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: MP2/6-31+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 MP2/6-31+G**
 hartrees
Energy at 0K-322.840047
Energy at 298.15K-322.849589
HF Energy-321.876529
Nuclear repulsion energy243.339203
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 MP2/6-31+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 3591 3378 6.96      
2 A 3530 3320 317.53      
3 A 3234 3042 17.26      
4 A 3190 3001 17.57      
5 A 3182 2993 13.30      
6 A 3119 2934 14.51      
7 A 3089 2905 63.84      
8 A 1837 1727 328.92      
9 A 1562 1469 9.49      
10 A 1543 1451 11.97      
11 A 1526 1435 14.92      
12 A 1505 1416 9.52      
13 A 1494 1405 0.37      
14 A 1420 1336 375.82      
15 A 1376 1294 28.90      
16 A 1316 1238 4.75      
17 A 1244 1170 10.43      
18 A 1206 1134 27.80      
19 A 1178 1108 29.50      
20 A 1158 1089 17.08      
21 A 1028 967 23.17      
22 A 993 934 16.39      
23 A 918 864 73.41      
24 A 889 837 24.15      
25 A 798 751 72.07      
26 A 642 604 4.43      
27 A 577 543 8.72      
28 A 480 451 8.97      
29 A 378 356 3.62      
30 A 291 274 5.65      
31 A 212 200 2.35      
32 A 133 125 3.08      
33 A 67 63 6.23      

Unscaled Zero Point Vibrational Energy (zpe) 24353.3 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 22906.7 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 MP2/6-31+G**
ABC
0.29821 0.06724 0.05768

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.203 0.250 -0.349
C2 2.520 -0.070 0.211
C3 0.165 -0.724 -0.008
C4 -1.213 -0.065 0.023
O5 -1.168 1.282 0.109
O6 -2.253 -0.698 0.009
H7 1.279 0.322 -1.360
H8 0.116 -1.593 -0.668
H9 2.881 -1.064 -0.073
H10 3.238 0.674 -0.126
H11 0.355 -1.092 1.003
H12 2.458 -0.020 1.297
H13 -0.209 1.503 0.073

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.46611.46372.46492.62643.60171.01632.16362.14872.09092.08562.08771.9342
C21.46612.45303.73743.92914.81792.04032.97801.09491.08802.52091.08893.1523
C31.46372.45301.52822.41112.41862.04041.09312.73733.37801.09252.73042.2592
C42.46493.73741.52821.34981.21762.87592.14034.21504.51482.11603.88661.8624
O52.62643.92912.41111.34982.25943.01113.24334.68284.45462.95904.03200.9855
O63.60174.81792.41861.21762.25943.92272.62175.14735.66182.81934.93123.0045
H71.01632.04032.04042.87593.01113.92272.34502.47882.34282.90492.92742.3792
H82.16362.97801.09312.14033.24332.62172.34502.87673.89641.76123.43843.2001
H92.14871.09492.73734.21504.68285.14732.47882.87671.77522.74521.77394.0192
H102.09091.08803.37804.51484.45465.66182.34283.89641.77523.56431.76463.5509
H112.08562.52091.09252.11602.95902.81932.90491.76122.74523.56432.37872.8137
H122.08771.08892.73043.88664.03204.93122.92743.43841.77391.76462.37873.3059
H131.93423.15232.25921.86240.98553.00452.37923.20014.01923.55092.81373.3059

picture of Sarcosine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 H9 113.276 N1 C2 H10 108.995
N1 C2 H12 108.697 N1 C3 C4 110.930
N1 C3 H8 114.835 N1 C3 H11 108.479
C2 N1 C3 113.703 C2 N1 H7 109.209
C3 N1 H7 109.393 C3 C4 O5 113.669
C3 C4 O6 123.083 C4 C3 H8 108.330
C4 C3 H11 106.507 C4 O5 H13 104.712
O5 C4 O6 123.215 H8 C3 H11 107.384
H9 C2 H10 108.818 H9 C2 H12 108.638
H10 C2 H12 108.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability