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: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-232.070844
Energy at 298.15K-232.075429
HF Energy-232.070844
Nuclear repulsion energy187.189916
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 B3LYP/LANL2DZ
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' 3160 3037 0.00      
2 A1' 1907 1833 0.00      
3 A1' 1496 1438 0.00      
4 A1' 779 748 0.00      
5 A1" 749 720 0.00      
6 A2' 3264 3137 0.00      
7 A2' 1107 1064 0.00      
8 A2' 513 493 0.00      
9 A2" 982 944 271.83      
10 A2" 225 216 10.52      
11 E' 3266 3139 15.47      
11 E' 3266 3139 15.47      
12 E' 3158 3035 9.09      
12 E' 3158 3035 9.09      
13 E' 1686 1620 0.89      
13 E' 1686 1620 0.89      
14 E' 1463 1407 20.99      
14 E' 1463 1407 20.99      
15 E' 1137 1093 11.88      
15 E' 1137 1093 11.88      
16 E' 783 753 6.74      
16 E' 783 753 6.74      
17 E' 227 219 0.14      
17 E' 227 219 0.14      
18 E" 978 940 0.00      
18 E" 978 940 0.00      
19 E" 771 741 0.00      
19 E" 771 741 0.00      
20 E" 358 344 0.00      
20 E" 358 344 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20916.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 20105.3 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 B3LYP/LANL2DZ
ABC
0.13468 0.13468 0.06734

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.848 0.000
C2 0.734 -0.424 0.000
C3 -0.734 -0.424 0.000
C4 0.000 2.194 0.000
C5 1.900 -1.097 0.000
C6 -1.900 -1.097 0.000
H7 -0.929 2.758 0.000
H8 0.929 2.758 0.000
H9 2.853 -0.574 0.000
H10 1.924 -2.184 0.000
H11 -1.924 -2.184 0.000
H12 -2.853 -0.574 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46811.46811.34612.71852.71852.12472.12473.18823.59073.59073.1882
C21.46811.46812.71851.34612.71853.59073.18822.12472.12473.18823.5907
C31.46811.46812.71852.71851.34613.18823.59073.59073.18822.12472.1247
C41.34612.71852.71853.79963.79961.08741.08743.97554.78194.78193.9755
C52.71851.34612.71853.79963.79964.78193.97551.08741.08743.97554.7819
C62.71852.71851.34613.79963.79963.97554.78194.78193.97551.08741.0874
H72.12473.59073.18821.08744.78193.97551.85855.04155.70695.04153.8484
H82.12473.18823.59071.08743.97554.78191.85853.84845.04155.70695.0415
H93.18822.12473.59073.97551.08744.78195.04153.84841.85855.04155.7069
H103.59072.12473.18824.78191.08743.97555.70695.04151.85853.84845.0415
H113.59073.18822.12474.78193.97551.08745.04155.70695.04153.84841.8585
H123.18823.59072.12473.97554.78191.08743.84845.04155.70695.04151.8585

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 121.286 C1 C4 H8 121.286
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.286
C2 C5 H10 121.286 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.286
C3 C6 H12 121.286 H7 C4 H8 117.428
H9 C5 H10 117.428 H11 C6 H12 117.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 C 0.136      
3 C 0.136      
4 C -0.607      
5 C -0.607      
6 C -0.607      
7 H 0.236      
8 H 0.236      
9 H 0.236      
10 H 0.236      
11 H 0.236      
12 H 0.236      


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 -30.984 0.000 0.000
y 0.000 -30.984 0.000
z 0.000 0.000 -40.247
Traceless
 xyz
x 4.631 0.000 0.000
y 0.000 4.631 0.000
z 0.000 0.000 -9.262
Polar
3z2-r2-18.525
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 14.151 0.000 0.000
y 0.000 14.151 0.000
z 0.000 0.000 4.285


<r2> (average value of r2) Å2
<r2> 171.668
(<r2>)1/2 13.102