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All results from a given calculation for H2NO (nitroxide)

using model chemistry: CCSD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2B1
1 2 yes CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-130.757182
Energy at 298.15K 
HF Energy-130.403929
Nuclear repulsion energy35.046193
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/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 A1 3485 3302 2.57      
2 A1 1669 1581 15.26      
3 A1 1421 1346 1.28      
4 B1 428i 405i 187.29      
5 B2 3625 3434 4.23      
6 B2 1270 1203 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 5521.0 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 5230.1 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/cc-pVDZ
ABC
10.79042 1.13613 1.02790

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.539
O2 0.000 0.000 0.736
H3 0.000 0.880 -1.055
H4 0.000 -0.880 -1.055

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.27501.02041.0204
O21.27501.99561.9956
H31.02041.99561.7608
H41.02041.99561.7608

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.373 O2 N1 H4 120.373
H3 N1 H4 119.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-130.757784
Energy at 298.15K-130.760283
HF Energy-130.405004
Nuclear repulsion energy34.965742
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/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' 3438 3257 0.33      
2 A' 1670 1582 14.34      
3 A' 1391 1318 1.38      
4 A' 560 530 185.14      
5 A" 3570 3382 0.67      
6 A" 1301 1232 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 5964.8 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 5650.5 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/cc-pVDZ
ABC
10.39329 1.13074 1.03240

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.030 0.546 0.000
O2 -0.030 -0.734 0.000
H3 0.224 1.025 0.869
H4 0.224 1.025 -0.869

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.28031.02401.0240
O21.28031.97831.9783
H31.02401.97831.7373
H41.02401.97831.7373

picture of nitroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 117.878 O2 N1 H4 117.878
H3 N1 H4 116.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability