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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CCD/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 CCD/6-311G**
 hartrees
Energy at 0K-148.430657
Energy at 298.15K-148.432998
Nuclear repulsion energy59.115911
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 CCD/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' 3602 3441 32.38      
2 A' 2389 2282 64.26      
3 A' 1661 1587 42.12      
4 A' 1081 1033 5.83      
5 A' 723 691 227.76      
6 A' 484 462 20.03      
7 A" 3697 3531 43.98      
8 A" 1236 1181 0.18      
9 A" 408 390 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 7641.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 7298.1 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 CCD/6-311G**
ABC
9.97075 0.33588 0.32854

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.223 0.000
N2 -0.045 1.382 0.000
N3 0.120 -1.130 0.000
H4 -0.263 -1.550 0.835
H5 -0.263 -1.550 -0.835

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15911.35861.97801.9780
N21.15912.51703.05633.0563
N31.35862.51701.01071.0107
H41.97803.05631.01071.6704
H51.97803.05631.01071.6704

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 112.370 C1 N3 H5 112.370
N2 C1 N3 177.149 H4 N3 H5 111.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-148.427696
Energy at 298.15K 
HF Energy-147.948151
Nuclear repulsion energy59.345154
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 CCD/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 3700 3534 72.00      
2 A1 2394 2287 108.08      
3 A1 1644 1570 51.94      
4 A1 1128 1077 14.63      
5 B1 521 497 0.27      
6 B1 553i 528i 302.96      
7 B2 3823 3651 90.85      
8 B2 1147 1095 2.31      
9 B2 406 388 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7105.0 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 6785.9 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 CCD/6-311G**
ABC
11.13812 0.33841 0.32844

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.223
N2 0.000 0.000 1.384
N3 0.000 0.000 -1.114
H4 0.000 0.867 -1.617
H5 0.000 -0.867 -1.617

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16081.33692.03402.0340
N21.16082.49773.12363.1236
N31.33692.49771.00211.0021
H42.03403.12361.00211.7331
H52.03403.12361.00211.7331

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.150 C1 N3 H5 120.150
N2 C1 N3 180.000 H4 N3 H5 119.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability