.03      
13 E' 1606 1602 0.53      
13 E' 1606 1602 0.53      
14 E' 1409 1405 7.01      
14 E' 1409 1405 7.01      
15 E' 1101 1098 3.25      
15 E' 1101 1098 3.25      
16 E' 770 768 6.00      
16 E' 770 768 6.00      
17 E' 219 219 0.00      
17 E' 219 219 0.00      
18 E" 851 849 0.00      
18 E" 851 849 0.00      
19 E" 734 732 0.00      
19 E" 734 732 0.00      
20 E" 326 325 0.00      
20 E" 326 325 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20017.9 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 19967.8 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 BLYP/TZVP
ABC
0.13685 0.13685 0.06842

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.835 0.000
C2 0.723 -0.417 0.000
C3 -0.723 -0.417 0.000
C4 0.000 2.177 0.000
C5 1.885 -1.088 0.000
C6 -1.885 -1.088 0.000
H7 -0.931 2.742 0.000
H8 0.931 2.742 0.000
H9 2.840 -0.564 0.000
H10 1.909 -2.178 0.000
H11 -1.909 -2.178 0.000
H12 -2.840 -0.564 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44621.44621.34172.69312.69312.12232.12233.16643.56653.56653.1664
C21.44621.44622.69311.34172.69313.56653.16642.12232.12233.16643.5665
C31.44621.44622.69312.69311.34173.16643.56653.56653.16642.12232.1223
C41.34172.69312.69313.77013.77011.08951.08953.94744.75434.75433.9474
C52.69311.34172.69313.77013.77014.75433.94741.08951.08953.94744.7543
C62.69312.69311.34173.77013.77013.94744.75434.75433.94741.08951.0895
H72.12233.56653.16641.08954.75433.94741.86265.01585.68075.01583.8181
H82.12233.16643.56651.08953.94744.75431.86263.81815.01585.68075.0158
H93.16642.12233.56653.94741.08954.75435.01583.81811.86265.01585.6807
H103.56652.12233.16644.75431.08953.94745.68075.01581.86263.81815.0158
H113.56653.16642.12234.75433.94741.08955.01585.68075.01583.81811.8626
H123.16643.56652.12233.94744.75431.08953.81815.01585.68075.01581.8626

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 121.261 C1 C4 H8 121.261
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.261
C2 C5 H10 121.261 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.261
C3 C6 H12 121.261 H7 C4 H8 117.478
H9 C5 H10 117.478 H11 C6 H12 117.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.033      
2 C -0.033      
3 C -0.033      
4 C -0.199      
5 C -0.199      
6 C -0.199      
7 H 0.116      
8 H 0.116      
9 H 0.116      
10 H 0.116      
11 H 0.116      
12 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.606 0.000 0.000
y 0.000 -32.606 0.000
z 0.000 0.000 -40.183
Traceless
 xyz
x 3.788 0.000 0.000
y 0.000 3.788 0.000
z 0.000 0.000 -7.577
Polar
3z2-r2-15.154
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.689 0.000 0.000
y 0.000 15.690 0.000
z 0.000 0.000 5.873


<r2> (average value of r2) Å2
<r2> 170.092
(<r2>)1/2 13.042