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

using model chemistry: BLYP/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 BLYP/TZVP
 hartrees
Energy at 0K-268.421367
Energy at 298.15K-268.428330
HF Energy-268.421367
Nuclear repulsion energy176.371587
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/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' 3584 3575 34.45      
2 A' 3037 3029 22.78      
3 A' 2978 2970 21.92      
4 A' 2965 2957 11.39      
5 A' 1733 1729 253.80      
6 A' 1471 1467 8.73      
7 A' 1428 1424 16.67      
8 A' 1390 1386 6.20      
9 A' 1350 1347 23.75      
10 A' 1262 1259 2.36      
11 A' 1105 1102 152.53      
12 A' 1031 1028 168.04      
13 A' 982 979 4.77      
14 A' 776 774 8.06      
15 A' 590 588 11.48      
16 A' 451 450 19.82      
17 A' 246 246 2.37      
18 A" 3043 3036 24.55      
19 A" 2987 2980 3.97      
20 A" 1464 1461 7.26      
21 A" 1254 1251 0.00      
22 A" 1083 1080 0.10      
23 A" 794 792 12.70      
24 A" 633 632 87.82      
25 A" 501 500 24.66      
26 A" 205 204 0.01      
27 A" 19 19 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19180.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 19132.3 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/TZVP
ABC
0.33182 0.12416 0.09348

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.576 0.000
C2 -0.586 -0.828 0.000
C3 0.476 -1.936 0.000
O4 -0.998 1.530 0.000
O5 1.181 0.869 0.000
H6 -1.249 -0.908 0.875
H7 -1.249 -0.908 -0.875
H8 -0.006 -2.921 0.000
H9 1.121 -1.867 -0.884
H10 1.121 -1.867 0.884
H11 -0.546 2.401 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.52142.55661.38021.21672.12782.12783.49772.83042.83041.9050
C21.52141.53502.39352.44961.10071.10072.17252.18592.18593.2292
C32.55661.53503.76612.89152.19052.19051.09761.09671.09674.4558
O41.38022.39353.76612.27682.60232.60234.56064.10064.10060.9810
O51.21672.44962.89152.27683.13453.13453.97172.87622.87622.3093
H62.12781.10072.19052.60233.13451.75052.52293.10392.55693.4940
H72.12781.10072.19052.60233.13451.75052.52292.55693.10393.4940
H83.49772.17251.09764.56063.97172.52292.52291.77891.77895.3500
H92.83042.18591.09674.10062.87623.10392.55691.77891.76904.6675
H102.83042.18591.09674.10062.87622.55693.10391.77891.76904.6675
H111.90503.22924.45580.98102.30933.49403.49405.35004.66754.6675

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 113.543 C1 C2 H6 107.393
C1 C2 H7 107.393 C1 O4 H11 106.341
C2 C1 O4 111.059 C2 C1 O5 126.564
C2 C3 H8 110.117 C2 C3 H9 111.232
C2 C3 H10 111.232 C3 C2 H6 111.362
C3 C2 H7 111.362 O4 C1 O5 122.377
H6 C2 H7 105.344 H8 C3 H9 108.320
H8 C3 H10 108.320 H9 C3 H10 107.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 C -0.227      
3 C -0.329      
4 O -0.265      
5 O -0.282      
6 H 0.141      
7 H 0.141      
8 H 0.120      
9 H 0.123      
10 H 0.123      
11 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.463 -0.443 0.000 1.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.745 -0.638 0.000
y -0.638 -26.086 0.000
z 0.000 0.000 -30.108
Traceless
 xyz
x -7.648 -0.638 0.000
y -0.638 6.840 0.000
z 0.000 0.000 0.808
Polar
3z2-r21.616
x2-y2-9.659
xy-0.638
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.996 -0.202 0.000
y -0.202 7.669 0.000
z 0.000 0.000 5.103


<r2> (average value of r2) Å2
<r2> 126.984
(<r2>)1/2 11.269