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All results from a given calculation for CH3CONH2 (Acetamide)

using model chemistry: CCSD=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCSD=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-208.944300
Energy at 298.15K 
HF Energy-208.064293
Nuclear repulsion energy122.393684
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 CCSD=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.360 -0.299 -0.000
C2 0.078 0.154 0.002
N3 0.989 -0.858 -0.032
O4 0.403 1.317 0.004
H5 -2.000 0.572 -0.059
H6 -1.552 -0.954 -0.848
H7 -1.580 -0.851 0.912
H8 1.956 -0.619 0.069
H9 0.717 -1.809 0.105

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50752.41422.39181.08321.08851.08873.33192.5694
C21.50751.36221.20732.12082.14642.14242.03242.0677
N32.41421.36222.25253.31392.67052.73711.00130.9992
O42.39181.20732.25252.51753.11553.07592.48273.1437
H51.08322.12083.31392.51751.77541.77364.13413.6167
H61.08852.14642.67053.11551.77541.76363.64142.6049
H71.08872.14242.73713.07591.77361.76363.64302.6166
H83.33192.03241.00132.48274.13413.64143.64301.7189
H92.56942.06770.99923.14373.61672.60492.61661.7189

picture of Acetamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.458 C1 C2 O4 123.158
C2 C1 H5 108.792 C2 C1 H6 110.511
C2 C1 H7 110.176 C2 N3 H8 117.802
C2 N3 H9 121.475 N3 C2 O4 122.366
H5 C1 H6 109.667 H5 C1 H7 109.488
H6 C1 H7 108.195 H8 N3 H9 118.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability