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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-341.671141
Energy at 298.15K 
HF Energy-341.671141
Nuclear repulsion energy263.746836
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/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 3182 3070 11.60      
2 A1 2973 2869 182.18      
3 A1 1563 1508 10.95      
4 A1 1211 1168 5.56      
5 A1 939 906 75.44      
6 A1 705 680 0.75      
7 A1 435 419 23.57      
8 A2 1390 1341 0.00      
9 A2 1234 1191 0.00      
10 A2 875 844 0.00      
11 E 3175 3064 23.72      
11 E 3175 3064 23.71      
12 E 2954 2850 25.96      
12 E 2954 2850 25.95      
13 E 1544 1489 0.09      
13 E 1544 1489 0.09      
14 E 1443 1393 18.30      
14 E 1443 1393 18.30      
15 E 1316 1269 0.77      
15 E 1316 1269 0.77      
16 E 1127 1088 125.26      
16 E 1127 1088 125.26      
17 E 1038 1001 106.75      
17 E 1038 1001 106.74      
18 E 892 860 22.00      
18 E 892 860 22.00      
19 E 503 486 12.64      
19 E 503 486 12.64      
20 E 281 271 0.05      
20 E 281 271 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 21524.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 20769.4 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/3-21G
ABC
0.16671 0.16671 0.09247

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.364 0.189
C2 -1.181 -0.682 0.189
C3 1.181 -0.682 0.189
O4 -1.203 0.695 -0.272
O5 1.203 0.695 -0.272
O6 0.000 -1.389 -0.272
H7 0.000 2.358 -0.248
H8 0.000 1.406 1.292
H9 -2.042 -1.179 -0.248
H10 -1.218 -0.703 1.292
H11 2.042 -1.179 -0.248
H12 1.218 -0.703 1.292

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.36172.36171.45161.45162.79091.08671.10373.29062.64003.29062.6400
C22.36172.36171.45162.79091.45163.29062.64001.08671.10373.29062.6400
C32.36172.36172.79091.45161.45163.29062.64003.29062.64001.08671.1037
O41.45161.45162.79092.40592.40592.05332.09742.05332.09743.74753.2028
O51.45162.79091.45162.40592.40592.05332.09743.74753.20282.05332.0974
O62.79091.45161.45162.40592.40593.74753.20282.05332.09742.05332.0974
H71.08673.29063.29062.05332.05333.74751.81094.08483.63694.08483.6369
H81.10372.64002.64002.09742.09743.20281.81093.63692.43523.63692.4352
H93.29061.08673.29062.05333.74752.05334.08483.63691.81094.08483.6369
H102.64001.10372.64002.09743.20282.09743.63692.43521.81093.63692.4352
H113.29063.29061.08673.74752.05332.05334.08483.63694.08483.63691.8109
H122.64002.64001.10373.20282.09742.09743.63692.43523.63692.43521.8109

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 108.875 C1 O5 C3 108.875
C2 O6 C3 108.875 O4 C1 O5 111.928
O4 C1 H7 107.103 O4 C1 H8 109.577
O4 C2 O6 111.928 O4 C2 H9 107.103
O4 C2 H10 109.577 O5 C1 H7 107.103
O5 C1 H8 109.577 O5 C3 O6 111.928
O5 C3 H11 107.103 O5 C3 H12 109.577
O6 C2 H9 107.103 O6 C2 H10 109.577
O6 C3 H11 107.103 O6 C3 H12 109.577
H7 C1 H8 111.529 H9 C2 H10 111.529
H11 C3 H12 111.529
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.072      
2 C 0.072      
3 C 0.072      
4 O -0.482      
5 O -0.482      
6 O -0.482      
7 H 0.233      
8 H 0.177      
9 H 0.233      
10 H 0.177      
11 H 0.233      
12 H 0.177      


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 2.377 2.377
CHELPG        
AIM        
ESP 0.001 -0.005 2.417 2.417


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.633 0.000 0.000
y 0.000 -34.633 0.000
z 0.000 0.000 -35.571
Traceless
 xyz
x 0.469 0.000 0.000
y 0.000 0.469 0.000
z 0.000 0.000 -0.938
Polar
3z2-r2-1.875
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 5.824 0.000 0.000
y 0.000 5.824 0.000
z 0.000 0.000 4.533


<r2> (average value of r2) Å2
<r2> 131.826
(<r2>)1/2 11.482