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

using model chemistry: CCSD(T)/6-31+G**

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(T)/6-31+G**
 hartrees
Energy at 0K-244.409822
Energy at 298.15K 
HF Energy-243.667985
Nuclear repulsion energy123.751847
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(T)/6-31+G**
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' 3243 3112        
2 A' 3135 3008        
3 A' 1516 1455        
4 A' 1451 1393        
5 A' 1412 1354        
6 A' 1154 1108        
7 A' 921 884        
8 A' 655 629        
9 A' 587 564        
10 A" 3270 3138        
11 A" 1621 1555        
12 A" 1507 1446        
13 A" 1132 1086        
14 A" 476 457        
15 A" 44 42        

Unscaled Zero Point Vibrational Energy (zpe) 11062.4 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 10615.4 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(T)/6-31+G**
ABC
0.39958 0.34855 0.19301

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.330 0.000
N2 -0.012 0.168 0.000
H3 1.047 -1.633 0.000
H4 -0.497 -1.662 0.905
H5 -0.497 -1.662 -0.905
O6 0.002 0.735 -1.103
O7 0.002 0.735 1.103

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49811.08861.08551.08552.34112.3411
N21.49812.08982.09862.09861.24031.2403
H31.08862.08981.79031.79032.81382.8138
H41.08552.09861.79031.80993.16662.4564
H51.08552.09861.79031.80992.45643.1666
O62.34111.24032.81383.16662.45642.2064
O72.34111.24032.81382.45643.16662.2064

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 117.183 C1 N2 O7 117.183
N2 C1 H3 106.705 N2 C1 H4 107.561
N2 C1 H5 107.561 H3 C1 H4 110.871
H3 C1 H5 110.871 H4 C1 H5 112.959
O6 N2 O7 125.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability