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 C3H6O3 (1,3,5-Trioxane)

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-343.654419
Energy at 298.15K 
HF Energy-343.654419
Nuclear repulsion energy270.275019
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/6-311G*
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 3159 3052 10.97      
2 A1 2952 2853 220.71      
3 A1 1533 1481 4.60      
4 A1 1250 1207 24.83      
5 A1 985 951 86.81      
6 A1 763 737 0.22      
7 A1 458 443 19.32      
8 A2 1412 1364 0.00      
9 A2 1263 1220 0.00      
10 A2 939 907 0.00      
11 E 3155 3049 36.93      
11 E 3155 3049 36.94      
12 E 2932 2833 28.80      
12 E 2932 2833 28.79      
13 E 1515 1464 2.06      
13 E 1515 1464 2.06      
14 E 1459 1410 28.88      
14 E 1459 1410 28.88      
15 E 1342 1297 0.64      
15 E 1342 1297 0.64      
16 E 1193 1153 208.75      
16 E 1193 1153 208.75      
17 E 1085 1048 81.19      
17 E 1085 1048 81.18      
18 E 952 920 52.48      
18 E 952 920 52.49      
19 E 533 515 7.62      
19 E 533 515 7.62      
20 E 292 282 0.14      
20 E 292 282 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 21813.5 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 21078.4 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 B3LYP/6-311G*
ABC
0.17551 0.17551 0.09737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.332 0.178
C2 -1.154 -0.666 0.178
C3 1.154 -0.666 0.178
O4 -1.166 0.673 -0.261
O5 1.166 0.673 -0.261
O6 0.000 -1.347 -0.261
H7 0.000 2.327 -0.260
H8 0.000 1.389 1.281
H9 -2.015 -1.163 -0.260
H10 -1.203 -0.695 1.281
H11 2.015 -1.163 -0.260
H12 1.203 -0.695 1.281

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30732.30731.40981.40982.71481.08711.10433.23742.60243.23742.6024
C22.30732.30731.40982.71481.40983.23742.60241.08711.10433.23742.6024
C32.30732.30732.71481.40981.40983.23742.60243.23742.60241.08711.1043
O41.40981.40982.71482.33272.33272.02342.06212.02342.06213.67373.1411
O51.40982.71481.40982.33272.33272.02342.06213.67373.14112.02342.0621
O62.71481.40981.40982.33272.33273.67373.14112.02342.06212.02342.0621
H71.08713.23743.23742.02342.02343.67371.80404.03023.59924.03023.5992
H81.10432.60242.60242.06212.06213.14111.80403.59922.40673.59922.4067
H93.23741.08713.23742.02343.67372.02344.03023.59921.80404.03023.5992
H102.60241.10432.60242.06213.14112.06213.59922.40671.80403.59922.4067
H113.23743.23741.08713.67372.02342.02344.03023.59924.03023.59921.8040
H122.60242.60241.10433.14112.06212.06213.59922.40673.59922.40671.8040

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 109.831 C1 O5 C3 109.831
C2 O6 C3 109.831 O4 C1 O5 111.649
O4 C1 H7 107.562 O4 C1 H8 109.613
O4 C2 O6 111.649 O4 C2 H9 107.562
O4 C2 H10 109.613 O5 C1 H7 107.562
O5 C1 H8 109.613 O5 C3 O6 111.649
O5 C3 H11 107.562 O5 C3 H12 109.613
O6 C2 H9 107.562 O6 C2 H10 109.613
O6 C3 H11 107.562 O6 C3 H12 109.613
H7 C1 H8 110.815 H9 C2 H10 110.815
H11 C3 H12 110.815
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 C -0.086      
3 C -0.086      
4 O -0.320      
5 O -0.320      
6 O -0.320      
7 H 0.225      
8 H 0.181      
9 H 0.225      
10 H 0.181      
11 H 0.225      
12 H 0.181      


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 1.948 1.948
CHELPG        
AIM        
ESP -0.004 0.000 2.009 2.009


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.004 0.000 0.000
y 0.000 -35.004 0.000
z 0.000 0.000 -35.771
Traceless
 xyz
x 0.383 0.000 0.000
y 0.000 0.383 0.000
z 0.000 0.000 -0.767
Polar
3z2-r2-1.533
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 6.389 0.000 0.000
y 0.000 6.389 0.000
z 0.000 0.000 5.403


<r2> (average value of r2) Å2
<r2> 126.870
(<r2>)1/2 11.264