return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3NHCH2COOH (Sarcosine)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-323.625163
Energy at 298.15K-323.634687
Nuclear repulsion energy244.205455
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 B3PW91/6-31G**
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 3553 3405 4.12      
2 A 3433 3290 349.67      
3 A 3147 3016 20.42      
4 A 3109 2980 2.65      
5 A 3104 2975 33.35      
6 A 3056 2929 17.72      
7 A 3011 2886 70.73      
8 A 1901 1822 350.20      
9 A 1526 1462 12.01      
10 A 1506 1443 27.72      
11 A 1494 1432 17.33      
12 A 1481 1419 22.87      
13 A 1462 1401 27.37      
14 A 1445 1384 370.41      
15 A 1344 1288 6.72      
16 A 1291 1237 3.57      
17 A 1246 1195 12.96      
18 A 1188 1138 30.58      
19 A 1159 1111 26.48      
20 A 1139 1092 8.87      
21 A 1012 970 23.41      
22 A 981 941 24.74      
23 A 927 889 55.31      
24 A 888 851 15.70      
25 A 786 753 73.59      
26 A 646 619 3.56      
27 A 574 550 8.53      
28 A 478 458 9.56      
29 A 380 364 5.15      
30 A 290 278 6.16      
31 A 206 197 2.00      
32 A 140 134 2.67      
33 A 72 69 6.22      

Unscaled Zero Point Vibrational Energy (zpe) 23987.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 22989.2 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 B3PW91/6-31G**
ABC
0.30305 0.06756 0.05807

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.196 0.231 -0.344
C2 2.513 -0.063 0.211
C3 0.154 -0.737 -0.016
C4 -1.220 -0.057 0.024
O5 -1.138 1.275 0.103
O6 -2.259 -0.670 0.017
H7 1.267 0.322 -1.353
H8 0.095 -1.604 -0.686
H9 2.919 -1.039 -0.097
H10 3.217 0.715 -0.097
H11 0.339 -1.127 0.992
H12 2.457 -0.047 1.303
H13 -0.168 1.458 0.066

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.45911.46012.46142.59603.58891.01592.16742.15442.09292.08932.09281.8797
C21.45912.46453.73843.89054.81462.03673.00431.10061.09332.54391.09433.0858
C31.46012.46451.53352.39382.41382.03701.09732.78253.39131.09652.74222.2195
C42.46143.73841.53351.33681.20572.86852.15144.25554.50612.12433.89311.8450
O52.59603.89052.39381.33682.24572.96903.23004.67474.39632.95674.01390.9883
O63.58894.81462.41381.20572.24573.91072.62875.19195.64982.81224.92722.9833
H71.01592.03672.03702.86852.96903.91072.35152.48212.35292.90892.93432.3159
H82.16743.00431.09732.15143.23002.62872.35152.93893.93341.76083.45773.1638
H92.15441.10062.78254.25554.67475.19192.48212.93891.77912.80121.77663.9732
H102.09291.09333.39134.50614.39635.64982.35293.93341.77913.58691.76693.4698
H112.08932.54391.09652.12432.95672.81222.90891.76082.80123.58692.39752.7921
H122.09281.09432.74223.89314.01394.92722.93433.45771.77661.76692.39753.2685
H131.87973.08582.21951.84500.98832.98332.31593.16383.97323.46982.79213.2685

picture of Sarcosine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 H9 113.895 N1 C2 H10 109.320
N1 C2 H12 109.259 N1 C3 C4 110.593
N1 C3 H8 115.150 N1 C3 H11 108.780
C2 N1 C3 115.181 C2 N1 H7 109.445
C3 N1 H7 109.403 C3 C4 O5 112.847
C3 C4 O6 123.128 C4 C3 H8 108.588
C4 C3 H11 106.564 C4 O5 H13 104.029
O5 C4 O6 124.003 H8 C3 H11 106.763
H9 C2 H10 108.367 H9 C2 H12 108.080
H10 C2 H12 107.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.584      
2 C -0.244      
3 C -0.198      
4 C 0.590      
5 O -0.496      
6 O -0.466      
7 H 0.286      
8 H 0.162      
9 H 0.128      
10 H 0.146      
11 H 0.176      
12 H 0.152      
13 H 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.495 -0.294 -0.646 5.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.510 -0.695 -0.452
y -0.695 -36.860 -0.580
z -0.452 -0.580 -32.710
Traceless
 xyz
x -7.725 -0.695 -0.452
y -0.695 0.750 -0.580
z -0.452 -0.580 6.974
Polar
3z2-r213.949
x2-y2-5.650
xy-0.695
xz-0.452
yz-0.580


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.213 0.468 0.018
y 0.468 6.484 0.014
z 0.018 0.014 5.082


<r2> (average value of r2) Å2
<r2> 198.103
(<r2>)1/2 14.075