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All results from a given calculation for HCONHCH3 (N-methylformamide)

using model chemistry: MP4=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-208.966731
Energy at 298.15K-208.972703
HF Energy-208.043299
Nuclear repulsion energy119.327879
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 MP4=FULL/aug-cc-pVTZ
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' 3615 3504        
2 A' 3128 3032        
3 A' 3050 2956        
4 A' 2958 2867        
5 A' 1748 1695        
6 A' 1546 1499        
7 A' 1472 1427        
8 A' 1470 1425        
9 A' 1385 1343        
10 A' 1303 1263        
11 A' 1164 1128        
12 A' 1008 977        
13 A' 604 586        
14 A' 336 326        
15 A" 3105 3010        
16 A" 1506 1460        
17 A" 1167 1132        
18 A" 1038 1006        
19 A" 591 573        
20 A" 194 188        
21 A" 75 72        

Unscaled Zero Point Vibrational Energy (zpe) 16232.3 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 15733.9 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 MP4=FULL/aug-cc-pVTZ
ABC
1.49407 0.14612 0.13654

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.283 -0.751 0.000
O2 1.406 -1.230 0.000
N3 0.000 0.575 0.000
C4 -1.337 1.123 0.000
H5 -0.629 -1.368 0.000
H6 0.795 1.193 0.000
H7 -2.046 0.297 0.000
H8 -1.519 1.727 0.889
H9 -1.519 1.727 -0.889

Atom - Atom Distances (Å)
  C1 O2 N3 C4 H5 H6 H7 H8 H9
C11.22081.35542.47721.10122.01012.55393.19033.1903
O21.22082.28763.61402.03942.49863.77454.25324.2532
N31.35542.28761.44542.04221.00712.06512.10382.1038
C42.47723.61401.44542.59002.13361.08881.08981.0898
H51.10122.03942.04222.59002.93042.18643.34123.3412
H62.01012.49861.00712.13362.93042.97942.53602.5360
H72.55393.77452.06511.08882.18642.97941.76451.7645
H83.19034.25322.10381.08983.34122.53601.76451.7773
H93.19034.25322.10381.08983.34122.53601.76451.7773

picture of N-methylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 124.337 C1 N3 H6 115.819
O2 C1 N3 125.153 O2 C1 H5 122.794
N3 C1 H5 112.053 N3 C4 H7 108.335
N3 C4 H8 111.392 N3 C4 H9 111.392
C4 N3 H6 119.844 H7 C4 H8 108.179
H7 C4 H9 108.179 H8 C4 H9 109.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability