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: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-322.623384
Energy at 298.15K-322.633074
HF Energy-321.853050
Nuclear repulsion energy244.921486
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 CISD/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 3762 3483 231.81      
2 A 3660 3388 5.11      
3 A 3268 3026 24.37      
4 A 3228 2989 27.37      
5 A 3222 2983 15.95      
6 A 3174 2939 17.16      
7 A 3140 2907 55.87      
8 A 2002 1853 368.15      
9 A 1617 1497 14.37      
10 A 1597 1479 11.04      
11 A 1596 1477 23.65      
12 A 1580 1463 10.23      
13 A 1558 1442 0.79      
14 A 1515 1403 466.57      
15 A 1447 1339 32.74      
16 A 1371 1269 5.94      
17 A 1324 1226 3.10      
18 A 1265 1171 21.39      
19 A 1231 1140 28.76      
20 A 1206 1117 15.11      
21 A 1069 990 25.61      
22 A 1047 969 11.12      
23 A 943 873 31.74      
24 A 924 855 68.91      
25 A 783 725 103.00      
26 A 687 636 4.87      
27 A 614 569 16.28      
28 A 498 461 12.44      
29 A 393 364 3.30      
30 A 289 267 2.97      
31 A 216 200 2.48      
32 A 133 123 3.13      
33 A 86 80 7.92      

Unscaled Zero Point Vibrational Energy (zpe) 25221.6 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 23350.2 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 CISD/6-31G*
ABC
0.30611 0.06751 0.05789

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.196 0.272 -0.310
C2 2.532 -0.071 0.154
C3 0.176 -0.695 0.059
C4 -1.212 -0.073 0.022
O5 -1.215 1.256 0.115
O6 -2.213 -0.723 -0.047
H7 1.209 0.373 -1.315
H8 0.159 -1.600 -0.550
H9 2.872 -1.053 -0.187
H10 3.235 0.679 -0.197
H11 0.348 -1.005 1.089
H12 2.546 -0.063 1.241
H13 -0.287 1.539 0.132

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.45601.45322.45452.63863.56071.01032.15312.14022.08262.07552.08361.9996
C21.45602.43963.74653.97604.79412.02612.90911.09301.08632.55301.08713.2466
C31.45322.43961.52142.39732.39132.02401.09042.73083.36341.08982.72302.2833
C42.45453.74651.52141.33211.19622.80162.13094.20494.51502.10763.95051.8620
O52.63863.97602.39731.33212.22282.95063.23904.70414.49812.91684.14190.9712
O63.56074.79412.39131.19622.22283.81092.57875.09755.62752.81604.97422.9774
H71.01032.02612.02402.80162.95063.81092.36242.46362.33382.90202.91712.3860
H82.15312.90911.09042.13093.23902.57872.36242.79083.84431.75353.35613.2436
H92.14021.09302.73084.20494.70415.09752.46362.79081.76992.82831.76734.0984
H102.08261.08633.36344.51504.49815.62752.33383.84431.76993.58121.75873.6396
H112.07552.55301.08982.10762.91682.81602.90201.75352.82833.58122.39612.7920
H122.08361.08712.72303.95054.14194.97422.91713.35611.76731.75872.39613.4382
H131.99963.24662.28331.86200.97122.97742.38603.24364.09843.63962.79203.4382

picture of Sarcosine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 H9 113.434 N1 C2 H10 109.139
N1 C2 H12 109.170 N1 C3 C4 111.193
N1 C3 H8 114.919 N1 C3 H11 108.559
C2 N1 C3 113.987 C2 N1 H7 109.141
C3 N1 H7 109.174 C3 C4 O5 114.145
C3 C4 O6 122.824 C4 C3 H8 108.218
C4 C3 H11 106.464 C4 O5 H13 106.835
O5 C4 O6 123.000 H8 C3 H11 107.085
H9 C2 H10 108.609 H9 C2 H12 108.315
H10 C2 H12 108.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability