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All results from a given calculation for C3H4O (allenol)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-191.789583
Energy at 298.15K-191.793060
HF Energy-191.555439
Nuclear repulsion energy102.198744
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 B2PLYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3815 3660 42.65      
2 A' 3214 3084 3.23      
3 A' 3123 2997 15.88      
4 A' 2049 1965 32.10      
5 A' 1510 1449 48.33      
6 A' 1426 1368 56.58      
7 A' 1292 1240 4.55      
8 A' 1199 1151 128.05      
9 A' 989 949 115.92      
10 A' 931 894 34.27      
11 A' 628 602 21.46      
12 A' 214 205 0.55      
13 A" 3195 3065 5.27      
14 A" 1044 1001 1.89      
15 A" 905 868 26.56      
16 A" 639 613 0.38      
17 A" 417 400 104.95      
18 A" 263 253 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 13425.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 12880.6 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 B2PLYP/cc-pVTZ
ABC
1.46072 0.14580 0.13625

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.659 -0.484 0.000
C2 0.000 0.644 0.000
C3 -0.653 1.774 0.000
O4 0.116 -1.746 0.000
H5 1.738 -0.518 0.000
H6 -0.930 2.273 0.921
H7 -0.930 2.273 -0.921
H8 -0.844 -1.661 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.30632.61151.37361.07973.31283.31281.9090
C21.30631.30522.39232.09072.08992.08992.4543
C32.61151.30523.60253.31211.08381.08383.4399
O41.37362.39233.60252.03484.25364.25360.9637
H51.07972.09073.31212.03483.96933.96932.8241
H63.31282.08991.08384.25363.96931.84274.0413
H73.31282.08991.08384.25363.96931.84274.0413
H81.90902.45433.43990.96372.82414.04134.0413

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.724 C1 O4 H8 108.245
C2 C1 O4 126.399 C2 C1 H5 122.090
C2 C3 H6 121.771 C2 C3 H7 121.771
O4 C1 H5 111.510 H6 C3 H7 116.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.015      
2 C -0.006      
3 C -0.330      
4 O -0.304      
5 H 0.158      
6 H 0.140      
7 H 0.140      
8 H 0.217      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.358 -2.045 0.000
y -2.045 8.906 0.000
z 0.000 0.000 3.803


<r2> (average value of r2) Å2
<r2> 87.682
(<r2>)1/2 9.364