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All results from a given calculation for CH3CH2COOH (Propanoic Acid)

using model chemistry: B3PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-268.399883
Energy at 298.15K-268.407004
HF Energy-268.399883
Nuclear repulsion energy178.571860
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/TZVP
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' 3773 3638 58.96      
2 A' 3133 3021 18.44      
3 A' 3059 2950 18.97      
4 A' 3054 2945 10.01      
5 A' 1834 1769 295.09      
6 A' 1499 1445 12.67      
7 A' 1455 1403 17.14      
8 A' 1421 1370 5.23      
9 A' 1408 1358 63.76      
10 A' 1305 1259 2.59      
11 A' 1170 1128 236.56      
12 A' 1089 1050 75.77      
13 A' 1019 983 2.14      
14 A' 822 792 12.10      
15 A' 619 597 16.85      
16 A' 470 453 20.74      
17 A' 251 242 2.72      
18 A" 3139 3027 19.31      
19 A" 3086 2976 2.53      
20 A" 1492 1439 8.48      
21 A" 1283 1237 0.05      
22 A" 1109 1070 0.34      
23 A" 815 786 18.42      
24 A" 653 630 93.23      
25 A" 519 500 27.34      
26 A" 210 202 0.01      
27 A" 33 32 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19858.4 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 19149.4 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/TZVP
ABC
0.34087 0.12739 0.09599

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 -0.592 -0.813 0.000
C3 0.454 -1.914 0.000
O4 -0.962 1.522 0.000
O5 1.172 0.842 0.000
H6 -1.252 -0.885 0.870
H7 -1.252 -0.885 -0.870
H8 -0.028 -2.894 0.000
H9 1.096 -1.846 -0.879
H10 1.096 -1.846 0.879
H11 -0.509 2.378 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50512.52561.35331.20342.10782.10783.46432.79572.79571.8772
C21.50511.51842.36432.41951.09471.09472.15572.16562.16563.1917
C32.52561.51843.71632.84832.17422.17421.09161.09081.09084.3980
O41.35332.36433.71632.24042.57552.57554.51354.04424.04420.9683
O51.20342.41952.84832.24043.10123.10123.92382.82992.82992.2767
H62.10781.09472.17422.57553.10121.74092.50863.08202.53723.4571
H72.10781.09472.17422.57553.10121.74092.50862.53723.08203.4571
H83.46432.15571.09164.51353.92382.50862.50861.76961.76965.2930
H92.79572.16561.09084.04422.82993.08202.53721.76961.75874.6032
H102.79572.16561.09084.04422.82992.53723.08201.76961.75874.6032
H111.87723.19174.39800.96832.27673.45713.45715.29304.60324.6032

picture of Propanoic Acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.294 C1 C2 H6 107.290
C1 C2 H7 107.290 C1 O4 H11 106.740
C2 C1 O4 111.502 C2 C1 O5 126.216
C2 C3 H8 110.298 C2 C3 H9 111.134
C2 C3 H10 111.134 C3 C2 H6 111.588
C3 C2 H7 111.588 O4 C1 O5 122.281
H6 C2 H7 105.345 H8 C3 H9 108.359
H8 C3 H10 108.359 H9 C3 H10 107.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.207      
2 C -0.236      
3 C -0.348      
4 O -0.279      
5 O -0.315      
6 H 0.147      
7 H 0.147      
8 H 0.128      
9 H 0.130      
10 H 0.130      
11 H 0.291      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.550 -0.387 0.000 1.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.161 -0.568 0.000
y -0.568 -25.280 0.000
z 0.000 0.000 -29.467
Traceless
 xyz
x -7.787 -0.568 0.000
y -0.568 7.034 0.000
z 0.000 0.000 0.753
Polar
3z2-r21.506
x2-y2-9.881
xy-0.568
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.637 -0.133 0.000
y -0.133 7.036 0.000
z 0.000 0.000 4.873


<r2> (average value of r2) Å2
<r2> 123.836
(<r2>)1/2 11.128