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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-341.328518
Energy at 298.15K 
HF Energy-341.328518
Nuclear repulsion energy265.339276
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 3204 3075 9.69      
2 A1 2988 2868 171.57      
3 A1 1562 1500 14.45      
4 A1 1220 1171 5.43      
5 A1 964 925 81.48      
6 A1 719 690 1.32      
7 A1 449 431 24.54      
8 A2 1399 1343 0.00      
9 A2 1245 1195 0.00      
10 A2 924 887 0.00      
11 E 3197 3069 20.84      
11 E 3197 3069 20.84      
12 E 2971 2852 23.80      
12 E 2971 2852 23.80      
13 E 1543 1481 0.94      
13 E 1543 1481 0.94      
14 E 1450 1392 13.94      
14 E 1450 1392 13.94      
15 E 1328 1275 0.42      
15 E 1328 1275 0.42      
16 E 1146 1100 160.88      
16 E 1146 1100 160.88      
17 E 1059 1016 78.11      
17 E 1059 1016 78.11      
18 E 924 887 19.35      
18 E 924 887 19.34      
19 E 510 490 14.25      
19 E 510 490 14.25      
20 E 294 282 0.04      
20 E 294 282 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21759.1 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 20886.6 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 0.09380

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 -0.273
O5 1.195 0.690 -0.273
O6 0.000 -1.380 -0.273
H7 0.000 2.353 -0.237
H8 0.000 1.382 1.293
H9 -2.038 -1.176 -0.237
H10 -1.197 -0.691 1.293
H11 2.038 -1.176 -0.237
H12 1.197 -0.691 1.293

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.34282.34281.44241.44242.77121.08681.10463.27542.61303.27542.6130
C22.34282.34281.44242.77121.44243.27542.61301.08681.10463.27542.6130
C32.34282.34282.77121.44241.44243.27542.61303.27542.61301.08681.1046
O41.44241.44242.77122.38972.38972.04802.08812.04802.08813.73263.1749
O51.44242.77121.44242.38972.38972.04802.08813.73263.17492.04802.0881
O62.77121.44241.44242.38972.38973.73263.17492.04802.08812.04802.0881
H71.08683.27543.27542.04802.04803.73261.81184.07503.61054.07503.6105
H81.10462.61302.61302.08812.08813.17491.81183.61052.39353.61052.3935
H93.27541.08683.27542.04803.73262.04804.07503.61051.81184.07503.6105
H102.61301.10462.61302.08813.17492.08813.61052.39351.81183.61052.3935
H113.27543.27541.08683.73262.04802.04804.07503.61054.07503.61051.8118
H122.61302.61301.10463.17492.08812.08813.61052.39353.61052.39351.8118

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 108.608 C1 O5 C3 108.608
C2 O6 C3 108.608 O4 C1 O5 111.865
O4 C1 H7 107.301 O4 C1 H8 109.417
O4 C2 O6 111.865 O4 C2 H9 107.301
O4 C2 H10 109.417 O5 C1 H7 107.301
O5 C1 H8 109.417 O5 C3 O6 111.865
O5 C3 H11 107.301 O5 C3 H12 109.417
O6 C2 H9 107.301 O6 C2 H10 109.417
O6 C3 H11 107.301 O6 C3 H12 109.417
H7 C1 H8 111.529 H9 C2 H10 111.529
H11 C3 H12 111.529
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 2.444 2.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.576 0.000 0.000
y 0.000 -34.576 0.000
z 0.000 0.000 -35.569
Traceless
 xyz
x 0.497 0.000 0.000
y 0.000 0.497 0.000
z 0.000 0.000 -0.993
Polar
3z2-r2-1.986
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 5.721 0.000 0.000
y 0.000 5.721 0.000
z 0.000 0.000 4.504


<r2> (average value of r2) Å2
<r2> 130.375
(<r2>)1/2 11.418