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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-264.582932
Energy at 298.15K-264.591020
Nuclear repulsion energy183.378332
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 mPW1PW91/6-311G**
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 3743 3581 34.76      
2 A 3692 3532 41.64      
3 A 3624 3467 21.57      
4 A 3152 3016 16.06      
5 A 3076 2943 39.95      
6 A 3025 2894 49.26      
7 A 1834 1755 498.44      
8 A 1638 1567 158.45      
9 A 1529 1463 58.81      
10 A 1499 1434 75.10      
11 A 1491 1427 18.13      
12 A 1466 1402 14.76      
13 A 1418 1356 114.74      
14 A 1218 1165 5.56      
15 A 1157 1107 15.17      
16 A 1148 1098 16.73      
17 A 1087 1039 29.23      
18 A 904 865 5.18      
19 A 791 757 50.98      
20 A 600 574 31.48      
21 A 557 533 75.24      
22 A 527 504 78.41      
23 A 481 460 24.95      
24 A 380 363 144.53      
25 A 278 266 3.91      
26 A 147 140 3.70      
27 A 97 93 4.69      

Unscaled Zero Point Vibrational Energy (zpe) 20277.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19399.6 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 mPW1PW91/6-311G**
ABC
0.33119 0.13998 0.10095

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.868 0.049 0.073
H2 -2.072 0.765 -0.731
H3 -2.686 -0.671 0.068
H4 -1.890 0.584 1.029
H5 -0.621 -1.656 -0.042
N6 -0.627 -0.656 -0.140
C7 0.625 -0.112 -0.017
H8 -0.078 1.797 -0.390
H9 1.582 1.642 -0.066
N10 0.656 1.266 0.047
O11 1.628 -0.794 0.055

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09571.08911.09522.11581.44312.50052.54503.80332.80313.5961
H21.09571.75351.77782.90542.11092.92472.27133.81662.88124.0908
H31.08911.75351.76992.29032.06863.35893.61964.85633.86314.3150
H41.09521.77781.76992.78852.12092.81162.60153.79132.81293.9013
H52.11582.90542.29032.78851.00471.98463.51293.96673.19092.4102
N61.44312.11092.06862.12091.00471.37142.52653.18932.31952.2676
C72.50052.92473.35892.81161.98461.37142.06801.99881.38021.2144
H82.54502.27133.61962.60153.51292.52652.06801.69841.00573.1334
H93.80333.81664.85633.79133.96673.18931.99881.69841.00562.4396
N102.80312.88123.86312.81293.19092.31951.38021.00571.00562.2778
O113.59614.09084.31503.90132.41022.26761.21443.13342.43962.2778

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 118.519 C1 N6 C7 125.331
H2 C1 H3 106.759 H2 C1 H4 108.476
H2 C1 N6 111.765 H3 C1 H4 108.244
H3 C1 N6 108.750 H4 C1 N6 112.624
H5 N6 C7 112.363 N6 C7 N10 114.908
N6 C7 O11 122.431 C7 N10 H8 119.338
C7 N10 H9 112.870 H8 N10 H9 115.212
N10 C7 O11 122.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.215      
2 H 0.122      
3 H 0.133      
4 H 0.139      
5 H 0.245      
6 N -0.461      
7 C 0.487      
8 H 0.218      
9 H 0.237      
10 N -0.491      
11 O -0.415      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.513 2.002 -0.600 4.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.167 5.279 -0.788
y 5.279 -26.069 -1.878
z -0.788 -1.878 -31.410
Traceless
 xyz
x -2.427 5.279 -0.788
y 5.279 5.219 -1.878
z -0.788 -1.878 -2.792
Polar
3z2-r2-5.584
x2-y2-5.098
xy5.279
xz-0.788
yz-1.878


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.192 -0.123 0.100
y -0.123 6.130 -0.054
z 0.100 -0.054 3.951


<r2> (average value of r2) Å2
<r2> 118.068
(<r2>)1/2 10.866