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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-264.149214
Energy at 298.15K-264.154586
Nuclear repulsion energy165.109325
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 HF/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 A' 3607 3256 137.52      
2 A' 3426 3092 4.71      
3 A' 3389 3059 15.44      
4 A' 3227 2913 89.36      
5 A' 1847 1667 142.92      
6 A' 1739 1570 401.01      
7 A' 1593 1438 45.44      
8 A' 1541 1391 24.45      
9 A' 1511 1364 107.82      
10 A' 1373 1239 167.91      
11 A' 1189 1073 78.05      
12 A' 1029 929 110.03      
13 A' 978 882 4.77      
14 A' 538 485 26.76      
15 A' 307 277 5.94      
16 A" 1198 1082 11.23      
17 A" 1192 1076 16.37      
18 A" 923 833 240.27      
19 A" 896 809 74.41      
20 A" 480 433 11.16      
21 A" 293 264 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 16137.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 14565.2 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 HF/3-21G*
ABC
0.32799 0.17142 0.11258

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.097 0.000
C2 1.238 0.357 0.000
C3 -1.166 0.442 0.000
O4 1.299 -0.873 0.000
O5 -1.307 -0.889 0.000
H6 -0.434 -1.337 0.000
H7 0.021 2.165 0.000
H8 2.148 0.942 0.000
H9 -2.106 0.954 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.44291.33792.36042.37782.47321.06782.15392.1109
C21.44292.40601.23162.83372.38032.17971.08223.3971
C31.33792.40602.79411.33811.92402.09283.35221.0702
O42.36041.23162.79412.60591.79383.29612.00453.8642
O52.37782.83371.33812.60590.98163.33023.91052.0085
H62.47322.38031.92401.79380.98163.53183.44452.8365
H71.06782.17972.09283.29613.33023.53182.45342.4479
H82.15391.08223.35222.00453.91053.44452.45344.2543
H92.11093.39711.07023.86422.00852.83652.44794.2543

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.711 C1 C2 H8 116.352
C1 C3 O5 125.380 C1 C3 H9 122.072
C2 C1 C3 119.767 C2 C1 H7 119.748
C3 C1 H7 120.484 C3 O5 H6 111.152
O4 C2 H8 119.937 O5 C3 H9 112.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.560      
2 C 0.384      
3 C 0.315      
4 O -0.618      
5 O -0.720      
6 H 0.451      
7 H 0.249      
8 H 0.223      
9 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.251 3.018 0.000 3.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.417 0.433 0.000
y 0.433 -28.653 0.000
z 0.000 0.000 -30.184
Traceless
 xyz
x 0.001 0.433 0.000
y 0.433 1.148 0.000
z 0.000 0.000 -1.148
Polar
3z2-r2-2.297
x2-y2-0.764
xy0.433
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.487 0.358 0.000
y 0.358 5.343 0.000
z 0.000 0.000 1.533


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000