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

using model chemistry: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-268.403460
Energy at 298.15K-268.410598
HF Energy-268.403460
Nuclear repulsion energy178.752904
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/cc-pVTZ
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' 3774 3629 58.48      
2 A' 3127 3007 18.47      
3 A' 3054 2937 19.13      
4 A' 3048 2931 10.74      
5 A' 1836 1765 278.28      
6 A' 1496 1438 11.85      
7 A' 1452 1396 16.68      
8 A' 1417 1363 9.40      
9 A' 1409 1354 55.77      
10 A' 1307 1256 2.01      
11 A' 1171 1126 231.94      
12 A' 1089 1048 65.18      
13 A' 1016 977 2.49      
14 A' 823 791 12.08      
15 A' 616 592 18.57      
16 A' 468 450 19.48      
17 A' 249 239 2.94      
18 A" 3131 3011 18.84      
19 A" 3077 2959 2.76      
20 A" 1488 1431 7.54      
21 A" 1280 1231 0.15      
22 A" 1106 1064 0.38      
23 A" 813 782 18.24      
24 A" 658 633 79.26      
25 A" 521 501 24.48      
26 A" 205 197 0.01      
27 A" 44 42 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19835.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 19074.0 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/cc-pVTZ
ABC
0.34132 0.12770 0.09619

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 -0.592 -0.812 0.000
C3 0.452 -1.912 0.000
O4 -0.961 1.521 0.000
O5 1.172 0.840 0.000
H6 -1.253 -0.882 0.869
H7 -1.253 -0.882 -0.869
H8 -0.027 -2.892 0.000
H9 1.094 -1.843 -0.878
H10 1.094 -1.843 0.878
H11 -0.502 2.372 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50412.52351.35141.20272.10612.10613.46242.79222.79221.8697
C21.50411.51702.36162.41721.09391.09392.15532.16322.16323.1850
C32.52351.51703.71232.84482.17342.17341.09051.08991.08994.3887
O41.35142.36163.71232.23902.57182.57184.51024.03894.03890.9670
O51.20272.41722.84482.23903.09883.09883.91972.82482.82482.2688
H62.10611.09392.17342.57183.09881.73802.50943.07982.53633.4507
H72.10611.09392.17342.57183.09881.73802.50942.53633.07983.4507
H83.46242.15531.09054.51023.91972.50942.50941.76811.76815.2848
H92.79222.16321.08994.03892.82483.07982.53631.76811.75644.5920
H102.79222.16321.08994.03892.82482.53633.07981.76811.75644.5920
H111.86973.18504.38870.96702.26883.45073.45075.28484.59204.5920

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 113.289 C1 C2 H6 107.268
C1 C2 H7 107.268 C1 O4 H11 106.322
C2 C1 O4 111.482 C2 C1 O5 126.146
C2 C3 H8 110.425 C2 C3 H9 111.096
C2 C3 H10 111.096 C3 C2 H6 111.674
C3 C2 H7 111.674 O4 C1 O5 122.372
H6 C2 H7 105.205 H8 C3 H9 108.370
H8 C3 H10 108.370 H9 C3 H10 107.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.290      
2 C -0.192      
3 C -0.266      
4 O -0.254      
5 O -0.304      
6 H 0.112      
7 H 0.112      
8 H 0.092      
9 H 0.100      
10 H 0.100      
11 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.554 -0.345 0.000 1.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.532 -0.620 0.000
y -0.620 -25.282 0.000
z 0.000 0.000 -29.297
Traceless
 xyz
x -7.243 -0.620 0.000
y -0.620 6.633 0.000
z 0.000 0.000 0.610
Polar
3z2-r21.220
x2-y2-9.250
xy-0.620
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.578 -0.176 0.000
y -0.176 7.307 0.000
z 0.000 0.000 4.907


<r2> (average value of r2) Å2
<r2> 123.435
(<r2>)1/2 11.110