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

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-338.952626
Energy at 298.15K 
HF Energy-338.952626
Nuclear repulsion energy261.441872
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 B3PW91/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3399 3008 5.14      
2 A 3192 2825 58.21      
3 A 1617 1431 4.61      
4 A 1412 1249 0.00      
5 A 1284 1136 0.00      
6 A 1263 1118 4.90      
7 A 1061 939 0.00      
8 A 978 865 24.53      
9 A 713 631 6.84      
10 A 468 414 12.78      
11 E 3395 3004 0.02      
11 E 3395 3004 0.02      
12 E 3190 2823 15.79      
12 E 3190 2823 15.79      
13 E 1611 1426 0.55      
13 E 1611 1426 0.55      
14 E 1510 1336 30.46      
14 E 1510 1336 30.46      
15 E 1372 1214 2.03      
15 E 1372 1214 2.03      
16 E 1188 1051 76.85      
16 E 1188 1051 76.85      
17 E 1095 970 5.47      
17 E 1095 970 5.47      
18 E 983 870 8.51      
18 E 983 870 8.51      
19 E 518 458 5.95      
19 E 518 458 5.95      
20 E 299 265 0.39      
20 E 299 265 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 22853.4 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 20225.3 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 B3PW91/STO-3G
ABC
0.16395 0.16395 0.09192

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.346 0.206
C2 -1.165 -0.673 0.206
C3 1.165 -0.673 0.206
O4 -1.221 0.705 -0.299
O5 1.221 0.705 -0.299
O6 -0.000 -1.410 -0.299
H7 0.000 2.390 -0.177
H8 0.000 1.355 1.330
H9 -2.070 -1.195 -0.177
H10 -1.173 -0.677 1.330
H11 2.070 -1.195 -0.177
H12 1.173 -0.677 1.330

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.33082.33081.46851.46842.80141.11221.12443.29932.59493.29922.5949
C22.33082.33081.46842.80141.46853.29922.59491.11221.12443.29932.5949
C32.33082.33082.80141.46851.46843.29932.59493.29922.59491.11221.1244
O41.46851.46842.80142.44202.44202.08432.13722.08442.13723.80173.2090
O51.46842.80141.46852.44202.44202.08442.13723.80173.20902.08432.1372
O62.80141.46851.46842.44202.44203.80173.20902.08432.13722.08442.1372
H71.11223.29923.29932.08432.08443.80171.82854.13943.61334.13943.6134
H81.12442.59492.59492.13722.13723.20901.82853.61342.34643.61332.3464
H93.29931.11223.29922.08443.80172.08434.13943.61341.82854.13943.6133
H102.59491.12442.59492.13723.20902.13723.61332.34641.82853.61342.3464
H113.29923.29931.11223.80172.08432.08444.13943.61334.13943.61341.8285
H122.59492.59491.12443.20902.13722.13723.61342.34643.61332.34641.8285

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 105.054 C1 O5 C3 105.054
C2 O6 C3 105.054 O4 C1 O5 112.509
O4 C1 H7 106.929 O4 C1 H8 110.319
O4 C2 O6 112.509 O4 C2 H9 106.942
O4 C2 H10 110.324 O5 C1 H7 106.942
O5 C1 H8 110.325 O5 C3 O6 112.509
O5 C3 H11 106.929 O5 C3 H12 110.319
O6 C2 H9 106.929 O6 C2 H10 110.319
O6 C3 H11 106.942 O6 C3 H12 110.325
H7 C1 H8 109.679 H9 C2 H10 109.679
H11 C3 H12 109.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 C 0.019      
3 C 0.019      
4 O -0.185      
5 O -0.185      
6 O -0.185      
7 H 0.098      
8 H 0.068      
9 H 0.098      
10 H 0.068      
11 H 0.098      
12 H 0.068      


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 1.973 1.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.674 0.000 0.000
y 0.000 -32.674 0.000
z 0.000 0.000 -32.370
Traceless
 xyz
x -0.152 0.000 0.000
y 0.000 -0.152 0.000
z 0.000 0.000 0.305
Polar
3z2-r20.609
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 4.027 0.000 0.000
y 0.000 4.027 0.000
z 0.000 0.000 2.577


<r2> (average value of r2) Å2
<r2> 131.598
(<r2>)1/2 11.472