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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-264.599711
Energy at 298.15K-264.604961
Nuclear repulsion energy163.511028
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 CID/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' 3403 3166 83.91      
2 A' 3322 3091 3.89      
3 A' 3278 3050 19.82      
4 A' 3110 2894 90.96      
5 A' 1751 1629 117.24      
6 A' 1686 1568 273.49      
7 A' 1524 1418 52.31      
8 A' 1489 1386 63.98      
9 A' 1479 1376 32.05      
10 A' 1324 1232 128.35      
11 A' 1136 1057 67.13      
12 A' 989 921 101.46      
13 A' 936 871 1.94      
14 A' 521 485 20.36      
15 A' 309 287 4.12      
16 A" 1105 1028 12.21      
17 A" 1080 1004 0.16      
18 A" 914 850 221.71      
19 A" 826 769 40.60      
20 A" 445 414 9.48      
21 A" 286 266 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 15456.2 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 14382.0 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 CID/3-21G*
ABC
0.32053 0.16887 0.11060

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.109 0.000
C2 1.248 0.362 0.000
C3 -1.176 0.449 0.000
O4 1.307 -0.886 0.000
O5 -1.317 -0.901 0.000
H6 -0.411 -1.319 0.000
H7 0.024 2.186 0.000
H8 2.169 0.950 0.000
H9 -2.128 0.961 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.45441.34902.38522.40282.46281.07732.17522.1330
C21.45442.42571.24942.85852.36162.19681.09333.4282
C31.34902.42572.81951.35701.92662.11153.38311.0803
O42.38521.24942.81952.62391.77183.32952.02863.8998
O52.40282.85851.35702.62390.99773.36553.94702.0303
H62.46282.36161.92661.77180.99773.53213.43622.8538
H71.07732.19682.11153.32953.36553.53212.47612.4762
H82.17521.09333.38312.02863.94703.43622.47614.2972
H92.13303.42821.08033.89982.03032.85382.47624.2972

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.636 C1 C2 H8 116.539
C1 C3 O5 125.242 C1 C3 H9 122.426
C2 C1 C3 119.783 C2 C1 H7 119.647
C3 C1 H7 120.571 C3 O5 H6 108.850
O4 C2 H8 119.825 O5 C3 H9 112.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CID/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.551      
2 C 0.374      
3 C 0.299      
4 O -0.615      
5 O -0.710      
6 H 0.450      
7 H 0.250      
8 H 0.226      
9 H 0.276      


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