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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-341.299049
Energy at 298.15K 
HF Energy-341.299049
Nuclear repulsion energy265.411077
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 PBE1PBE/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 3203 3074 9.58      
2 A1 2988 2868 169.70      
3 A1 1561 1499 14.55      
4 A1 1220 1171 5.41      
5 A1 966 927 81.62      
6 A1 719 690 1.49      
7 A1 449 431 24.67      
8 A2 1398 1342 0.00      
9 A2 1245 1195 0.00      
10 A2 931 894 0.00      
11 E 3197 3068 20.58      
11 E 3197 3068 20.58      
12 E 2971 2852 23.26      
12 E 2971 2852 23.26      
13 E 1542 1480 0.98      
13 E 1542 1480 0.98      
14 E 1450 1392 13.71      
14 E 1450 1392 13.71      
15 E 1328 1275 0.37      
15 E 1328 1275 0.37      
16 E 1148 1102 166.42      
16 E 1148 1102 166.42      
17 E 1060 1018 72.01      
17 E 1060 1018 72.02      
18 E 928 890 18.88      
18 E 928 890 18.88      
19 E 510 489 14.42      
19 E 510 489 14.42      
20 E 295 283 0.04      
20 E 295 283 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21768.7 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 20893.6 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 PBE1PBE/3-21G*
ABC
0.16894 0.16894 0.09389

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.352 0.189
C2 -1.171 -0.676 0.189
C3 1.171 -0.676 0.189
O4 -1.195 0.690 -0.274
O5 1.195 0.690 -0.274
O6 0.000 -1.379 -0.274
H7 0.000 2.353 -0.235
H8 0.000 1.379 1.294
H9 -2.038 -1.176 -0.235
H10 -1.194 -0.689 1.294
H11 2.038 -1.176 -0.235
H12 1.194 -0.689 1.294

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.34132.34131.44211.44212.77001.08721.10503.27462.61003.27462.6100
C22.34132.34131.44212.77001.44213.27462.61001.08721.10503.27462.6100
C32.34132.34132.77001.44211.44213.27462.61003.27462.61001.08721.1050
O41.44211.44212.77002.38902.38902.04812.08792.04812.08793.73243.1724
O51.44212.77001.44212.38902.38902.04812.08793.73243.17242.04812.0879
O62.77001.44211.44212.38902.38903.73243.17242.04812.08792.04812.0879
H71.08723.27463.27462.04812.04813.73241.81274.07523.60794.07523.6079
H81.10502.61002.61002.08792.08793.17241.81273.60792.38803.60792.3880
H93.27461.08723.27462.04813.73242.04814.07523.60791.81274.07523.6079
H102.61001.10502.61002.08793.17242.08793.60792.38801.81273.60792.3880
H113.27463.27461.08723.73242.04812.04814.07523.60794.07523.60791.8127
H122.61002.61001.10503.17242.08792.08793.60792.38803.60792.38801.8127

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 108.537 C1 O5 C3 108.537
C2 O6 C3 108.537 O4 C1 O5 111.852
O4 C1 H7 107.310 O4 C1 H8 109.403
O4 C2 O6 111.852 O4 C2 H9 107.310
O4 C2 H10 109.403 O5 C1 H7 107.310
O5 C1 H8 109.403 O5 C3 O6 111.852
O5 C3 H11 107.310 O5 C3 H12 109.403
O6 C2 H9 107.310 O6 C2 H10 109.403
O6 C3 H11 107.310 O6 C3 H12 109.403
H7 C1 H8 111.555 H9 C2 H10 111.555
H11 C3 H12 111.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 C 0.033      
3 C 0.033      
4 O -0.495      
5 O -0.495      
6 O -0.495      
7 H 0.262      
8 H 0.200      
9 H 0.262      
10 H 0.200      
11 H 0.262      
12 H 0.200      


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 2.457 2.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.584 0.000 0.000
y 0.000 -34.584 0.000
z 0.000 0.000 -35.587
Traceless
 xyz
x 0.501 0.000 0.000
y 0.000 0.501 0.000
z 0.000 0.000 -1.003
Polar
3z2-r2-2.005
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 5.719 0.000 0.000
y 0.000 5.719 0.000
z 0.000 0.000 4.508


<r2> (average value of r2) Å2
<r2> 130.301
(<r2>)1/2 11.415