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All results from a given calculation for CH3NHCH2COOH (Sarcosine)

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-320.714053
Energy at 298.15K-320.723553
HF Energy-320.049008
Nuclear repulsion energy240.037046
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 QCISD/3-21G
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 3397 3293 0.44      
2 A 3213 3114 275.42      
3 A 3108 3012 19.33      
4 A 3086 2991 10.03      
5 A 3072 2978 24.69      
6 A 3042 2948 10.15      
7 A 2995 2903 47.53      
8 A 1804 1749 250.13      
9 A 1591 1542 5.60      
10 A 1571 1523 16.55      
11 A 1548 1500 12.14      
12 A 1513 1467 5.93      
13 A 1507 1461 6.67      
14 A 1430 1386 354.26      
15 A 1369 1327 4.47      
16 A 1310 1269 3.53      
17 A 1200 1163 23.42      
18 A 1181 1145 5.93      
19 A 1146 1111 55.83      
20 A 1098 1065 24.04      
21 A 1034 1002 58.67      
22 A 953 924 33.36      
23 A 917 889 46.91      
24 A 825 800 29.23      
25 A 785 761 72.79      
26 A 630 610 4.40      
27 A 566 549 8.75      
28 A 456 442 10.29      
29 A 395 383 5.37      
30 A 294 285 5.00      
31 A 208 202 1.15      
32 A 138 133 1.54      
33 A 71 69 5.80      

Unscaled Zero Point Vibrational Energy (zpe) 23727.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 22996.8 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 QCISD/3-21G
ABC
0.29159 0.06577 0.05643

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.195 0.225 -0.361
C2 2.554 -0.065 0.209
C3 0.143 -0.784 0.004
C4 -1.238 -0.062 0.026
O5 -1.104 1.306 0.111
O6 -2.319 -0.648 0.008
H7 1.252 0.308 -1.384
H8 0.086 -1.657 -0.661
H9 2.965 -1.037 -0.111
H10 3.239 0.735 -0.101
H11 0.352 -1.138 1.024
H12 2.477 -0.058 1.304
H13 -0.105 1.465 0.062

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.50251.50202.47982.58333.63911.02822.20482.18902.12332.11852.12031.8458
C21.50252.52393.79673.90774.91192.09083.06331.10331.09762.58221.09753.0720
C31.50202.52391.55912.43592.46612.08521.09932.83573.44981.10002.76792.2635
C42.47983.79671.55911.37661.22962.88562.18404.31754.54952.16413.92871.9015
O52.58333.90772.43591.37662.30282.96383.28484.70104.38592.98764.01311.0123
O63.63914.91192.46611.22962.30283.95052.69265.30005.72862.89915.00253.0605
H71.02822.09082.08522.88562.96383.95052.39632.52252.40352.95002.97622.2968
H82.20483.06331.09932.18403.28482.69262.39632.99633.99711.78373.48353.2106
H92.18901.10332.83574.31754.70105.30002.52252.99631.79292.85171.78913.9653
H102.12331.09763.44984.54954.38595.72862.40353.99711.79293.62111.78403.4276
H112.11852.58221.10002.16412.98762.89912.95001.78372.85173.62112.40032.8130
H122.12031.09752.76793.92874.01315.00252.97623.48351.78911.78402.40033.2451
H131.84583.07202.26351.90151.01233.06052.29683.21063.96533.42762.81303.2451

picture of Sarcosine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 H9 113.408 N1 C2 H10 108.491
N1 C2 H12 108.263 N1 C3 C4 108.204
N1 C3 H8 115.027 N1 C3 H11 108.017
C2 N1 C3 114.295 C2 N1 H7 110.003
C3 N1 H7 109.577 C3 C4 O5 111.999
C3 C4 O6 123.913 C4 C3 H8 109.266
C4 C3 H11 107.699 C4 O5 H13 104.456
O5 C4 O6 124.055 H8 C3 H11 108.395
H9 C2 H10 109.096 H9 C2 H12 108.765
H10 C2 H12 108.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability