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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: MP4/6-311G**

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 MP4/6-311G**
 hartrees
Energy at 0K-148.460952
Energy at 298.15K-148.463244
Nuclear repulsion energy58.637470
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 MP4/6-311G**
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' 3557 3450        
2 A' 2214 2147        
3 A' 1637 1587        
4 A' 1047 1015        
5 A' 726 704        
6 A' 460 446        
7 A" 3654 3544        
8 A" 1215 1178        
9 A" 386 374        

Unscaled Zero Point Vibrational Energy (zpe) 7447.7 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 7222.1 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 MP4/6-311G**
ABC
9.87836 0.33046 0.32341

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.219 0.000
N2 -0.024 1.396 0.000
N3 0.107 -1.140 0.000
H4 -0.291 -1.552 0.836
H5 -0.291 -1.552 -0.836

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17751.36261.98001.9800
N21.17752.53903.07623.0762
N31.36262.53901.01381.0138
H41.98003.07621.01381.6723
H51.98003.07621.01381.6723

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 112.019 C1 N3 H5 112.019
N2 C1 N3 176.663 H4 N3 H5 111.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-148.457693
Energy at 298.15K 
HF Energy-147.944779
Nuclear repulsion energy58.877814
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 MP4/6-311G**
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 3661 3550        
2 A1 2234 2166        
3 A1 1622 1573        
4 A1 1091 1058        
5 B1 491 477        
6 B1 567i 550i        
7 B2 3786 3671        
8 B2 1124 1090        
9 B2 385 373        

Unscaled Zero Point Vibrational Energy (zpe) 6912.9 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 6703.5 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 MP4/6-311G**
ABC
11.08014 0.33304 0.32332

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.219
N2 0.000 0.000 1.398
N3 0.000 0.000 -1.121
H4 0.000 0.869 -1.626
H5 0.000 -0.869 -1.626

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17901.33992.03902.0390
N21.17902.51903.14603.1460
N31.33992.51901.00481.0048
H42.03903.14601.00481.7376
H52.03903.14601.00481.7376

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.154 C1 N3 H5 120.154
N2 C1 N3 180.000 H4 N3 H5 119.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability