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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-50.911499
Energy at 298.15K-50.916439
HF Energy-50.163593
Nuclear repulsion energy88.177380
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 MP2/CEP-121G*
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' 3330 3173 119.98      
2 A' 3261 3107 5.66      
3 A' 3224 3072 26.93      
4 A' 3049 2905 102.45      
5 A' 1686 1607 231.80      
6 A' 1633 1556 237.19      
7 A' 1473 1404 57.19      
8 A' 1413 1347 68.24      
9 A' 1405 1339 14.47      
10 A' 1283 1223 167.84      
11 A' 1109 1057 19.07      
12 A' 987 940 65.91      
13 A' 883 841 7.13      
14 A' 498 474 19.83      
15 A' 279 266 4.73      
16 A" 1002 954 9.52      
17 A" 939 894 56.46      
18 A" 804 766 29.11      
19 A" 749 714 78.77      
20 A" 352 335 5.30      
21 A" 255 243 6.13      

Unscaled Zero Point Vibrational Energy (zpe) 14807.4 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 14108.5 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 MP2/CEP-121G*
ABC
0.32211 0.16569 0.10941

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.108 0.000
C2 1.257 0.373 0.000
C3 -1.197 0.432 0.000
O4 1.322 -0.882 0.000
O5 -1.322 -0.905 0.000
H6 -0.393 -1.267 0.000
H7 0.000 2.192 0.000
H8 2.194 0.955 0.000
H9 -2.159 0.942 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.45581.37432.38912.40772.40741.08442.19932.1649
C21.45582.45411.25672.87752.32612.21111.10383.4622
C31.37432.45412.84091.34251.87982.12853.43091.0884
O42.38911.25672.84092.64391.75763.34652.03413.9294
O52.40772.87751.34252.64390.99723.36723.97762.0269
H62.40742.32611.87981.75760.99723.48173.41082.8278
H71.08442.21112.12853.34653.36723.48172.51842.4948
H82.19931.10383.43092.03413.97763.41082.51844.3526
H92.16493.46221.08843.92942.02692.82782.49484.3526

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.303 C1 C2 H8 117.811
C1 C3 O5 124.799 C1 C3 H9 122.636
C2 C1 C3 120.225 C2 C1 H7 120.315
C3 C1 H7 119.461 C3 O5 H6 105.981
O4 C2 H8 118.886 O5 C3 H9 112.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 C 0.159      
3 C 0.079      
4 O -0.501      
5 O -0.561      
6 H 0.523      
7 H 0.243      
8 H 0.153      
9 H 0.207      


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


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