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

using model chemistry: CCSD(T)=FULL/cc-pVDZ

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)=FULL/cc-pVDZ
 hartrees
Energy at 0K-244.423131
Energy at 298.15K 
HF Energy-243.677705
Nuclear repulsion energy124.271560
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)=FULL/cc-pVDZ
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' 3210 3092        
2 A' 3099 2985        
3 A' 1474 1419        
4 A' 1429 1377        
5 A' 1399 1348        
6 A' 1127 1085        
7 A' 942 908        
8 A' 673 649        
9 A' 601 579        
10 A" 3236 3117        
11 A" 1671 1609        
12 A" 1461 1407        
13 A" 1102 1061        
14 A" 476 458        
15 A" 44 42        

Unscaled Zero Point Vibrational Energy (zpe) 10971.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 10567.4 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)=FULL/cc-pVDZ
ABC
0.40377 0.35080 0.19482

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.324 0.000
N2 -0.013 0.175 0.000
H3 1.058 -1.634 0.000
H4 -0.501 -1.666 0.914
H5 -0.501 -1.666 -0.914
O6 0.002 0.730 -1.096
O7 0.002 0.730 1.096

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49951.10141.09831.09832.32842.3284
N21.49952.10272.11352.11351.22851.2285
H31.10142.10271.80841.80842.81212.8121
H41.09832.11351.80841.82883.16822.4554
H51.09832.11351.80841.82882.45543.1682
O62.32841.22852.81213.16822.45542.1920
O72.32841.22852.81212.45543.16822.1920

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 116.839 C1 N2 O7 116.839
N2 C1 H3 106.889 N2 C1 H4 107.891
N2 C1 H5 107.891 H3 C1 H4 110.594
H3 C1 H5 110.594 H4 C1 H5 112.733
O6 N2 O7 126.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability