All results from a given calculation for HNCO (Isocyanic acid)
using model chemistry: MP2/6-31+G**
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at MP2/6-31+G**
| | hartrees |
| Energy at 0K | -168.241459 |
| Energy at 298.15K | |
| HF Energy | -167.766414 |
| Nuclear repulsion energy | 58.471725 |
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 MP2/6-31+G**
Geometric Data calculated at MP2/6-31+G**
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| H1 |
1.587 |
-1.139 |
0.000 |
| N2 |
0.587 |
-1.025 |
0.000 |
| C3 |
0.000 |
0.053 |
0.000 |
| O4 |
-0.712 |
0.999 |
0.000 |
Atom - Atom Distances (Å)
| |
H1 |
N2 |
C3 |
O4 |
| H1 | | 1.0057 | 1.9848 | 3.1397 |
N2 | 1.0057 | | 1.2280 | 2.4057 | C3 | 1.9848 | 1.2280 | | 1.1842 | O4 | 3.1397 | 2.4057 | 1.1842 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| H1 |
N2 |
C3 |
125.088 |
|
N2 |
C3 |
O4 |
171.597 |
Electronic energy levels
Electronic state
Charges, Dipole, Quadrupole and Polarizability