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

using model chemistry: CID/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 CID/cc-pVDZ
 hartrees
Energy at 0K-244.285087
Energy at 298.15K 
HF Energy-243.683529
Nuclear repulsion energy126.305643
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 CID/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' 3310 3059 1.18      
2 A' 3200 2957 1.10      
3 A' 1593 1472 100.55      
4 A' 1523 1407 12.76      
5 A' 1465 1353 0.77      
6 A' 1186 1096 1.62      
7 A' 1018 940 8.95      
8 A' 722 668 34.05      
9 A' 655 605 8.72      
10 A" 3340 3087 0.11      
11 A" 1853 1712 384.83      
12 A" 1509 1394 27.90      
13 A" 1158 1070 13.35      
14 A" 510 471 0.74      
15 A" 3i 3i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11518.6 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 10643.2 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 CID/cc-pVDZ
ABC
0.42045 0.35920 0.20115

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.308 0.000
N2 -0.012 0.176 0.000
H3 1.051 -1.614 0.000
H4 -0.495 -1.650 0.908
H5 -0.495 -1.650 -0.908
O6 0.001 0.721 -1.073
O7 0.001 0.721 1.073

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48391.09311.08951.08952.29542.2954
N21.48392.08102.09532.09531.20371.2037
H31.09312.08101.79321.79322.77562.7756
H41.08952.09531.79321.81523.12902.4281
H51.08952.09531.79321.81522.42813.1290
O62.29541.20372.77563.12902.42812.1458
O72.29541.20372.77562.42813.12902.1458

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 116.939 C1 N2 O7 116.939
N2 C1 H3 106.731 N2 C1 H4 108.040
N2 C1 H5 108.040 H3 C1 H4 110.480
H3 C1 H5 110.480 H4 C1 H5 112.822
O6 N2 O7 126.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability