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

using model chemistry: CCSD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-244.469544
Energy at 298.15K 
HF Energy-243.725329
Nuclear repulsion energy125.273699
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3206 3206 2.71      
2 A' 3108 3108 1.79      
3 A' 1506 1506 13.83      
4 A' 1486 1486 80.07      
5 A' 1447 1447 3.53      
6 A' 1163 1163 0.39      
7 A' 968 968 8.56      
8 A' 691 691 28.10      
9 A' 622 622 6.61      
10 A" 3234 3234 0.70      
11 A" 1717 1717 315.59      
12 A" 1492 1492 28.34      
13 A" 1135 1135 16.07      
14 A" 494 494 0.65      
15 A" 46 46 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11158.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11158.3 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/6-311G**
ABC
0.41274 0.35378 0.19770

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.320 0.000
N2 -0.014 0.176 0.000
H3 1.051 -1.623 0.000
H4 -0.497 -1.658 0.907
H5 -0.497 -1.658 -0.907
O6 0.002 0.727 -1.084
O7 0.002 0.727 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49551.09191.08841.08842.31592.3159
N21.49552.08982.10192.10191.21601.2160
H31.09192.08981.79371.79372.79192.7919
H41.08842.10191.79371.81313.14612.4430
H51.08842.10191.79371.81312.44303.1461
O62.31591.21602.79193.14612.44302.1675
O72.31591.21602.79192.44303.14612.1675

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 116.944 C1 N2 O7 116.944
N2 C1 H3 106.702 N2 C1 H4 107.824
N2 C1 H5 107.824 H3 C1 H4 110.712
H3 C1 H5 110.712 H4 C1 H5 112.791
O6 N2 O7 126.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability