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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B1B95/6-31G*

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 B1B95/6-31G*
 hartrees
Energy at 0K-148.720028
Energy at 298.15K-148.722310
Nuclear repulsion energy59.304845
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 B1B95/6-31G*
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' 3589 3407 42.65      
2 A' 2405 2283 98.76      
3 A' 1667 1582 49.35      
4 A' 1120 1063 6.77      
5 A' 604 573 238.62      
6 A' 492 467 57.43      
7 A" 3688 3501 59.04      
8 A" 1211 1150 0.52      
9 A" 416 394 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 7595.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 7210.4 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 B1B95/6-31G*
ABC
10.26769 0.33871 0.33066

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.218 0.000
N2 -0.039 1.380 0.000
N3 0.104 -1.119 0.000
H4 -0.228 -1.569 0.841
H5 -0.228 -1.569 -0.841

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16231.34121.98861.9886
N21.16232.50293.07243.0724
N31.34122.50291.01051.0105
H41.98863.07241.01051.6829
H51.98863.07241.01051.6829

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.747 C1 N3 H5 114.747
N2 C1 N3 177.473 H4 N3 H5 112.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.467      
2 N -0.438      
3 N -0.787      
4 H 0.379      
5 H 0.379      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.082 -4.385 0.000 4.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.062 2.110 0.000
y 2.110 -17.961 0.000
z 0.000 0.000 -14.672
Traceless
 xyz
x -1.746 2.110 0.000
y 2.110 -1.594 0.000
z 0.000 0.000 3.339
Polar
3z2-r26.679
x2-y2-0.101
xy2.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.589 -0.028 0.000
y -0.028 4.762 0.000
z 0.000 0.000 2.074


<r2> (average value of r2) Å2
<r2> 39.462
(<r2>)1/2 6.282

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-148.718621
Energy at 298.15K 
HF Energy-148.718621
Nuclear repulsion energy59.446241
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 B1B95/6-31G*
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 3476 72.37      
2 A1 2404 2282 126.84      
3 A1 1644 1561 59.05      
4 A1 1157 1098 10.06      
5 B1 533 506 1.28      
6 B1 435i 413i 341.71      
7 B2 3777 3586 94.33      
8 B2 1146 1088 5.40      
9 B2 413 392 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7149.8 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 6787.3 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 B1B95/6-31G*
ABC
11.18153 0.34020 0.33015

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

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 1.383
N3 0.000 0.000 -1.107
H4 0.000 0.865 -1.619
H5 0.000 -0.865 -1.619

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16401.32612.03082.0308
N21.16402.49013.12353.1235
N31.32612.49011.00471.0047
H42.03083.12351.00471.7297
H52.03083.12351.00471.7297

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.592 C1 N3 H5 120.592
N2 C1 N3 180.000 H4 N3 H5 118.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.494      
2 N -0.440      
3 N -0.829      
4 H 0.387      
5 H 0.387      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.771 4.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.271 0.000 0.000
y 0.000 -14.382 0.000
z 0.000 0.000 -17.162
Traceless
 xyz
x -2.499 0.000 0.000
y 0.000 3.335 0.000
z 0.000 0.000 -0.836
Polar
3z2-r2-1.672
x2-y2-3.890
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.495 0.000 0.000
y 0.000 2.018 0.000
z 0.000 0.000 4.787


<r2> (average value of r2) Å2
<r2> 39.361
(<r2>)1/2 6.274