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All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-264.657759
Energy at 298.15K-264.663001
HF Energy-264.142862
Nuclear repulsion energy162.553120
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 MP2/3-21G
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' 3270 3121 1.56      
2 A' 3233 3086 4.81      
3 A' 3058 2919 74.64      
4 A' 3037 2899 126.02      
5 A' 1653 1577 261.95      
6 A' 1612 1538 17.30      
7 A' 1485 1417 54.65      
8 A' 1437 1372 5.59      
9 A' 1417 1352 70.91      
10 A' 1298 1239 120.53      
11 A' 1108 1057 45.16      
12 A' 977 932 76.28      
13 A' 910 869 0.60      
14 A' 519 496 15.80      
15 A' 321 306 2.90      
16 A" 1062 1014 24.83      
17 A" 1028 981 31.23      
18 A" 953 910 139.10      
19 A" 791 755 37.68      
20 A" 428 408 10.06      
21 A" 305 291 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 14949.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 14269.7 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 MP2/3-21G
ABC
0.31275 0.16984 0.11007

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.124 0.000
C2 1.244 0.376 0.000
C3 -1.187 0.449 0.000
O4 1.300 -0.902 0.000
O5 -1.304 -0.912 0.000
H6 -0.354 -1.287 0.000
H7 0.018 2.206 0.000
H8 2.177 0.955 0.000
H9 -2.149 0.950 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.45201.36612.40732.41822.43761.08172.18312.1560
C21.45202.43271.27922.85532.30712.20311.09753.4415
C31.36612.43272.83001.36581.92552.13063.40181.0845
O42.40731.27922.83002.60351.69823.36202.05403.9143
O52.41822.85531.36582.60351.02103.38663.94982.0449
H62.43762.30711.92551.69821.02103.51303.38152.8681
H71.08172.20312.13063.36203.38663.51302.49502.5042
H82.18311.09753.40182.05403.94983.38152.49504.3255
H92.15603.44151.08453.91432.04492.86812.50424.3255

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.495 C1 C2 H8 117.119
C1 C3 O5 124.542 C1 C3 H9 122.824
C2 C1 C3 119.334 C2 C1 H7 120.091
C3 C1 H7 120.574 C3 O5 H6 106.661
O4 C2 H8 119.386 O5 C3 H9 112.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.550      
2 C 0.358      
3 C 0.296      
4 O -0.618      
5 O -0.704      
6 H 0.455      
7 H 0.252      
8 H 0.234      
9 H 0.277      


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> 103.960
(<r2>)1/2 10.196