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All results from a given calculation for NH2CH2CH2COOH (β–alanine)

using model chemistry: SVWN/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at SVWN/3-21G*
 hartrees
Energy at 0K-320.317690
Energy at 298.15K-320.327759
Nuclear repulsion energy248.532742
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 SVWN/3-21G*
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 3445 3445 15.55      
2 A 3340 3340 4.76      
3 A 3088 3088 1.29      
4 A 3048 3048 8.22      
5 A 2982 2982 22.76      
6 A 2977 2977 8.17      
7 A 2099 2099 805.19      
8 A 1784 1784 759.16      
9 A 1654 1654 201.69      
10 A 1624 1624 67.65      
11 A 1488 1488 7.19      
12 A 1451 1451 11.78      
13 A 1371 1371 17.22      
14 A 1349 1349 74.41      
15 A 1322 1322 18.53      
16 A 1276 1276 8.21      
17 A 1264 1264 52.00      
18 A 1214 1214 88.87      
19 A 1131 1131 12.74      
20 A 1063 1063 2.04      
21 A 1001 1001 28.31      
22 A 946 946 2.21      
23 A 914 914 36.63      
24 A 855 855 45.41      
25 A 795 795 23.41      
26 A 697 697 17.04      
27 A 587 587 6.77      
28 A 500 500 13.34      
29 A 443 443 7.54      
30 A 430 430 6.09      
31 A 348 348 4.44      
32 A 208 208 4.09      
33 A 92 92 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 23390.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23390.4 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 SVWN/3-21G*
ABC
0.23935 0.08703 0.06843

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.833 -0.558 0.178
C2 -1.323 0.723 -0.381
C3 0.014 1.031 0.273
C4 1.063 -0.066 0.018
O5 0.548 -1.296 -0.083
O6 2.260 0.195 -0.056
H7 -2.601 -0.970 -0.376
H8 -2.109 -0.462 1.170
H9 -2.042 1.554 -0.250
H10 -1.171 0.561 -1.464
H11 0.432 1.977 -0.105
H12 -0.122 1.145 1.369
H13 -0.552 -1.225 0.065

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.48822.43902.94212.50654.16901.03251.03482.16512.09413.41212.69201.4490
C21.48821.52012.54462.76883.63652.12192.10471.10651.10482.17492.16362.1420
C32.43901.52011.53902.41422.41913.35692.74652.18482.15411.10121.11012.3354
C42.94212.54461.53901.33751.22783.79483.39793.51222.75302.14202.16681.9881
O52.50652.76882.41421.33752.27103.17953.05393.85462.88263.27562.91831.1118
O64.16903.63652.41911.22782.27105.00974.58564.51573.72662.55332.93423.1527
H71.03252.12193.35693.79483.17955.00971.70052.58882.36124.23863.69642.1117
H81.03482.10472.74653.39793.05394.58561.70052.46682.97733.74642.56292.0567
H92.16511.10652.18483.51223.85464.51572.58882.46681.79382.51422.54353.1688
H102.09411.10482.15412.75302.88263.72662.36122.97731.79382.53403.07582.4306
H113.41212.17491.10122.14203.27562.55334.23863.74642.51422.53401.78103.3543
H122.69202.16361.11012.16682.91832.93423.69642.56292.54353.07581.78102.7390
H131.44902.14202.33541.98811.11183.15272.11172.05673.16882.43063.35432.7390

picture of β–alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.338 N1 C2 H9 112.278
N1 C2 H10 106.792 C2 N1 H7 113.424
C2 N1 H8 111.810 C2 C3 C4 112.568
C2 C3 H11 111.132 C2 C3 H12 109.706
C3 C2 H9 111.593 C3 C2 H10 109.271
C3 C4 O5 113.944 C3 C4 O6 121.520
C4 C3 H11 107.283 C4 C3 H12 108.676
C4 O5 H13 108.174 O5 C4 O6 124.524
H7 N1 H8 110.686 H9 C2 H10 108.425
H11 C3 H12 107.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.693      
2 C -0.338      
3 C -0.553      
4 C 0.562      
5 O -0.538      
6 O -0.447      
7 H 0.330      
8 H 0.324      
9 H 0.231      
10 H 0.262      
11 H 0.255      
12 H 0.238      
13 H 0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -7.637 1.390 0.681 7.793
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.742 3.076 -0.124
y 3.076 -37.154 -0.420
z -0.124 -0.420 -32.890
Traceless
 xyz
x -1.720 3.076 -0.124
y 3.076 -2.337 -0.420
z -0.124 -0.420 4.058
Polar
3z2-r28.116
x2-y20.411
xy3.076
xz-0.124
yz-0.420


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.547 0.544 -0.088
y 0.544 5.804 0.074
z -0.088 0.074 4.669


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000