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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-264.682475
Energy at 298.15K-264.687642
HF Energy-264.143344
Nuclear repulsion energy162.068293
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 QCISD/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' 3220 3121 0.22      
2 A' 3202 3104 24.41      
3 A' 3160 3062 62.30      
4 A' 2998 2906 95.39      
5 A' 1655 1604 199.64      
6 A' 1615 1565 71.84      
7 A' 1469 1424 52.96      
8 A' 1431 1387 38.66      
9 A' 1415 1371 65.07      
10 A' 1279 1240 101.42      
11 A' 1082 1049 48.16      
12 A' 953 924 94.61      
13 A' 901 873 0.24      
14 A' 506 491 17.17      
15 A' 310 300 3.02      
16 A" 1047 1015 15.08      
17 A" 1015 984 5.52      
18 A" 916 888 187.37      
19 A" 784 760 34.11      
20 A" 427 414 9.44      
21 A" 285 276 1.68      

Unscaled Zero Point Vibrational Energy (zpe) 14835.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 14378.5 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 QCISD/3-21G
ABC
0.31290 0.16725 0.10899

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.122 0.000
C2 1.254 0.372 0.000
C3 -1.187 0.453 0.000
O4 1.311 -0.898 0.000
O5 -1.321 -0.915 0.000
H6 -0.388 -1.309 0.000
H7 0.023 2.207 0.000
H8 2.186 0.960 0.000
H9 -2.148 0.961 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.46111.36232.40782.42732.46191.08512.19152.1543
C21.46112.44191.27082.87832.35022.20971.10193.4530
C31.36232.44192.83951.37391.93432.13043.41021.0880
O42.40781.27082.83952.63221.74883.36122.05343.9274
O52.42732.87831.37392.63221.01253.39813.97622.0504
H62.46192.35021.93431.74881.01253.53983.43162.8728
H71.08512.20972.13043.36123.39813.53982.49642.5027
H82.19151.10193.41022.05343.97623.43162.49644.3339
H92.15433.45301.08803.92742.05042.87282.50274.3339

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.468 C1 C2 H8 116.839
C1 C3 O5 125.028 C1 C3 H9 122.704
C2 C1 C3 119.697 C2 C1 H7 119.692
C3 C1 H7 120.611 C3 O5 H6 107.329
O4 C2 H8 119.693 O5 C3 H9 112.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at QCISD/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.544      
2 C 0.362      
3 C 0.287      
4 O -0.613      
5 O -0.702      
6 H 0.451      
7 H 0.251      
8 H 0.231      
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> 104.789
(<r2>)1/2 10.237