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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-266.553537
Energy at 298.15K-266.558673
HF Energy-265.658312
Nuclear repulsion energy165.424663
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 MP2/6-31G(2df,p)
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' 3301 3118 0.38      
2 A' 3247 3066 35.48      
3 A' 3197 3020 156.28      
4 A' 3046 2877 96.66      
5 A' 1722 1627 161.60      
6 A' 1672 1579 256.31      
7 A' 1489 1406 51.46      
8 A' 1437 1357 55.33      
9 A' 1425 1346 15.82      
10 A' 1305 1233 136.09      
11 A' 1120 1058 11.99      
12 A' 1016 959 52.33      
13 A' 895 845 6.46      
14 A' 516 488 17.50      
15 A' 288 272 5.31      
16 A" 1061 1002 9.36      
17 A" 1015 959 18.81      
18 A" 923 872 61.85      
19 A" 794 750 31.37      
20 A" 389 367 4.42      
21 A" 283 268 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 15070.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 14234.0 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 MP2/6-31G(2df,p)
ABC
0.32855 0.17346 0.11352

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.103 0.000
C2 1.231 0.360 0.000
C3 -1.180 0.425 0.000
O4 1.285 -0.879 0.000
O5 -1.284 -0.890 0.000
H6 -0.345 -1.221 0.000
H7 0.006 2.182 0.000
H8 2.171 0.934 0.000
H9 -2.142 0.930 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.43811.36162.36242.37152.35001.07902.17772.1488
C21.43812.41231.24012.80872.23252.19571.10163.4206
C31.36162.41232.78891.31911.84562.12083.39001.0860
O42.36241.24012.78892.56921.66573.31762.01803.8749
O52.37152.80871.31912.56920.99553.33273.90742.0121
H62.35002.23251.84561.66570.99553.42153.31312.8026
H71.07902.19572.12083.31763.33273.42152.49892.4865
H82.17771.10163.39002.01803.90743.31312.49894.3129
H92.14883.42061.08603.87492.01212.80262.48654.3129

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.628 C1 C2 H8 117.452
C1 C3 O5 124.409 C1 C3 H9 122.377
C2 C1 C3 118.971 C2 C1 H7 120.796
C3 C1 H7 120.232 C3 O5 H6 104.894
O4 C2 H8 118.919 O5 C3 H9 113.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.417      
2 C 0.289      
3 C 0.257      
4 O -0.528      
5 O -0.521      
6 H 0.428      
7 H 0.161      
8 H 0.148      
9 H 0.184      


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> 100.905
(<r2>)1/2 10.045