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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-268.335561
Energy at 298.15K-268.342502
HF Energy-268.335561
Nuclear repulsion energy175.813778
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 BLYP/6-31+G**
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' 3596 3577 36.89      
2 A' 3046 3030 23.96      
3 A' 2981 2965 24.54      
4 A' 2967 2952 13.87      
5 A' 1732 1723 275.07      
6 A' 1470 1462 8.49      
7 A' 1426 1419 15.81      
8 A' 1386 1378 4.72      
9 A' 1348 1341 28.23      
10 A' 1252 1245 6.09      
11 A' 1109 1103 182.13      
12 A' 1036 1031 139.61      
13 A' 980 975 1.47      
14 A' 778 774 7.65      
15 A' 583 580 13.22      
16 A' 447 445 20.43      
17 A' 242 241 2.51      
18 A" 3054 3037 24.51      
19 A" 2994 2978 4.67      
20 A" 1463 1456 7.56      
21 A" 1246 1239 0.00      
22 A" 1076 1070 0.04      
23 A" 787 783 13.48      
24 A" 638 634 90.30      
25 A" 502 500 23.11      
26 A" 207 206 0.00      
27 A" 23 23 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19184.6 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 19082.9 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 BLYP/6-31+G**
ABC
0.32944 0.12348 0.09292

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.577 0.000
C2 -0.593 -0.827 0.000
C3 0.467 -1.944 0.000
O4 -0.991 1.539 0.000
O5 1.191 0.868 0.000
H6 -1.259 -0.903 0.878
H7 -1.259 -0.903 -0.878
H8 -0.024 -2.930 0.000
H9 1.114 -1.878 -0.888
H10 1.114 -1.878 0.888
H11 -0.531 2.408 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.52412.56361.38101.22562.13212.13213.50682.83852.83851.9068
C21.52411.53942.39952.46031.10471.10472.17842.19232.19233.2362
C32.56361.53943.77562.90322.19812.19811.10131.10061.10064.4650
O41.38102.39953.77562.28232.60912.60914.57244.11054.11050.9835
O51.22562.46032.90322.28233.14743.14743.98702.88682.88682.3100
H62.13211.10472.19812.60913.14741.75622.53063.11442.56543.5025
H72.13211.10472.19812.60913.14741.75622.53062.56543.11443.5025
H83.50682.17841.10134.57243.98702.53062.53061.78571.78575.3623
H92.83852.19231.10064.11052.88683.11442.56541.78571.77534.6764
H102.83852.19231.10064.11052.88682.56543.11441.78571.77534.6764
H111.90683.23624.46500.98352.31003.50253.50255.36234.67644.6764

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 113.611 C1 C2 H6 107.326
C1 C2 H7 107.326 C1 O4 H11 106.278
C2 C1 O4 111.278 C2 C1 O5 126.616
C2 C3 H8 110.052 C2 C3 H9 111.201
C2 C3 H10 111.201 C3 C2 H6 111.412
C3 C2 H7 111.412 O4 C1 O5 122.107
H6 C2 H7 105.294 H8 C3 H9 108.381
H8 C3 H10 108.381 H9 C3 H10 107.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.360      
2 C -0.150      
3 C -0.517      
4 O -0.413      
5 O -0.438      
6 H 0.171      
7 H 0.171      
8 H 0.141      
9 H 0.163      
10 H 0.163      
11 H 0.350      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.512 -0.538 0.000 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.009 -0.615 0.000
y -0.615 -26.177 0.000
z 0.000 0.000 -30.287
Traceless
 xyz
x -7.776 -0.615 0.000
y -0.615 6.970 0.000
z 0.000 0.000 0.806
Polar
3z2-r21.612
x2-y2-9.831
xy-0.615
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.318 -0.186 0.000
y -0.186 7.857 0.000
z 0.000 0.000 5.179


<r2> (average value of r2) Å2
<r2> 127.730
(<r2>)1/2 11.302