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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-341.328484
Energy at 298.15K-341.338099
HF Energy-341.328484
Nuclear repulsion energy265.339934
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 HSEh1PBE/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 3206 3088 9.65      
2 A1 2989 2879 171.89      
3 A1 1561 1504 14.41      
4 A1 1219 1174 5.46      
5 A1 963 928 81.41      
6 A1 719 692 1.35      
7 A1 447 431 24.51      
8 A2 1397 1346 0.00      
9 A2 1244 1198 0.00      
10 A2 922 889 0.00      
11 E 3199 3082 20.98      
11 E 3199 3082 20.97      
12 E 2972 2863 23.76      
12 E 2972 2863 23.77      
13 E 1541 1484 0.88      
13 E 1541 1484 0.88      
14 E 1449 1396 13.93      
14 E 1449 1396 13.93      
15 E 1327 1279 0.46      
15 E 1327 1279 0.46      
16 E 1145 1103 162.92      
16 E 1145 1103 162.92      
17 E 1058 1019 75.97      
17 E 1058 1019 75.97      
18 E 922 888 19.67      
18 E 922 888 19.66      
19 E 509 490 14.11      
19 E 509 490 14.11      
20 E 289 279 0.03      
20 E 289 278 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21743.4 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 20945.4 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 HSEh1PBE/3-21G
ABC
0.16884 0.16884 0.09381

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.353 0.189
C2 -1.171 -0.676 0.189
C3 1.171 -0.676 0.189
O4 -1.195 0.690 -0.274
O5 1.195 0.690 -0.274
O6 0.000 -1.380 -0.274
H7 0.000 2.353 -0.236
H8 0.000 1.382 1.293
H9 -2.038 -1.176 -0.236
H10 -1.196 -0.691 1.293
H11 2.038 -1.176 -0.236
H12 1.196 -0.691 1.293

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.34282.34281.44241.44242.77111.08681.10473.27552.61273.27552.6127
C22.34282.34281.44242.77111.44243.27552.61271.08681.10473.27552.6127
C32.34282.34282.77111.44241.44243.27552.61273.27552.61271.08681.1047
O41.44241.44242.77112.38962.38962.04812.08822.04812.08823.73273.1747
O51.44242.77111.44242.38962.38962.04812.08823.73273.17472.04812.0882
O62.77111.44241.44242.38962.38963.73273.17472.04812.08822.04812.0882
H71.08683.27553.27552.04812.04813.73271.81174.07533.61034.07533.6103
H81.10472.61272.61272.08822.08823.17471.81173.61032.39293.61032.3929
H93.27551.08683.27552.04813.73272.04814.07533.61031.81174.07533.6103
H102.61271.10472.61272.08823.17472.08823.61032.39291.81173.61032.3929
H113.27553.27551.08683.73272.04812.04814.07533.61034.07533.61031.8117
H122.61272.61271.10473.17472.08822.08823.61032.39293.61032.39291.8117

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 108.602 C1 O5 C3 108.602
C2 O6 C3 108.602 O4 C1 O5 111.856
O4 C1 H7 107.310 O4 C1 H8 109.417
O4 C2 O6 111.856 O4 C2 H9 107.310
O4 C2 H10 109.417 O5 C1 H7 107.310
O5 C1 H8 109.417 O5 C3 O6 111.856
O5 C3 H11 107.310 O5 C3 H12 109.417
O6 C2 H9 107.310 O6 C2 H10 109.417
O6 C3 H11 107.310 O6 C3 H12 109.417
H7 C1 H8 111.521 H9 C2 H10 111.521
H11 C3 H12 111.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.036      
3 C 0.036      
4 O -0.493      
5 O -0.493      
6 O -0.493      
7 H 0.259      
8 H 0.198      
9 H 0.259      
10 H 0.198      
11 H 0.259      
12 H 0.198      


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 2.446 2.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.575 0.000 0.000
y 0.000 -34.575 0.000
z 0.000 0.000 -35.571
Traceless
 xyz
x 0.498 0.000 0.000
y 0.000 0.498 0.000
z 0.000 0.000 -0.996
Polar
3z2-r2-1.992
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 5.722 0.000 0.000
y 0.000 5.722 -0.000
z 0.000 -0.000 4.505


<r2> (average value of r2) Å2
<r2> 130.372
(<r2>)1/2 11.418