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

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-268.416088
Energy at 298.15K-268.423236
HF Energy-268.416088
Nuclear repulsion energy177.768077
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 B3LYP/cc-pVDZ
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' 3704 3593 50.81      
2 A' 3122 3029 20.99      
3 A' 3048 2956 15.99      
4 A' 3040 2948 17.06      
5 A' 1837 1782 259.90      
6 A' 1475 1430 13.61      
7 A' 1434 1391 11.95      
8 A' 1412 1369 31.21      
9 A' 1399 1357 23.58      
10 A' 1304 1265 0.63      
11 A' 1175 1140 240.06      
12 A' 1085 1053 49.08      
13 A' 1011 981 2.54      
14 A' 820 796 10.82      
15 A' 612 594 20.46      
16 A' 465 451 19.10      
17 A' 252 244 2.77      
18 A" 3128 3034 20.53      
19 A" 3070 2978 5.43      
20 A" 1465 1421 6.00      
21 A" 1268 1230 0.05      
22 A" 1099 1066 0.26      
23 A" 811 787 18.53      
24 A" 667 647 80.68      
25 A" 523 507 21.49      
26 A" 213 207 0.01      
27 A" 47 46 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19742.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 19150.4 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 B3LYP/cc-pVDZ
ABC
0.33724 0.12661 0.09531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.573 0.000
C2 -0.601 -0.815 0.000
C3 0.450 -1.920 0.000
O4 -0.961 1.532 0.000
O5 1.180 0.838 0.000
H6 -1.269 -0.884 0.877
H7 -1.269 -0.884 -0.877
H8 -0.029 -2.911 0.000
H9 1.099 -1.847 -0.886
H10 1.099 -1.847 0.886
H11 -0.485 2.383 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.51282.53331.35711.20972.12212.12213.48392.80182.80181.8738
C21.51281.52552.37412.43021.10411.10412.17252.17752.17753.2002
C32.53331.52553.72902.85222.19002.19001.10091.10051.10054.4034
O41.35712.37413.72902.25092.58902.58904.53914.05514.05510.9750
O51.20972.43022.85222.25093.11963.11963.93852.82812.82812.2722
H62.12211.10412.19002.58903.11961.75412.53193.10482.55563.4728
H72.12211.10412.19002.58903.11961.75412.53192.55563.10483.4728
H83.48392.17251.10094.53913.93852.53192.53191.78591.78595.3134
H92.80182.17751.10054.05512.82813.10482.55561.78591.77244.6030
H102.80182.17751.10054.05512.82812.55563.10481.78591.77244.6030
H111.87383.20024.40340.97502.27223.47283.47285.31344.60304.6030

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 112.978 C1 C2 H6 107.340
C1 C2 H7 107.340 C1 O4 H11 105.756
C2 C1 O4 111.519 C2 C1 O5 126.046
C2 C3 H8 110.574 C2 C3 H9 111.000
C2 C3 H10 111.000 C3 C2 H6 111.775
C3 C2 H7 111.775 O4 C1 O5 122.435
H6 C2 H7 105.190 H8 C3 H9 108.437
H8 C3 H10 108.437 H9 C3 H10 107.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 C -0.053      
3 C -0.003      
4 O -0.176      
5 O -0.238      
6 H 0.044      
7 H 0.044      
8 H 0.015      
9 H 0.033      
10 H 0.033      
11 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.442 -0.200 0.000 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.254 -0.517 0.000
y -0.517 -25.310 0.000
z 0.000 0.000 -29.197
Traceless
 xyz
x -7.000 -0.517 0.000
y -0.517 6.416 0.000
z 0.000 0.000 0.585
Polar
3z2-r21.169
x2-y2-8.944
xy-0.517
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.002 -0.147 0.000
y -0.147 6.760 0.000
z 0.000 0.000 4.337


<r2> (average value of r2) Å2
<r2> 124.368
(<r2>)1/2 11.152