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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-343.436698
Energy at 298.15K-343.446443
Nuclear repulsion energy271.120303
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 B3PW91/6-31G*
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 3177 3040 11.34      
2 A1 2965 2837 196.31      
3 A1 1542 1475 5.29      
4 A1 1251 1196 23.24      
5 A1 1005 961 83.50      
6 A1 766 733 0.98      
7 A1 464 444 18.32      
8 A2 1411 1350 0.00      
9 A2 1261 1206 0.00      
10 A2 990 947 0.00      
11 E 3173 3036 36.49      
11 E 3173 3036 36.50      
12 E 2947 2820 24.90      
12 E 2947 2820 24.90      
13 E 1524 1458 1.72      
13 E 1524 1458 1.72      
14 E 1465 1401 36.92      
14 E 1465 1401 36.93      
15 E 1345 1287 0.89      
15 E 1345 1287 0.89      
16 E 1212 1160 244.03      
16 E 1212 1160 244.03      
17 E 1099 1051 43.39      
17 E 1099 1051 43.39      
18 E 983 940 41.63      
18 E 983 940 41.63      
19 E 531 508 8.74      
19 E 531 508 8.74      
20 E 296 283 0.06      
20 E 296 283 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21990.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 21037.8 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 B3PW91/6-31G*
ABC
0.17670 0.17670 0.09823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.323 0.179
C2 -1.146 -0.661 0.179
C3 1.146 -0.661 0.179
O4 -1.163 0.672 -0.264
O5 1.163 0.672 -0.264
O6 0.000 -1.343 -0.264
H7 0.000 2.327 -0.246
H8 0.000 1.369 1.286
H9 -2.015 -1.163 -0.246
H10 -1.186 -0.685 1.286
H11 2.015 -1.163 -0.246
H12 1.186 -0.685 1.286

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29132.29131.40521.40522.70291.09031.10773.22842.58083.22842.5808
C22.29132.29131.40522.70291.40523.22842.58081.09031.10773.22842.5808
C32.29132.29132.70291.40521.40523.22842.58083.22842.58081.09031.1077
O41.40521.40522.70292.32672.32662.02302.06022.02302.06023.67003.1243
O51.40522.70291.40522.32672.32662.02302.06023.67003.12432.02302.0602
O62.70291.40521.40522.32662.32663.67003.12432.02302.06022.02302.0602
H71.09033.22843.22842.02302.02303.67001.80704.02993.58074.02993.5807
H81.10772.58082.58082.06022.06023.12431.80703.58072.37143.58072.3714
H93.22841.09033.22842.02303.67002.02304.02993.58071.80704.02993.5807
H102.58081.10772.58082.06023.12432.06023.58072.37141.80703.58072.3714
H113.22843.22841.09033.67002.02302.02304.02993.58074.02993.58071.8070
H122.58082.58081.10773.12432.06022.06023.58072.37143.58072.37141.8070

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 109.240 C1 O5 C3 109.240
C2 O6 C3 109.240 O4 C1 O5 111.767
O4 C1 H7 107.660 O4 C1 H8 109.568
O4 C2 O6 111.767 O4 C2 H9 107.660
O4 C2 H10 109.568 O5 C1 H7 107.660
O5 C1 H8 109.568 O5 C3 O6 111.767
O5 C3 H11 107.660 O5 C3 H12 109.568
O6 C2 H9 107.660 O6 C2 H10 109.568
O6 C3 H11 107.660 O6 C3 H12 109.568
H7 C1 H8 110.591 H9 C2 H10 110.591
H11 C3 H12 110.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.115     0.306
2 C 0.115     0.289
3 C 0.115     0.280
4 O -0.449     -0.375
5 O -0.449     -0.372
6 O -0.449     -0.369
7 H 0.194     0.072
8 H 0.140     0.001
9 H 0.194     0.077
10 H 0.140     0.005
11 H 0.194     0.079
12 H 0.140     0.007


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 1.935 1.935
CHELPG        
AIM        
ESP 0.002 0.000 1.979 1.979


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.330 0.000 0.000
y 0.000 -34.330 0.000
z 0.000 0.000 -35.340
Traceless
 xyz
x 0.505 0.000 0.000
y 0.000 0.505 0.000
z 0.000 0.000 -1.010
Polar
3z2-r2-2.020
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 125.726
(<r2>)1/2 11.213