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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-244.954107
Energy at 298.15K 
HF Energy-244.650980
Nuclear repulsion energy125.016528
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 B2PLYP=FULL/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' 3197 3056 1.97      
2 A' 3107 2969 1.21      
3 A' 1495 1429 11.03      
4 A' 1427 1364 5.41      
5 A' 1401 1339 78.63      
6 A' 1146 1095 0.73      
7 A' 929 888 9.29      
8 A' 668 639 21.50      
9 A' 614 587 4.66      
10 A" 3227 3084 0.31      
11 A" 1630 1558 228.05      
12 A" 1483 1417 42.53      
13 A" 1118 1069 9.80      
14 A" 481 460 0.69      
15 A" 23i 22i 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 10949.8 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 10465.8 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 B2PLYP=FULL/cc-pVTZ
ABC
0.40966 0.35375 0.19684

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.319 0.000
N2 -0.010 0.172 0.000
H3 1.041 -1.625 0.000
H4 -0.492 -1.657 0.901
H5 -0.492 -1.657 -0.901
O6 0.001 0.728 -1.089
O7 0.001 0.728 1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49101.08491.08131.08132.31912.3191
N21.49102.08192.09522.09521.22291.2229
H31.08492.08191.77911.77912.79442.7944
H41.08132.09521.77911.80233.14542.4431
H51.08132.09521.77911.80232.44313.1454
O62.31911.22292.79443.14542.44312.1778
O72.31911.22292.79442.44313.14542.1778

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 117.067 C1 N2 O7 117.067
N2 C1 H3 106.785 N2 C1 H4 108.019
N2 C1 H5 108.019 H3 C1 H4 110.438
H3 C1 H5 110.438 H4 C1 H5 112.894
O6 N2 O7 125.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability