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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
1 2 no C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-148.475552
Energy at 298.15K-148.477925
Nuclear repulsion energy59.120091
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=FULL/6-31G(2df,p)
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' 3618 3401 52.55      
2 A' 2291 2153 56.14      
3 A' 1652 1552 40.60      
4 A' 1084 1019 6.85      
5 A' 673 632 207.55      
6 A' 514 483 36.40      
7 A" 3723 3499 69.68      
8 A" 1214 1141 0.11      
9 A" 451 423 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 7609.3 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 7152.0 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 MP2=FULL/6-31G(2df,p)
ABC
10.14229 0.33632 0.32885

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.215 0.000
N2 -0.053 1.385 0.000
N3 0.122 -1.124 0.000
H4 -0.243 -1.559 0.833
H5 -0.243 -1.559 -0.833

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17071.34461.97531.9753
N21.17072.51463.06543.0654
N31.34462.51461.00871.0087
H41.97533.06541.00871.6667
H51.97533.06541.00871.6667

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 113.381 C1 N3 H5 113.381
N2 C1 N3 177.364 H4 N3 H5 111.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-148.473348
Energy at 298.15K 
HF Energy-147.923668
Nuclear repulsion energy59.347718
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=FULL/6-31G(2df,p)
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 3709 3486 96.03      
2 A1 2323 2183 91.66      
3 A1 1629 1531 50.28      
4 A1 1122 1055 12.89      
5 B1 557 523 0.61      
6 B1 492i 463i 270.28      
7 B2 3839 3608 114.24      
8 B2 1139 1071 3.71      
9 B2 449 422 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7137.1 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 6708.1 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 MP2=FULL/6-31G(2df,p)
ABC
11.25491 0.33872 0.32882

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.216
N2 0.000 0.000 1.387
N3 0.000 0.000 -1.110
H4 0.000 0.862 -1.617
H5 0.000 -0.862 -1.617

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17121.32562.02552.0255
N21.17122.49683.12543.1254
N31.32562.49681.00021.0002
H42.02553.12541.00021.7241
H52.02553.12541.00021.7241

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.479 C1 N3 H5 120.479
N2 C1 N3 180.000 H4 N3 H5 119.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability