return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H4O2 (propenalol)

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-265.591750
Energy at 298.15K-265.597150
HF Energy-265.591750
Nuclear repulsion energy165.436519
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 wB97X-D/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' 3300 3127 0.45      
2 A' 3237 3068 8.07      
3 A' 3093 2932 66.94      
4 A' 2642 2504 231.71      
5 A' 1697 1609 259.07      
6 A' 1678 1590 143.07      
7 A' 1501 1423 72.23      
8 A' 1425 1350 11.73      
9 A' 1372 1300 101.83      
10 A' 1316 1247 140.48      
11 A' 1142 1083 13.77      
12 A' 1035 981 39.81      
13 A' 926 878 3.25      
14 A' 550 521 18.12      
15 A' 344 326 6.04      
16 A" 1124 1065 158.51      
17 A" 1079 1023 0.73      
18 A" 1051 996 45.83      
19 A" 822 779 43.92      
20 A" 446 422 16.65      
21 A" 342 324 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 15059.8 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 14273.7 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 wB97X-D/3-21G*
ABC
0.31910 0.18061 0.11533

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.134 0.000
C2 1.213 0.354 0.000
C3 -1.157 0.439 0.000
O4 1.198 -0.890 0.000
O5 -1.211 -0.901 0.000
H6 -0.287 -1.286 0.000
H7 0.021 2.213 0.000
H8 2.154 0.927 0.000
H9 -2.128 0.921 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.44251.34942.35232.36792.43671.07982.16392.1385
C21.44252.37171.24402.72962.22262.20911.10183.3892
C31.34942.37172.70451.34141.93172.12983.34671.0843
O42.35231.24402.70452.40921.53753.31952.05363.7877
O52.36792.72961.34142.40921.00033.34943.82962.0404
H62.43672.22261.93171.53751.00033.51293.29532.8740
H71.07982.20912.12983.31953.34943.51292.49062.5076
H82.16391.10183.34672.05363.82963.29532.49064.2820
H92.13853.38921.08433.78772.04042.87402.50764.2820

picture of propenalol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.051 C1 C2 H8 115.881
C1 C3 O5 123.290 C1 C3 H9 122.601
C2 C1 C3 116.274 C2 C1 H7 121.615
C3 C1 H7 122.111 C3 O5 H6 110.312
O4 C2 H8 122.068 O5 C3 H9 114.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.444      
2 C 0.230      
3 C 0.182      
4 O -0.516      
5 O -0.578      
6 H 0.408      
7 H 0.231      
8 H 0.225      
9 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.282 2.677 0.000 2.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.420 0.177 0.000
y 0.177 -28.284 0.000
z 0.000 0.000 -29.955
Traceless
 xyz
x 0.699 0.177 0.000
y 0.177 0.904 0.000
z 0.000 0.000 -1.603
Polar
3z2-r2-3.206
x2-y2-0.136
xy0.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.013 0.278 0.000
y 0.278 5.639 0.000
z 0.000 0.000 1.641


<r2> (average value of r2) Å2
<r2> 99.842
(<r2>)1/2 9.992