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All results from a given calculation for CH3NO2 (Methane, nitro-)

using model chemistry: CCD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS Os out of place 1A'
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-244.631774
Energy at 298.15K 
HF Energy-243.763457
Nuclear repulsion energy125.904676
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 CCD/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' 3207 3069 1.32      
2 A' 3110 2976 1.36      
3 A' 1517 1452 45.85      
4 A' 1501 1437 32.18      
5 A' 1448 1386 2.03      
6 A' 1169 1119 0.48      
7 A' 977 935 4.74      
8 A' 695 665 27.09      
9 A' 635 608 5.39      
10 A" 3236 3097 0.04      
11 A" 1744 1669 423.37      
12 A" 1497 1433 34.78      
13 A" 1140 1091 15.30      
14 A" 494 473 1.33      
15 A" 25i 24i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11172.7 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 10692.3 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 CCD/aug-cc-pVTZ
ABC
0.41787 0.35677 0.19971

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.314 0.000
N2 -0.010 0.172 0.000
H3 1.044 -1.617 0.000
H4 -0.494 -1.651 0.903
H5 -0.494 -1.651 -0.903
O6 0.000 0.725 -1.077
O7 0.000 0.725 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48581.08701.08351.08352.30532.3053
N21.48582.07672.09132.09131.21051.2105
H31.08702.07671.78401.78402.78102.7810
H41.08352.09131.78401.80663.13182.4324
H51.08352.09131.78401.80662.43243.1318
O62.30531.21052.78103.13182.43242.1540
O72.30531.21052.78102.43243.13182.1540

picture of Methane, nitro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O6 117.151 C1 N2 O7 117.151
N2 C1 H3 106.613 N2 C1 H4 107.943
N2 C1 H5 107.943 H3 C1 H4 110.554
H3 C1 H5 110.554 H4 C1 H5 112.961
O6 N2 O7 125.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability