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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-265.576731
Energy at 298.15K-265.582141
Nuclear repulsion energy165.633200
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 B3PW91/3-21G*
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' 3279 3146 0.33      
2 A' 3189 3059 14.52      
3 A' 3075 2950 61.36      
4 A' 2222 2132 269.19      
5 A' 1690 1622 323.18      
6 A' 1631 1564 104.33      
7 A' 1491 1430 70.90      
8 A' 1392 1336 26.36      
9 A' 1313 1259 96.74      
10 A' 1205 1156 59.10      
11 A' 1131 1085 3.99      
12 A' 1042 999 20.58      
13 A' 905 868 4.90      
14 A' 556 533 16.56      
15 A' 356 341 10.52      
16 A" 1180 1132 170.66      
17 A" 1059 1016 0.37      
18 A" 1035 993 13.03      
19 A" 819 786 42.31      
20 A" 439 421 18.09      
21 A" 359 345 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 14683.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 14086.8 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 B3PW91/3-21G*
ABC
0.31626 0.18413 0.11638

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.131 0.000
C2 1.206 0.382 0.000
C3 -1.181 0.423 0.000
O4 1.225 -0.899 0.000
O5 -1.224 -0.906 0.000
H6 -0.183 -1.223 0.000
H7 0.010 2.210 0.000
H8 2.159 0.922 0.000
H9 -2.151 0.914 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.41991.37702.37102.37582.36081.07942.16932.1615
C21.41992.38741.28092.74992.12252.18501.09583.3987
C31.37702.38742.74521.32891.92442.14793.37731.0869
O42.37101.28092.74522.44901.44513.33832.04703.8318
O52.37582.74991.32892.44901.08803.35113.84532.0418
H62.36082.12251.92441.44511.08803.43853.17632.9045
H71.07942.18502.14793.33833.35113.43852.50562.5197
H82.16931.09583.37732.04703.84533.17632.50564.3098
H92.16153.39871.08693.83182.04182.90452.51974.3098

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.694 C1 C2 H8 118.592
C1 C3 O5 122.800 C1 C3 H9 122.187
C2 C1 C3 117.207 C2 C1 H7 121.311
C3 C1 H7 121.482 C3 O5 H6 105.108
O4 C2 H8 118.715 O5 C3 H9 115.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.425      
2 C 0.208      
3 C 0.173      
4 O -0.513      
5 O -0.557      
6 H 0.400      
7 H 0.228      
8 H 0.228      
9 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.248 2.690 0.000 2.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.333 0.109 0.000
y 0.109 -28.427 0.000
z 0.000 0.000 -30.036
Traceless
 xyz
x 0.898 0.109 0.000
y 0.109 0.758 0.000
z 0.000 0.000 -1.656
Polar
3z2-r2-3.312
x2-y20.094
xy0.109
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.126 0.194 0.000
y 0.194 5.716 0.000
z 0.000 0.000 1.665


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