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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-323.584656
Energy at 298.15K-323.594400
HF Energy-323.584656
Nuclear repulsion energy245.978915
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 B97D3/6-31+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 3544 3483 7.41      
2 A 3448 3389 0.32      
3 A 3083 3030 9.68      
4 A 3044 2992 37.18      
5 A 3032 2979 815.01      
6 A 2986 2935 11.02      
7 A 2966 2915 124.18      
8 A 1778 1747 436.94      
9 A 1632 1604 31.60      
10 A 1490 1465 26.57      
11 A 1477 1451 181.88      
12 A 1439 1414 7.72      
13 A 1385 1361 12.74      
14 A 1334 1311 9.34      
15 A 1286 1264 2.76      
16 A 1262 1240 15.76      
17 A 1203 1182 106.26      
18 A 1124 1104 9.48      
19 A 1044 1026 14.96      
20 A 1025 1007 63.30      
21 A 996 978 32.42      
22 A 934 918 1.68      
23 A 898 882 30.79      
24 A 843 828 54.87      
25 A 790 777 13.63      
26 A 674 662 9.40      
27 A 557 547 2.13      
28 A 483 475 9.42      
29 A 407 400 11.54      
30 A 334 329 6.31      
31 A 283 278 11.04      
32 A 199 195 5.73      
33 A 83 81 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 23528.9 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 23124.2 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 B97D3/6-31+G**
ABC
0.23615 0.08322 0.06559

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.902 0.586 0.137
C2 1.374 -0.709 -0.359
C3 0.013 -1.007 0.292
C4 -1.086 0.037 0.023
O5 -0.672 1.323 -0.048
O6 -2.260 -0.268 -0.092
H7 2.675 0.919 -0.436
H8 2.248 0.496 1.093
H9 2.064 -1.550 -0.176
H10 1.251 -0.615 -1.447
H11 -0.368 -1.976 -0.049
H12 0.135 -1.081 1.385
H13 0.331 1.335 0.051

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.48412.47613.04062.68344.25521.01871.02032.16512.09193.42852.73081.7428
C21.48411.53822.59972.90043.67102.08532.07901.10251.09882.17672.17162.3316
C32.47611.53821.53942.45162.42053.36562.81012.17292.16981.09591.10302.3757
C43.04062.59971.53941.35291.21823.89093.53203.53312.83682.13882.14431.9221
O52.68342.90042.45161.35292.24863.39373.24193.96903.06753.31302.91221.0073
O64.25523.67102.42051.21822.24865.08794.72364.51093.77932.54942.92923.0502
H71.01872.08533.36563.89093.39375.08791.64302.55662.32444.21833.71052.4307
H81.02032.07902.81013.53203.24194.72361.64302.41442.94573.77622.65232.3382
H92.16511.10252.17293.53313.96904.51092.55662.41441.77432.47232.52573.3734
H102.09191.09882.16982.83683.06753.77932.32442.94571.77432.53503.07912.6255
H113.42852.17671.09592.13883.31302.54944.21833.77622.47232.53501.76453.3859
H122.73082.17161.10302.14432.91222.92923.71052.65232.52573.07911.76452.7667
H131.74282.33162.37571.92211.00733.05022.43072.33823.37342.62553.38592.7667

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 109.531 N1 C2 H9 114.557
N1 C2 H10 106.071 C2 N1 H7 111.516
C2 N1 H8 111.333 C2 C3 C4 113.924
C2 C3 H11 110.469 C2 C3 H12 110.117
C3 C2 H9 109.940 C3 C2 H10 109.417
C3 C4 O5 115.150 C3 C4 O6 122.881
C4 C3 H11 108.474 C4 C3 H12 106.702
C4 O5 H13 108.803 O5 C4 O6 121.897
H7 N1 H8 107.351 H9 C2 H10 107.143
H11 C3 H12 106.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.743      
2 C -0.217      
3 C -0.259      
4 C 0.336      
5 O -0.419      
6 O -0.432      
7 H 0.312      
8 H 0.313      
9 H 0.155      
10 H 0.172      
11 H 0.189      
12 H 0.179      
13 H 0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.738 -1.387 0.587 6.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.142 1.814 -0.352
y 1.814 -38.125 0.070
z -0.352 0.070 -34.075
Traceless
 xyz
x -4.042 1.814 -0.352
y 1.814 -1.016 0.070
z -0.352 0.070 5.058
Polar
3z2-r210.117
x2-y2-2.018
xy1.814
xz-0.352
yz0.070


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.787 0.338 0.137
y 0.338 7.987 -0.044
z 0.137 -0.044 6.267


<r2> (average value of r2) Å2
<r2> 173.656
(<r2>)1/2 13.178