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

using model chemistry: CCSD/6-311+G(3df,2p)

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 CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-244.621494
Energy at 298.15K 
HF Energy-243.756736
Nuclear repulsion energy125.716103
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/6-311+G(3df,2p)
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' 3206 3024 1.46      
2 A' 3110 2933 1.70      
3 A' 1506 1421 22.13      
4 A' 1491 1406 55.40      
5 A' 1444 1361 2.57      
6 A' 1165 1099 0.47      
7 A' 969 914 4.21      
8 A' 690 651 25.60      
9 A' 631 595 5.11      
10 A" 3235 3051 0.08      
11 A" 1688 1592 391.55      
12 A" 1495 1410 40.80      
13 A" 1136 1071 16.77      
14 A" 492 464 1.26      
15 A" 26i 25i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11115.4 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 10483.0 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 CCSD/6-311+G(3df,2p)
ABC
0.41634 0.35590 0.19909

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.315 0.000
N2 -0.010 0.172 0.000
H3 1.045 -1.618 0.000
H4 -0.493 -1.653 0.904
H5 -0.493 -1.653 -0.904
O6 0.001 0.726 -1.079
O7 0.001 0.726 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48791.08711.08371.08372.30872.3087
N21.48792.07782.09332.09331.21261.2126
H31.08712.07781.78431.78432.78302.7830
H41.08372.09331.78431.80733.13562.4355
H51.08372.09331.78431.80732.43553.1356
O62.30871.21262.78303.13562.43552.1582
O72.30871.21262.78302.43553.13562.1582

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 117.130 C1 N2 O7 117.130
N2 C1 H3 106.547 N2 C1 H4 107.945
N2 C1 H5 107.945 H3 C1 H4 110.561
H3 C1 H5 110.561 H4 C1 H5 113.002
O6 N2 O7 125.720
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability