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All results from a given calculation for C3H6O3 (1,3,5-Trioxane)

using model chemistry: B2PLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-341.238031
Energy at 298.15K 
HF Energy-341.026535
Nuclear repulsion energy263.468009
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 B2PLYP/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 3214 3214 12.17      
2 A1 3005 3005 175.82      
3 A1 1587 1587 10.41      
4 A1 1223 1223 6.19      
5 A1 944 944 75.81      
6 A1 704 704 0.76      
7 A1 439 439 24.36      
8 A2 1408 1408 0.00      
9 A2 1251 1251 0.00      
10 A2 898 898 0.00      
11 E 3208 3208 22.80      
11 E 3208 3208 22.80      
12 E 2989 2989 23.20      
12 E 2989 2989 23.20      
13 E 1567 1567 0.01      
13 E 1567 1567 0.01      
14 E 1463 1463 20.61      
14 E 1463 1463 20.61      
15 E 1330 1330 0.74      
15 E 1330 1330 0.74      
16 E 1141 1141 119.21      
16 E 1141 1141 119.21      
17 E 1046 1046 112.24      
17 E 1046 1046 112.23      
18 E 894 894 20.28      
18 E 894 894 20.27      
19 E 505 505 13.66      
19 E 505 505 13.66      
20 E 287 287 0.07      
20 E 287 287 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 21766.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21766.0 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 B2PLYP/3-21G*
ABC
0.16630 0.16630 0.09225

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.365 0.190
C2 -1.182 -0.683 0.190
C3 1.182 -0.683 0.190
O4 -1.205 0.696 -0.273
O5 1.205 0.696 -0.273
O6 0.000 -1.391 -0.273
H7 0.000 2.359 -0.244
H8 0.000 1.401 1.291
H9 -2.043 -1.179 -0.244
H10 -1.213 -0.701 1.291
H11 2.043 -1.179 -0.244
H12 1.213 -0.701 1.291

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.36442.36441.45421.45422.79521.08441.10123.29172.63633.29172.6363
C22.36442.36441.45422.79521.45423.29172.63631.08441.10123.29172.6363
C32.36442.36442.79521.45421.45423.29172.63633.29172.63631.08441.1012
O41.45421.45422.79522.41012.41012.05392.09662.05392.09663.75033.2006
O51.45422.79521.45422.41012.41012.05392.09663.75033.20062.05392.0966
O62.79521.45421.45422.41012.41013.75033.20062.05392.09662.05392.0966
H71.08443.29173.29172.05392.05393.75031.80924.08543.63144.08543.6314
H81.10122.63632.63632.09662.09663.20061.80923.63142.42673.63142.4267
H93.29171.08443.29172.05393.75032.05394.08543.63141.80924.08543.6314
H102.63631.10122.63632.09663.20062.09663.63142.42671.80923.63142.4267
H113.29173.29171.08443.75032.05392.05394.08543.63144.08543.63141.8092
H122.63632.63631.10123.20062.09662.09663.63142.42673.63142.42671.8092

picture of 1,3,5-Trioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 108.765 C1 O5 C3 108.765
C2 O6 C3 108.765 O4 C1 O5 111.921
O4 C1 H7 107.107 O4 C1 H8 109.479
O4 C2 O6 111.921 O4 C2 H9 107.107
O4 C2 H10 109.479 O5 C1 H7 107.107
O5 C1 H8 109.479 O5 C3 O6 111.921
O5 C3 H11 107.107 O5 C3 H12 109.479
O6 C2 H9 107.107 O6 C2 H10 109.479
O6 C3 H11 107.107 O6 C3 H12 109.479
H7 C1 H8 111.734 H9 C2 H10 111.735
H11 C3 H12 111.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.090      
2 C 0.090      
3 C 0.090      
4 O -0.498      
5 O -0.498      
6 O -0.498      
7 H 0.233      
8 H 0.175      
9 H 0.233      
10 H 0.175      
11 H 0.233      
12 H 0.175      


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 2.463 2.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.884 0.000 0.000
y 0.000 -34.884 0.000
z 0.000 0.000 -35.821
Traceless
 xyz
x 0.468 0.000 0.000
y 0.000 0.468 0.000
z 0.000 0.000 -0.937
Polar
3z2-r2-1.874
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 5.760 0.000 0.000
y 0.000 5.760 0.000
z 0.000 0.000 4.479


<r2> (average value of r2) Å2
<r2> 132.191
(<r2>)1/2 11.497