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

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-323.670787
Energy at 298.15K-323.680595
Nuclear repulsion energy247.904186
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 B1B95/aug-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 3616 3464 9.40      
2 A 3526 3378 1.42      
3 A 3279 3141 743.53      
4 A 3153 3020 6.09      
5 A 3109 2978 18.25      
6 A 3056 2927 5.49      
7 A 3037 2909 57.74      
8 A 1845 1767 440.59      
9 A 1631 1562 29.54      
10 A 1490 1428 47.11      
11 A 1479 1417 208.33      
12 A 1431 1371 9.50      
13 A 1399 1341 9.94      
14 A 1355 1298 13.41      
15 A 1300 1245 8.50      
16 A 1283 1229 19.84      
17 A 1247 1194 50.06      
18 A 1138 1090 8.40      
19 A 1094 1048 6.29      
20 A 1013 970 9.27      
21 A 981 940 66.22      
22 A 957 917 29.92      
23 A 907 869 19.69      
24 A 868 831 39.14      
25 A 813 779 25.43      
26 A 690 661 8.84      
27 A 575 551 2.38      
28 A 482 462 9.35      
29 A 403 386 12.48      
30 A 326 313 6.12      
31 A 275 264 9.37      
32 A 194 186 5.09      
33 A 86 82 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 24018.4 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 23007.2 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 B1B95/aug-cc-pVDZ
ABC
0.24221 0.08381 0.06650

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.911 0.568 0.148
C2 1.355 -0.688 -0.370
C3 0.014 -0.986 0.291
C4 -1.081 0.036 0.027
O5 -0.681 1.310 -0.055
O6 -2.242 -0.273 -0.085
H7 2.690 0.889 -0.416
H8 2.257 0.448 1.095
H9 2.029 -1.546 -0.228
H10 1.212 -0.565 -1.450
H11 -0.369 -1.956 -0.039
H12 0.144 -1.052 1.382
H13 0.304 1.336 0.055

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.46802.45643.04092.70304.24291.01381.01562.15052.07983.40632.69591.7835
C21.46801.52482.57242.87043.63212.06642.06131.09991.09682.16552.16072.3206
C32.45641.52481.52092.42432.39553.34322.78102.15502.15501.09371.10052.3525
C43.04092.57241.52091.33861.20623.89163.52893.49852.79242.11652.12591.8998
O52.70302.87042.42431.33862.22363.41623.27053.94113.00723.28162.88510.9907
O64.24293.63212.39551.20622.22365.07754.70644.45893.72472.51882.90683.0145
H71.01382.06643.34323.89163.41625.07751.63192.52952.31704.19423.67142.4734
H81.01562.06132.78103.52893.27054.70641.63192.40342.93173.73622.60692.3848
H92.15051.09992.15503.49853.94114.45892.52952.40341.76782.44012.52803.3712
H102.07981.09682.15502.79243.00723.72472.31702.93171.76782.53473.06562.5890
H113.40632.16551.09372.11653.28162.51884.19423.73622.44012.53471.76083.3618
H122.69592.16071.10052.12592.88512.90683.67142.60692.52803.06561.76082.7367
H131.78352.32062.35251.89980.99073.01452.47342.38483.37122.58903.36182.7367

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 110.313 N1 C2 H9 112.966
N1 C2 H10 107.492 C2 N1 H7 111.427
C2 N1 H8 110.879 C2 C3 C4 115.250
C2 C3 H11 110.503 C2 C3 H12 109.717
C3 C2 H9 109.305 C3 C2 H10 109.490
C3 C4 O5 115.801 C3 C4 O6 122.476
C4 C3 H11 106.955 C4 C3 H12 107.291
C4 O5 H13 108.376 O5 C4 O6 121.715
H7 N1 H8 107.051 H9 C2 H10 107.170
H11 C3 H12 106.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.381      
2 C 1.001      
3 C 0.558      
4 C 0.658      
5 O -0.461      
6 O -0.534      
7 H -0.020      
8 H 0.032      
9 H -0.270      
10 H -0.407      
11 H -0.233      
12 H -0.201      
13 H 0.258      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.473 -1.267 0.560 6.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.975 1.462 -0.336
y 1.462 -37.662 0.020
z -0.336 0.020 -33.860
Traceless
 xyz
x -4.214 1.462 -0.336
y 1.462 -0.745 0.020
z -0.336 0.020 4.959
Polar
3z2-r29.918
x2-y2-2.313
xy1.462
xz-0.336
yz0.020


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.768 0.330 0.110
y 0.330 8.106 -0.013
z 0.110 -0.013 6.546


<r2> (average value of r2) Å2
<r2> 199.250
(<r2>)1/2 14.116