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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-230.706233
Energy at 298.15K-230.710900
HF Energy-230.706233
Nuclear repulsion energy189.725535
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 B1B95/3-21G
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' 3190 3052 0.00      
2 A1' 1926 1843 0.00      
3 A1' 1530 1464 0.00      
4 A1' 788 754 0.00      
5 A1" 774 740 0.00      
6 A2' 3276 3134 0.00      
7 A2' 1142 1092 0.00      
8 A2' 523 501 0.00      
9 A2" 955 914 172.31      
10 A2" 222 212 9.68      
11 E' 3276 3135 6.76      
11 E' 3276 3135 6.76      
12 E' 3189 3051 5.72      
12 E' 3189 3051 5.72      
13 E' 1729 1654 4.22      
13 E' 1729 1654 4.22      
14 E' 1500 1435 10.38      
14 E' 1500 1435 10.38      
15 E' 1170 1119 9.34      
15 E' 1170 1119 9.34      
16 E' 795 761 5.63      
16 E' 795 761 5.63      
17 E' 231 221 0.17      
17 E' 231 221 0.17      
18 E" 952 911 0.00      
18 E" 952 911 0.00      
19 E" 795 760 0.00      
19 E" 795 760 0.00      
20 E" 357 341 0.00      
20 E" 357 341 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21156.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20240.4 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 B1B95/3-21G
ABC
0.13860 0.13860 0.06930

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.837 0.000
C2 0.725 -0.419 0.000
C3 -0.725 -0.419 0.000
C4 0.000 2.160 0.000
C5 1.871 -1.080 0.000
C6 -1.871 -1.080 0.000
H7 -0.925 2.723 0.000
H8 0.925 2.723 0.000
H9 2.821 -0.560 0.000
H10 1.896 -2.163 0.000
H11 -1.896 -2.163 0.000
H12 -2.821 -0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45001.45001.32322.67892.67892.10042.10043.14783.54843.54843.1478
C21.45001.45002.67891.32322.67893.54843.14782.10042.10043.14783.5484
C31.45001.45002.67892.67891.32323.14783.54843.54843.14782.10042.1004
C41.32322.67892.67893.74193.74191.08271.08273.91894.72034.72033.9189
C52.67891.32322.67893.74193.74194.72033.91891.08271.08273.91894.7203
C62.67892.67891.32323.74193.74193.91894.72034.72033.91891.08271.0827
H72.10043.54843.14781.08274.72033.91891.85024.98095.64124.98093.7910
H82.10043.14783.54841.08273.91894.72031.85023.79104.98095.64124.9809
H93.14782.10043.54843.91891.08274.72034.98093.79101.85024.98095.6412
H103.54842.10043.14784.72031.08273.91895.64124.98091.85023.79104.9809
H113.54843.14782.10044.72033.91891.08274.98095.64124.98093.79101.8502
H123.14783.54842.10043.91894.72031.08273.79104.98095.64124.98091.8502

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 121.301 C1 C4 H8 121.301
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.301
C2 C5 H10 121.301 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.301
C3 C6 H12 121.301 H7 C4 H8 117.399
H9 C5 H10 117.399 H11 C6 H12 117.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.097      
2 C 0.097      
3 C 0.097      
4 C -0.535      
5 C -0.535      
6 C -0.535      
7 H 0.219      
8 H 0.219      
9 H 0.219      
10 H 0.219      
11 H 0.219      
12 H 0.219      


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 -30.545 0.000 0.000
y 0.000 -30.545 0.000
z 0.000 0.000 -39.907
Traceless
 xyz
x 4.681 0.000 0.000
y 0.000 4.681 0.000
z 0.000 0.000 -9.361
Polar
3z2-r2-18.722
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 12.975 0.000 0.000
y 0.000 12.975 0.000
z 0.000 0.000 2.378


<r2> (average value of r2) Å2
<r2> 167.270
(<r2>)1/2 12.933