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All results from a given calculation for C3H4O2 (propanedial)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-267.245820
Energy at 298.15K-267.239160
Nuclear repulsion energy156.439227
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B3LYP/cc-pVTZ
ABC
0.57096 0.09419 0.08629

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 0.737 0.314
C2 -1.057 -0.364 0.129
C3 1.312 0.343 -0.286
O4 -2.181 -0.162 -0.242
O5 1.915 -0.642 0.051
H6 0.129 0.845 1.393
H7 -0.405 1.672 -0.090
H8 -0.692 -1.380 0.368
H9 1.702 1.007 -1.081

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.52241.51512.40312.39291.09551.08802.22102.2341
C21.52242.50711.19992.98642.11362.14941.10533.3105
C31.51512.50713.52891.20332.11442.18042.72241.1069
O42.40311.19993.52894.13393.00392.55732.01714.1407
O52.39292.98641.20334.13392.68383.28042.72812.0117
H61.09552.11362.11443.00392.68381.78052.58362.9359
H71.08802.14942.18042.55733.28041.78053.09952.4216
H82.22101.10532.72242.01712.72812.58363.09953.6783
H92.23413.31051.10694.14072.01172.93592.42163.6783

picture of propanedial state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.509 C1 C2 H8 114.454
C1 C3 O5 122.937 C1 C3 H9 116.000
C2 C1 C3 111.249 C2 C1 H6 106.540
C2 C1 H7 109.729 C3 C1 H6 107.078
C3 C1 H7 112.744 O4 C2 H8 122.037
O5 C3 H9 121.050 H6 C1 H7 109.262
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.158      
2 C 0.143      
3 C 0.127      
4 O -0.236      
5 O -0.252      
6 H 0.125      
7 H 0.107      
8 H 0.073      
9 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.851 1.804 0.406 2.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.763 3.372 -2.208
y 3.372 -28.020 -0.115
z -2.208 -0.115 -27.267
Traceless
 xyz
x -12.119 3.372 -2.208
y 3.372 5.495 -0.115
z -2.208 -0.115 6.624
Polar
3z2-r213.249
x2-y2-11.743
xy3.372
xz-2.208
yz-0.115


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.512 -0.175 0.045
y -0.175 5.887 -0.491
z 0.045 -0.491 4.648


<r2> (average value of r2) Å2
<r2> 127.380
(<r2>)1/2 11.286